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-rw-r--r--libhb/common.h2
-rw-r--r--libhb/decavcodec.c1
-rw-r--r--libhb/enc_qsv.c3
-rw-r--r--libhb/fifo.c26
-rw-r--r--libhb/hb.c1
-rw-r--r--libhb/internal.h11
-rw-r--r--libhb/sync.c2816
-rw-r--r--libhb/vfr.c2
-rw-r--r--libhb/work.c7
9 files changed, 1657 insertions, 1212 deletions
diff --git a/libhb/common.h b/libhb/common.h
index 2dc1c9002..15f847095 100644
--- a/libhb/common.h
+++ b/libhb/common.h
@@ -1157,7 +1157,6 @@ struct hb_work_object_s
hb_work_private_t * private_data;
hb_thread_t * thread;
- int yield;
volatile int * done;
volatile int * die;
int status;
@@ -1172,6 +1171,7 @@ struct hb_work_object_s
extern hb_work_object_t hb_sync_video;
extern hb_work_object_t hb_sync_audio;
+extern hb_work_object_t hb_sync_subtitle;
extern hb_work_object_t hb_decvobsub;
extern hb_work_object_t hb_encvobsub;
extern hb_work_object_t hb_deccc608;
diff --git a/libhb/decavcodec.c b/libhb/decavcodec.c
index b21b19de4..c7ed9494b 100644
--- a/libhb/decavcodec.c
+++ b/libhb/decavcodec.c
@@ -918,6 +918,7 @@ static hb_buffer_t *copy_frame( hb_work_private_t *pv )
pv->qsv.config.io_pattern == MFX_IOPATTERN_OUT_OPAQUE_MEMORY)
{
buf->qsv_details.qsv_atom = pv->frame->data[2];
+ buf->qsv_details.ctx = pv->job->qsv.ctx;
return buf;
}
#endif
diff --git a/libhb/enc_qsv.c b/libhb/enc_qsv.c
index 360db65b5..87a180629 100644
--- a/libhb/enc_qsv.c
+++ b/libhb/enc_qsv.c
@@ -1966,6 +1966,9 @@ int encqsvWork(hb_work_object_t *w, hb_buffer_t **buf_in, hb_buffer_t **buf_out)
{
qsv_atom = in->qsv_details.qsv_atom;
surface = av_qsv_get_last_stage(qsv_atom)->out.p_surface;
+ // At this point, enc_qsv takes ownership of the QSV resources
+ // in the 'in' buffer.
+ in->qsv_details.qsv_atom = NULL;
/*
* QSV decoding fills the QSV context's dts_seq list, we need to
diff --git a/libhb/fifo.c b/libhb/fifo.c
index 634d0a336..62a34b8b3 100644
--- a/libhb/fifo.c
+++ b/libhb/fifo.c
@@ -9,6 +9,9 @@
#include "hb.h"
#include "openclwrapper.h"
+#ifdef USE_QSV
+#include "libavcodec/qsv.h"
+#endif
#ifndef SYS_DARWIN
#include <malloc.h>
@@ -676,6 +679,29 @@ void hb_buffer_close( hb_buffer_t ** _b )
while( b )
{
+#ifdef USE_QSV
+ // Reclaim QSV resources before dropping the buffer.
+ // when decoding without QSV, the QSV atom will be NULL.
+ if (b->qsv_details.qsv_atom != NULL && b->qsv_details.ctx != NULL)
+ {
+ av_qsv_stage *stage = av_qsv_get_last_stage(b->qsv_details.qsv_atom);
+ if (stage != NULL)
+ {
+ av_qsv_wait_on_sync(b->qsv_details.ctx, stage);
+ if (stage->out.sync->in_use > 0)
+ {
+ ff_qsv_atomic_dec(&stage->out.sync->in_use);
+ }
+ if (stage->out.p_surface->Data.Locked > 0)
+ {
+ ff_qsv_atomic_dec(&stage->out.p_surface->Data.Locked);
+ }
+ }
+ av_qsv_flush_stages(b->qsv_details.ctx->pipes,
+ &b->qsv_details.qsv_atom);
+ }
+#endif
+
hb_buffer_t * next = b->next;
hb_fifo_t *buffer_pool = size_to_pool( b->alloc );
diff --git a/libhb/hb.c b/libhb/hb.c
index 42ac83a9d..41347f613 100644
--- a/libhb/hb.c
+++ b/libhb/hb.c
@@ -1746,6 +1746,7 @@ int hb_global_init()
hb_register(&hb_reader);
hb_register(&hb_sync_video);
hb_register(&hb_sync_audio);
+ hb_register(&hb_sync_subtitle);
hb_register(&hb_decavcodecv);
hb_register(&hb_decavcodeca);
hb_register(&hb_declpcm);
diff --git a/libhb/internal.h b/libhb/internal.h
index 59510961a..8fe461dac 100644
--- a/libhb/internal.h
+++ b/libhb/internal.h
@@ -9,6 +9,9 @@
#include "hbffmpeg.h"
#include "extras/cl.h"
+#ifdef USE_QSV
+#include "libavcodec/qsv.h"
+#endif
/***********************************************************************
* Hardware Decode Context
@@ -145,11 +148,14 @@ struct hb_buffer_s
int size;
} plane[4]; // 3 Color components + alpha
+#ifdef USE_QSV
struct qsv
{
- void *qsv_atom;
- void *filter_details;
+ void * qsv_atom;
+ void * filter_details;
+ av_qsv_context * ctx;
} qsv_details;
+#endif
/* OpenCL */
struct cl_data
@@ -426,6 +432,7 @@ enum
WORK_NONE = 0,
WORK_SYNC_VIDEO,
WORK_SYNC_AUDIO,
+ WORK_SYNC_SUBTITLE,
WORK_DECCC608,
WORK_DECVOBSUB,
WORK_DECSRTSUB,
diff --git a/libhb/sync.c b/libhb/sync.c
index 5520603bb..9272d30d3 100644
--- a/libhb/sync.c
+++ b/libhb/sync.c
@@ -12,50 +12,29 @@
#include <stdio.h>
#include "samplerate.h"
-#ifdef INT64_MIN
-#undef INT64_MIN /* Because it isn't defined correctly in Zeta */
-#endif
-#define INT64_MIN (-9223372036854775807LL-1)
+#define SYNC_MAX_VIDEO_QUEUE_LEN 20
+#define SYNC_MIN_VIDEO_QUEUE_LEN 10
-typedef struct
-{
- /* Audio/Video sync thread synchronization */
- hb_lock_t * mutex;
- hb_cond_t * next_frame;
- int64_t volatile * last_pts;
- int pts_count;
+// Audio is small, buffer a lot. It helps to ensure that we see
+// the initial PTS from all input streams before setting the 'zero' point.
+#define SYNC_MAX_AUDIO_QUEUE_LEN 60
+#define SYNC_MIN_AUDIO_QUEUE_LEN 30
- /* PTS synchronization */
- int64_t audio_pts_slip;
- int64_t video_pts_slip;
- int64_t pts_offset;
+#define SYNC_MAX_SUBTITLE_QUEUE_LEN INT_MAX
+#define SYNC_MIN_SUBTITLE_QUEUE_LEN 0
- /* point-to-point support */
- int start_found;
- int count_frames;
-
- /* sync audio work objects */
- hb_list_t * list_work;
-} hb_sync_common_t;
+typedef enum
+{
+ SYNC_TYPE_VIDEO,
+ SYNC_TYPE_AUDIO,
+ SYNC_TYPE_SUBTITLE,
+} sync_type_t;
typedef struct
{
- int index;
- double next_start; /* start time of next output frame */
- int64_t first_drop; /* PTS of first 'went backwards' frame dropped */
- int drop_count; /* count of 'time went backwards' drops */
-
- /* Raw */
- SRC_STATE * state;
- SRC_DATA data;
-
- int silence_size;
- uint8_t * silence_buf;
-
- int drop_video_to_sync;
-
- double gain_factor;
-} hb_sync_audio_t;
+ int64_t pts;
+ int64_t delta;
+} sync_delta_t;
typedef struct
{
@@ -64,1320 +43,1770 @@ typedef struct
hb_buffer_list_t list_current;
} subtitle_sanitizer_t;
+typedef struct sync_common_s sync_common_t;
+
typedef struct
{
- /* Video */
- int first_frame;
- int64_t pts_skip;
- int64_t next_start; /* start time of next output frame */
- int64_t first_drop; /* PTS of first 'went backwards' frame dropped */
- int drop_count; /* count of 'time went backwards' drops */
- int drops; /* frames dropped to make a cbr video stream */
- int dups; /* frames duplicated to make a cbr video stream */
- int video_sequence;
- int count_frames_max;
- int chap_mark; /* to propagate chapter mark across a drop */
- hb_buffer_t * cur; /* The next picture to process */
-
- subtitle_sanitizer_t *subtitle_sanitizer;
-
- /* Statistics */
+ sync_common_t * common;
+
+ // Stream I/O control
+ hb_list_t * in_queue;
+ int max_len;
+ int min_len;
+ hb_cond_t * cond_full;
+ hb_buffer_list_t out_queue;
+ int eof;
+
+ // PTS synchronization
+ hb_list_t * delta_list;
+ int64_t pts_slip;
+ double next_pts;
+
+ // frame statistics
+ int64_t first_pts;
+ int64_t min_frame_duration;
+ int64_t max_frame_duration;
+ int64_t current_duration;
+ int frame_count;
+
+ // Error reporting stats
+ int64_t drop_duration;
+ int drop;
+ int64_t drop_pts;
+ int64_t gap_duration;
+ int64_t gap_pts;
+
+ int first_frame;
+
+ // stream type specific context
+ sync_type_t type;
+ union
+ {
+ struct
+ {
+ double dejitter_pts;
+ } video;
+
+ // Audio stream context
+ struct
+ {
+ hb_audio_t * audio;
+
+ // Audio filter settings
+ // Samplerate conversion
+ struct
+ {
+ SRC_STATE * ctx;
+ SRC_DATA pkt;
+ } src;
+ double gain_factor;
+ } audio;
+
+ // Subtitle stream context
+ struct
+ {
+ hb_subtitle_t * subtitle;
+ subtitle_sanitizer_t sanitizer;
+ } subtitle;
+ };
+} sync_stream_t;
+
+struct sync_common_s
+{
+ /* Audio/Video sync thread synchronization */
+ hb_job_t * job;
+ hb_lock_t * mutex;
+ int stream_count;
+ sync_stream_t * streams;
+ int found_first_pts;
+ int done;
+
+ // point-to-point support
+ int start_found;
+
+ // sync audio work objects
+ hb_list_t * list_work;
+
+ // UpdateState Statistics
+ int est_frame_count;
uint64_t st_counts[4];
uint64_t st_dates[4];
uint64_t st_first;
-} hb_sync_video_t;
+};
struct hb_work_private_s
{
- hb_job_t * job;
- hb_sync_common_t * common;
- union
- {
- hb_sync_video_t video;
- hb_sync_audio_t audio;
- } type;
+ sync_common_t * common;
+ sync_stream_t * stream;
};
/***********************************************************************
* Local prototypes
**********************************************************************/
-static void setSyncPTS(hb_work_private_t * pv, int64_t pts, int index);
-static void getPtsOffset( hb_work_private_t * pv );
-static void InitAudio( hb_job_t * job, hb_sync_common_t * common, int i );
-static void InitSubtitle( hb_job_t * job, hb_sync_video_t * sync, int i );
-static void InsertSilence( hb_work_object_t * w, int64_t d );
-static void UpdateState( hb_work_object_t * w );
-static void UpdateSearchState( hb_work_object_t * w, int64_t start );
-static hb_buffer_t * OutputAudioFrame( hb_audio_t *audio, hb_buffer_t *buf,
- hb_sync_audio_t *sync );
+static void UpdateState( sync_common_t * common, int frame_count );
+static void UpdateSearchState( sync_common_t * common, int64_t start,
+ int frame_count );
+static hb_buffer_t * FilterAudioFrame( sync_stream_t * stream,
+ hb_buffer_t *buf );
-/***********************************************************************
- * hb_work_sync_init
- ***********************************************************************
- * Initialize the work object
- **********************************************************************/
-int syncVideoInit( hb_work_object_t * w, hb_job_t * job)
+static int fillQueues( sync_common_t * common )
{
- hb_title_t * title = job->title;
- hb_chapter_t * chapter;
- int i;
- uint64_t duration;
- hb_work_private_t * pv;
- hb_sync_video_t * sync;
+ int ii, wait = 0, abort = 0;
- pv = calloc( 1, sizeof( hb_work_private_t ) );
- sync = &pv->type.video;
- pv->common = calloc( 1, sizeof( hb_sync_common_t ) );
- pv->common->list_work = hb_list_init();
- pv->common->mutex = hb_lock_init();
- pv->common->next_frame = hb_cond_init();
- pv->common->pts_count = 1;
- if (job->frame_to_start || job->pts_to_start)
- {
- pv->common->start_found = 0;
- }
- else
+ for (ii = 0; ii < common->stream_count; ii++)
{
- pv->common->start_found = 1;
- }
+ sync_stream_t *stream = &common->streams[ii];
- w->private_data = pv;
- w->fifo_in = job->fifo_raw;
- // Register condition with fifo to wake us up immediately if
- // the fifo becomes full
- hb_fifo_register_full_cond(w->fifo_in, pv->common->next_frame);
-
- // When doing subtitle indepth scan, the pipeline ends at sync
- if ( !job->indepth_scan )
- w->fifo_out = job->fifo_sync;
- else
- w->fifo_out = NULL;
-
- pv->job = job;
- pv->common->pts_offset = INT64_MIN;
- sync->first_frame = 1;
-
- if( job->pass_id == HB_PASS_ENCODE_2ND )
- {
- /* We already have an accurate frame count from pass 1 */
- hb_interjob_t * interjob = hb_interjob_get( job->h );
- sync->count_frames_max = interjob->frame_count;
- }
- else
- {
- /* Calculate how many video frames we are expecting */
- if ( job->pts_to_stop )
+ // Don't let the queues grow indefinitely
+ // abort when too large
+ if (hb_list_count(stream->in_queue) > stream->max_len)
{
- duration = job->pts_to_stop + 90000;
+ abort = 1;
}
- else if( job->frame_to_stop )
- {
- /* Set the duration to a rough estimate */
- duration = (int64_t)(job->frame_to_stop + 1) *
- title->vrate.den * 90000 / title->vrate.num;
- }
- else
- {
- duration = 0;
- for( i = job->chapter_start; i <= job->chapter_end; i++ )
- {
- chapter = hb_list_item( job->list_chapter, i - 1 );
- duration += chapter->duration;
- }
- }
- sync->count_frames_max = duration * title->vrate.num / title->vrate.den / 90000;
- }
-
- hb_log( "sync: expecting %d video frames", sync->count_frames_max );
-
- /* Initialize libsamplerate for every audio track we have */
- if ( ! job->indepth_scan )
- {
- for( i = 0; i < hb_list_count( job->list_audio ); i++ )
+ if (hb_list_count(stream->in_queue) < stream->min_len)
{
- InitAudio( job, pv->common, i );
+ wait = 1;
}
}
- pv->common->last_pts = malloc( sizeof(int64_t) * pv->common->pts_count );
- for ( i = 0; i < pv->common->pts_count; i++ )
- {
- pv->common->last_pts[i] = AV_NOPTS_VALUE;
- }
-
- int count = hb_list_count(job->list_subtitle);
- sync->subtitle_sanitizer = calloc(count, sizeof(subtitle_sanitizer_t));
- for( i = 0; i < count; i++ )
- {
- InitSubtitle(job, sync, i);
- }
-
- /* Launch audio processing threads */
- for (i = 0; i < hb_list_count(pv->common->list_work); i++)
- {
- hb_work_object_t * audio_work;
- audio_work = hb_list_item(pv->common->list_work, i);
- audio_work->done = w->done;
- audio_work->thread = hb_thread_init(audio_work->name, hb_work_loop,
- audio_work, HB_LOW_PRIORITY);
- }
- return 0;
+ return !wait || abort;
}
-static void InitSubtitle( hb_job_t * job, hb_sync_video_t * sync, int ii )
+static void signalBuffer( sync_stream_t * stream )
{
- hb_subtitle_t * subtitle;
-
- subtitle = hb_list_item( job->list_subtitle, ii );
- if (subtitle->format == TEXTSUB &&
- subtitle->config.dest == PASSTHRUSUB &&
- (job->mux & HB_MUX_MASK_MP4))
- {
- // Merge overlapping subtitles since mpv tx3g does not support them
- sync->subtitle_sanitizer[ii].merge = 1;
- }
- // PGS subtitles don't need to be linked because there are explicit
- // "clear" subtitle packets that indicate the end time of the
- // previous subtitle
- if (subtitle->config.dest == PASSTHRUSUB &&
- subtitle->source != PGSSUB)
+ if (hb_list_count(stream->in_queue) < stream->max_len)
{
- // Fill in stop time when it is missing
- sync->subtitle_sanitizer[ii].link = 1;
+ hb_cond_signal(stream->cond_full);
}
- hb_buffer_list_clear(&sync->subtitle_sanitizer[ii].list_current);
-}
-
-static void CloseSubtitle(hb_sync_video_t * sync, int ii)
-{
- hb_buffer_list_close(&sync->subtitle_sanitizer[ii].list_current);
}
-/***********************************************************************
- * Close Video
- ***********************************************************************
- *
- **********************************************************************/
-void syncVideoClose( hb_work_object_t * w )
+static void allSlip( sync_common_t * common, int64_t delta )
{
- hb_work_private_t * pv = w->private_data;
- hb_job_t * job = pv->job;
- hb_sync_video_t * sync = &pv->type.video;
int ii;
-
- // Wake up audio sync if it's still waiting on condition.
- pv->common->pts_offset = 0;
- pv->common->start_found = 1;
- // Unblock anybody waiting on this threads last PTS
- setSyncPTS(pv, INT64_MAX, 0);
-
- if( sync->cur )
+ for (ii = 0; ii < common->stream_count; ii++)
{
- hb_buffer_close( &sync->cur );
+ common->streams[ii].pts_slip += delta;
+ if (common->streams[ii].next_pts != AV_NOPTS_VALUE)
+ {
+ common->streams[ii].next_pts -= delta;
+ }
}
+}
- hb_log( "sync: got %d frames, %d expected",
- pv->common->count_frames, sync->count_frames_max );
+static void shiftTS( sync_common_t * common, int64_t delta )
+{
+ int ii, jj;
- /* save data for second pass */
- if( job->pass_id == HB_PASS_ENCODE_1ST )
+ allSlip(common, delta);
+ for (ii = 0; ii < common->stream_count; ii++)
{
- /* Preserve frame count for better accuracy in pass 2 */
- hb_interjob_t * interjob = hb_interjob_get( job->h );
- interjob->frame_count = pv->common->count_frames;
+ sync_stream_t * stream = &common->streams[ii];
+ int count = hb_list_count(stream->in_queue);
+ for (jj = 0; jj < count; jj++)
+ {
+ hb_buffer_t * buf = hb_list_item(stream->in_queue, jj);
+ buf->s.start -= delta;
+ if (buf->s.stop != AV_NOPTS_VALUE)
+ {
+ buf->s.stop -= delta;
+ }
+ }
}
+}
- if (sync->drops || sync->dups )
- {
- hb_log( "sync: %d frames dropped, %d duplicated",
- sync->drops, sync->dups );
- }
+static void checkFirstPts( sync_common_t * common )
+{
+ int ii;
+ int64_t first_pts = INT64_MAX;
- int count = hb_list_count(job->list_subtitle);
- for( ii = 0; ii < count; ii++ )
+ for (ii = 0; ii < common->stream_count; ii++)
{
- CloseSubtitle(sync, ii);
- }
- free(sync->subtitle_sanitizer);
+ sync_stream_t *stream = &common->streams[ii];
+ if (stream->type == SYNC_TYPE_SUBTITLE)
+ {
+ // only wait for audio and video
+ continue;
+ }
- // Close audio work threads
- hb_work_object_t * audio_work;
- while ((audio_work = hb_list_item(pv->common->list_work, 0)))
- {
- hb_list_rem(pv->common->list_work, audio_work);
- if (audio_work->thread != NULL)
+ // If buffers are queued, find the lowest initial PTS
+ if (hb_list_count(stream->in_queue) > 0)
{
- hb_thread_close(&audio_work->thread);
+ hb_buffer_t * buf = hb_list_item(stream->in_queue, 0);
+ if (first_pts > buf->s.start)
+ {
+ first_pts = buf->s.start;
+ }
}
- audio_work->close(audio_work);
- free(audio_work);
}
- hb_list_close(&pv->common->list_work);
-
- hb_cond_close( &pv->common->next_frame );
- hb_lock_close( &pv->common->mutex );
- free((void*)pv->common->last_pts);
- free(pv->common);
- free( pv );
- w->private_data = NULL;
+ if (first_pts != INT64_MAX)
+ {
+ // Add a fudge factor to first pts to prevent negative
+ // timestamps from leaking through. The pipeline can
+ // handle a positive offset, but some things choke on
+ // negative offsets
+ //first_pts -= 500000;
+ shiftTS(common, first_pts);
+ }
+ common->found_first_pts = 1;
}
-static hb_buffer_t * merge_ssa(hb_buffer_t *a, hb_buffer_t *b)
+static void addDelta( sync_common_t * common, int64_t start, int64_t delta)
{
- int len, ii;
- char *text;
- hb_buffer_t *buf = hb_buffer_init(a->size + b->size);
- buf->s = a->s;
+ int ii;
- // Find the text in the second SSA sub
- text = (char*)b->data;
- for (ii = 0; ii < 8; ii++)
- {
- text = strchr(text, ',');
- if (text == NULL)
- break;
- text++;
- }
- if (text != NULL)
+ for (ii = 0; ii < common->stream_count; ii++)
{
- len = sprintf((char*)buf->data, "%s\n%s", a->data, text);
- if (len >= 0)
- buf->size = len + 1;
+ sync_delta_t * delta_item = malloc(sizeof(sync_delta_t));
+ delta_item->pts = start;
+ delta_item->delta = delta;
+ hb_list_add(common->streams[ii].delta_list, delta_item);
}
- else
- {
- memcpy(buf->data, a->data, a->size);
- buf->size = a->size;
- }
-
- return buf;
}
-static hb_buffer_t * mergeSubtitles(subtitle_sanitizer_t *sanitizer, int end)
+static void applyDeltas( sync_common_t * common )
{
- hb_buffer_t *a, *b, *buf;
- hb_buffer_list_t list;
+ int ii;
- hb_buffer_list_clear(&list);
-
- do
+ // Apply delta to any applicable buffers in the queue
+ for (ii = 0; ii < common->stream_count; ii++)
{
- a = hb_buffer_list_head(&sanitizer->list_current);
- if (a == NULL)
- {
- break;
- }
- b = a->next;
+ sync_stream_t * stream = &common->streams[ii];
- buf = NULL;
- if (b == NULL && end)
- {
- buf = hb_buffer_list_rem_head(&sanitizer->list_current);
- }
- else if (a->s.stop != AV_NOPTS_VALUE)
+ // Make adjustments for deltas found in other streams
+ sync_delta_t * delta = hb_list_item(stream->delta_list, 0);
+ if (delta != NULL)
{
- if (!sanitizer->merge)
- {
- buf = hb_buffer_list_rem_head(&sanitizer->list_current);
- }
- else if (b != NULL && a->s.stop > b->s.start)
+ int jj, index = -1;
+ int64_t prev_start, max = 0;
+ hb_buffer_t * buf;
+
+ prev_start = stream->next_pts;
+ for (jj = 0; jj < hb_list_count(stream->in_queue); jj++)
{
- // Overlap
- if (ABS(a->s.start - b->s.start) <= 18000)
+ buf = hb_list_item(stream->in_queue, jj);
+ if (stream->type == SYNC_TYPE_SUBTITLE)
{
- if (b->s.stop == AV_NOPTS_VALUE && !end)
+ if (buf->s.start > delta->pts)
{
- // To evaluate overlaps, we need the stop times
- // for a and b
+ // absorb gaps in subtitles as soon as possible
+ index = jj;
break;
}
- a = hb_buffer_list_rem_head(&sanitizer->list_current);
-
- // subtitles start within 1/5 second of eachother, merge
- if (a->s.stop > b->s.stop && b->s.stop != AV_NOPTS_VALUE)
+ }
+ else if (buf->s.start > delta->pts)
+ {
+ // absorb gap in largest gap found in this stream.
+ if (buf->s.start - prev_start > max)
{
- // a continues after b, reorder the list and swap
- b = a;
- a = hb_buffer_list_rem_head(&sanitizer->list_current);
- hb_buffer_list_prepend(&sanitizer->list_current, b);
+ max = buf->s.start - prev_start;
+ index = jj;
}
+ if (stream->type == SYNC_TYPE_AUDIO && max >= delta->delta)
+ {
+ // absorb gaps in audio as soon as possible
+ // when there is a gap that will absorb it.
+ break;
+ }
+ }
+ prev_start = buf->s.start;
+ }
- b->s.start = a->s.stop;
-
- buf = merge_ssa(a, b);
- hb_buffer_close(&a);
- a = buf;
-
- if (b->s.stop != AV_NOPTS_VALUE &&
- ABS(b->s.stop - b->s.start) <= 18000)
+ if (index >= 0)
+ {
+ for (jj = index; jj < hb_list_count(stream->in_queue); jj++)
+ {
+ buf = hb_list_item(stream->in_queue, jj);
+ buf->s.start -= delta->delta;
+ if (buf->s.stop != AV_NOPTS_VALUE)
{
- // b and a completely overlap, remove b
- b = hb_buffer_list_rem_head(&sanitizer->list_current);
- hb_buffer_close(&b);
+ buf->s.stop -= delta->delta;
}
}
- else
+ // Correct the duration of the video buffer before
+ // the affected timestamp correction.
+ if (stream->type == SYNC_TYPE_VIDEO && index > 0)
{
- // a starts before b, output copy of a and update a start
- buf = hb_buffer_dup(a);
- buf->s.stop = b->s.start;
- a->s.start = b->s.start;
+ buf = hb_list_item(stream->in_queue, index - 1);
+ if (buf->s.duration > delta->delta)
+ {
+ buf->s.duration -= delta->delta;
+ buf->s.stop -= delta->delta;
+ }
+ else
+ {
+ buf->s.duration = 0;
+ buf->s.stop = buf->s.start;
+ }
}
- }
- else if (b != NULL && a->s.stop <= b->s.start)
- {
- // a starts and ends before b
- buf = hb_buffer_list_rem_head(&sanitizer->list_current);
+ stream->pts_slip += delta->delta;
+ hb_list_rem(stream->delta_list, delta);
+ free(delta);
}
}
+ }
+}
- if (buf != NULL)
- {
- if (buf->s.stop != AV_NOPTS_VALUE)
- buf->s.duration = buf->s.stop - buf->s.start;
- else
- buf->s.duration = AV_NOPTS_VALUE;
- hb_buffer_list_append(&list, buf);
- }
- } while (hb_buffer_list_count(&sanitizer->list_current) >= 2 || end);
+static void removeVideoJitter( sync_stream_t * stream, int stop )
+{
+ int ii;
+ hb_buffer_t * buf;
+ double frame_duration, next_pts;
- return hb_buffer_list_clear(&list);
+ frame_duration = 90000. * stream->common->job->title->vrate.den /
+ stream->common->job->title->vrate.num;
+
+ buf = hb_list_item(stream->in_queue, 0);
+ buf->s.start = stream->next_pts;
+ next_pts = stream->next_pts + frame_duration;
+ for (ii = 1; ii <= stop; ii++)
+ {
+ buf->s.duration = frame_duration;
+ buf->s.stop = next_pts;
+ buf = hb_list_item(stream->in_queue, ii);
+ buf->s.start = next_pts;
+ next_pts += frame_duration;
+ }
}
-static hb_buffer_t * sanitizeSubtitle(
- hb_work_private_t * pv,
- int i,
- hb_buffer_t * sub)
+// Look for a sequence of packets whose duration as measure by
+// vrate closely matches the duration as measured by timestamp
+// differences. When close matches are found, smooth the timestamps.
+//
+// Most often, video dejitter is applied when there is jitter due to
+// soft telecine. I also have a couple sample files that have very
+// bad video jitter that this corrects.
+static void dejitterVideo( sync_stream_t * stream )
{
- hb_sync_video_t * sync;
- subtitle_sanitizer_t * sanitizer;
+ int ii, count, jitter_stop;
+ double frame_duration, duration;
+ hb_buffer_t * buf;
- sync = &pv->type.video;
- sanitizer = &sync->subtitle_sanitizer[i];
+ count = hb_list_count(stream->in_queue);
+ if (count < 2)
+ {
+ return;
+ }
- if (!sanitizer->link && !sanitizer->merge)
+ frame_duration = 90000. * stream->common->job->title->vrate.den /
+ stream->common->job->title->vrate.num;
+
+ // Look for start of jittered sequence
+ buf = hb_list_item(stream->in_queue, 1);
+ duration = buf->s.start - stream->next_pts;
+ if (ABS(duration - frame_duration) < 1.1)
{
- if (sub != NULL)
+ // Ignore small jitter
+ return;
+ }
+
+ // Look for end of jittered sequence
+ jitter_stop = 0;
+ for (ii = 1; ii < count; ii++)
+ {
+ buf = hb_list_item(stream->in_queue, ii);
+ duration = buf->s.start - stream->next_pts;
+
+ // Only dejitter video that aligns periodically
+ // with the frame durations.
+ if (ABS(duration - ii * frame_duration) < 0.1)
{
- if (sub->s.stop != AV_NOPTS_VALUE)
- sub->s.duration = sub->s.stop - sub->s.start;
- else
- sub->s.duration = 0;
- sub->s.start -= pv->common->video_pts_slip;
- if (sub->s.stop != AV_NOPTS_VALUE)
- sub->s.stop -= pv->common->video_pts_slip;
- if (sub->s.renderOffset != AV_NOPTS_VALUE)
- sub->s.renderOffset -= pv->common->video_pts_slip;
+ jitter_stop = ii;
}
- return sub;
}
- if (sub == NULL)
+ if (jitter_stop > 0)
{
- return mergeSubtitles(sanitizer, 1);
+ removeVideoJitter(stream, jitter_stop);
}
+}
- sub->s.start -= pv->common->video_pts_slip;
- if (sub->s.stop != AV_NOPTS_VALUE)
- sub->s.stop -= pv->common->video_pts_slip;
- if (sub->s.renderOffset != AV_NOPTS_VALUE)
- sub->s.renderOffset -= pv->common->video_pts_slip;
+// Fix video overlaps that could not be corrected by dejitter
+static void fixVideoOverlap( sync_stream_t * stream )
+{
+ int drop = 0, new_chap = 0;
+ int64_t overlap;
+ hb_buffer_t * buf;
- hb_buffer_t *last = hb_buffer_list_tail(&sanitizer->list_current);
- if (last != NULL && last->s.stop == AV_NOPTS_VALUE)
+ if (!stream->first_frame)
{
- last->s.stop = sub->s.start;
+ // There are no overlaps if we haven't seen the first frame yet.
+ return;
}
- if (sub->s.start == sub->s.stop)
+ // If time goes backwards drop the frame.
+ // Check if subsequent buffers also overlap.
+ while ((buf = hb_list_item(stream->in_queue, 0)) != NULL)
{
- // Used to indicate "clear" subtitles when the duration
- // of subtitles is not encoded in the stream
- hb_buffer_close(&sub);
+ // For video, an overlap is where the entire frame is
+ // in the past.
+ overlap = stream->next_pts - buf->s.stop;
+ if (overlap >= 0)
+ {
+ if (stream->drop == 0)
+ {
+ stream->drop_pts = buf->s.start;
+ }
+ // Preserve chapter marks
+ if (buf->s.new_chap > 0)
+ {
+ new_chap = buf->s.new_chap;
+ }
+ hb_list_rem(stream->in_queue, buf);
+ signalBuffer(stream);
+ stream->drop_duration += buf->s.duration;
+ stream->drop++;
+ drop++;
+ hb_buffer_close(&buf);
+ }
+ else
+ {
+ if (new_chap > 0)
+ {
+ buf->s.new_chap = new_chap;
+ }
+ break;
+ }
}
- hb_buffer_list_append(&sanitizer->list_current, sub);
- return mergeSubtitles(sanitizer, 0);
+ if (drop <= 0 && stream->drop > 0)
+ {
+ hb_log("sync: video time went backwards %d ms, dropped %d frames. "
+ "PTS %"PRId64"",
+ (int)stream->drop_duration / 90, stream->drop, stream->drop_pts);
+ stream->drop_duration = 0;
+ stream->drop = 0;
+ }
}
-static void setSyncPTS(hb_work_private_t * pv, int64_t pts, int index)
+static void removeAudioJitter(sync_stream_t * stream, int stop)
{
- hb_lock(pv->common->mutex);
- pv->common->last_pts[index] = pts;
- hb_unlock(pv->common->mutex);
- hb_cond_broadcast(pv->common->next_frame);
+ int ii;
+ hb_buffer_t * buf;
+ double next_pts;
+
+ // If duration of sum of packet durations is close to duration
+ // as measured by timestamps, align timestamps to packet durations.
+ // The packet durations are computed based on samplerate and
+ // number of samples and are therefore a reliable measure
+ // of the actual duration of an audio frame.
+ buf = hb_list_item(stream->in_queue, 0);
+ buf->s.start = stream->next_pts;
+ next_pts = stream->next_pts + buf->s.duration;
+ for (ii = 1; ii <= stop; ii++)
+ {
+ // Duration can be fractional, so track fractional PTS
+ buf->s.stop = next_pts;
+ buf = hb_list_item(stream->in_queue, ii);
+ buf->s.start = next_pts;
+ next_pts += buf->s.duration;
+ }
}
-static void resetSync(hb_work_private_t * pv)
+// Look for a sequence of packets whose duration as measure by packet
+// durations closely matches the duration as measured by timestamp
+// differences. When close matches are found, smooth the timestamps.
+//
+// This fixes issues where there are false overlaps and gaps in audio
+// timestamps. libav creates this type of problem sometimes with it's
+// timestamp guessing code.
+static void dejitterAudio( sync_stream_t * stream )
{
- int ii;
+ int ii, count, jitter_stop;
+ double duration;
+ hb_buffer_t * buf, * buf0, * buf1;
- hb_lock(pv->common->mutex);
- for (ii = 0; ii < pv->common->pts_count; ii++)
+ count = hb_list_count(stream->in_queue);
+ if (count < 4)
{
- // Unblock any sync thread that are waiting for a PTS
- pv->common->last_pts[ii] = INT64_MAX;
+ return;
}
- hb_unlock(pv->common->mutex);
- hb_cond_broadcast(pv->common->next_frame);
- hb_yield();
-}
-
-// Keeps sync tasks "in sync". I.e. the lowest pts will always be
-// output first.
-static int waitForSync(hb_work_object_t * w, int64_t pts, int index,
- hb_fifo_t *fifo)
-{
- hb_work_private_t * pv = w->private_data;
- setSyncPTS(pv, pts, index);
+ // Look for start of jitter sequence
+ jitter_stop = 0;
+ buf0 = hb_list_item(stream->in_queue, 0);
+ buf1 = hb_list_item(stream->in_queue, 1);
+ if (ABS(buf0->s.duration - (buf1->s.start - stream->next_pts)) < 1.1)
+ {
+ // Ignore very small jitter
+ return;
+ }
+ buf = hb_list_item(stream->in_queue, 0);
+ duration = buf->s.duration;
- int ii;
- hb_lock(pv->common->mutex);
- for (ii = 0; ii < pv->common->pts_count; ii++)
+ // Look for end of jitter sequence
+ for (ii = 1; ii < count; ii++)
{
- while (pts > pv->common->last_pts[ii])
+ buf = hb_list_item(stream->in_queue, ii);
+ if (ABS(duration - (buf->s.start - stream->next_pts)) < (90 * 40))
{
- // wait for other streams to catch up
- // since fifos can become full and clog up the works,
- // check if our fifo is full when waking.
- // Also check if encoding was canceled.
- hb_cond_timedwait(pv->common->next_frame, pv->common->mutex, 200);
- if (*w->done ||
- (pts > pv->common->last_pts[ii] && hb_fifo_is_full(fifo)))
- {
- hb_unlock(pv->common->mutex);
- getPtsOffset(pv);
- return 0;
- }
+ // Finds the largest span that has low jitter
+ jitter_stop = ii;
}
+ duration += buf->s.duration;
+ }
+ if (jitter_stop >= 4)
+ {
+ removeAudioJitter(stream, jitter_stop);
}
- hb_unlock(pv->common->mutex);
- getPtsOffset(pv);
- return 1;
}
-static void flushSubtitles(hb_work_private_t *pv)
+// Fix audio gaps that could not be corrected with dejitter
+static void fixAudioGap( sync_stream_t * stream )
{
- hb_job_t * job = pv->job;
- hb_subtitle_t * subtitle;
- int ii;
+ int64_t gap;
+ hb_buffer_t * buf;
- /*
- * Push through any subtitle EOFs in case they were not synced through.
- */
- for (ii = 0; ii < hb_list_count(job->list_subtitle); ii++)
+ if (hb_list_count(stream->in_queue) < 1 || !stream->first_frame)
{
- subtitle = hb_list_item(job->list_subtitle, ii);
- // flush out any pending subtitle buffers in the sanitizer
- hb_buffer_t *out = sanitizeSubtitle(pv, ii, NULL);
- if (out != NULL)
+ // Can't find gaps with < 1 buffers
+ return;
+ }
+
+ buf = hb_list_item(stream->in_queue, 0);
+ gap = buf->s.start - stream->next_pts;
+
+ // there's a gap of more than a minute between the last
+ // frame and this. assume we got a corrupted timestamp
+ if (gap > 90 * 20 && gap < 90000LL * 60)
+ {
+ if (stream->gap_duration <= 0)
{
- hb_fifo_push(subtitle->fifo_out, out);
+ stream->gap_pts = buf->s.start;
}
- if (subtitle->config.dest == PASSTHRUSUB)
+ addDelta(stream->common, stream->next_pts, gap);
+ applyDeltas(stream->common);
+ stream->gap_duration += gap;
+ }
+ else
+ {
+ // If not fixing the gap, carry to the next frame
+ // so they do not accumulate. Do not carry negative gaps.
+ // Those are overlaps and are handled by fixAudioOverlap.
+ if (gap >= 90000LL * 60)
{
- hb_fifo_push(subtitle->fifo_out, hb_buffer_eof_init());
+ // Fix "corrupted" timestamp
+ buf->s.start = stream->next_pts;
+ }
+ if (stream->gap_duration > 0)
+ {
+ hb_deep_log(3, "sync: audio 0x%x time gap %d ms. PTS %"PRId64"",
+ stream->audio.audio->id, (int)stream->gap_duration / 90,
+ stream->gap_pts);
+ stream->gap_duration = 0;
}
}
}
-/***********************************************************************
- * syncVideoWork
- ***********************************************************************
- *
- **********************************************************************/
-int syncVideoWork( hb_work_object_t * w, hb_buffer_t ** buf_in,
- hb_buffer_t ** buf_out )
+// Fix audio overlaps that could not be corrected with dejitter
+static void fixAudioOverlap( sync_stream_t * stream )
{
- hb_buffer_t * cur, * next, * sub = NULL;
- hb_work_private_t * pv = w->private_data;
- hb_job_t * job = pv->job;
- hb_subtitle_t * subtitle;
- hb_sync_video_t * sync = &pv->type.video;
- int i;
- int64_t next_start;
+ int drop = 0;
+ int64_t overlap;
+ hb_buffer_t * buf;
- next = *buf_in;
- *buf_in = NULL;
+ if (!stream->first_frame)
+ {
+ // There are no overlaps if we haven't seen the first frame yet.
+ return;
+ }
- if (next->s.flags & HB_BUF_FLAG_EOF)
+ // If time goes backwards drop the frame.
+ // Check if subsequent buffers also overlap.
+ while ((buf = hb_list_item(stream->in_queue, 0)) != NULL)
{
- if (sync->cur != NULL)
+ overlap = stream->next_pts - buf->s.start;
+ if (overlap > 90 * 20)
{
- cur = sync->cur;
- cur->s.start = sync->next_start;
- cur->s.stop = cur->s.start + 90000LL *
- job->vrate.den / job->vrate.num;
-
- /* Make sure last frame is reflected in frame count */
- pv->common->count_frames++;
-
- /* Push the frame to the renderer */
- *buf_out = cur;
- sync->cur = NULL;
-
- /* we got an end-of-stream. Feed it downstream & signal that
- * we're done. Note that this means we drop the final frame of
- * video (we don't know its duration). On DVDs the final frame
- * is often strange and dropping it seems to be a good idea. */
- (*buf_out)->next = next;
+ if (stream->drop == 0)
+ {
+ stream->drop_pts = buf->s.start;
+ }
+ // This is likely to generate a gap in audio timestamps
+ // This will be subsequently handled by the call to
+ // fix AudioGap in Synchronize(). Small gaps will be handled
+ // by just shifting the timestamps and carrying the gap
+ // along.
+ hb_list_rem(stream->in_queue, buf);
+ signalBuffer(stream);
+ stream->drop_duration += buf->s.duration;
+ stream->drop++;
+ drop++;
+ hb_buffer_close(&buf);
}
else
{
- *buf_out = next;
- }
- flushSubtitles(pv);
- pv->common->start_found = 1;
- // Unblock anybody waiting on this threads last PTS
- setSyncPTS(pv, INT64_MAX, 0);
- if (job->indepth_scan)
- {
- // During subtitle scan, sync is the end of the pipeline.
- // Terminate job when EOF reached.
- *w->done = 1;
+ break;
}
- return HB_WORK_DONE;
}
- next_start = next->s.start - pv->common->video_pts_slip;
- if (pv->common->pts_offset == INT64_MIN || !pv->common->start_found ||
- job->frame_to_stop > 0)
+ if (drop <= 0 && stream->drop > 0)
{
- waitForSync(w, next_start, 0, w->fifo_in);
- // video_pts_slip may change in during waitForSync
- next_start = next->s.start - pv->common->video_pts_slip;
+ hb_log("sync: audio 0x%x time went backwards %d ms, dropped %d frames. "
+ "PTS %"PRId64"",
+ stream->audio.audio->id, (int)stream->drop_duration / 90,
+ stream->drop, stream->drop_pts);
+ stream->drop_duration = 0;
+ stream->drop = 0;
}
- else
+}
+
+static void fixStreamTimestamps( sync_stream_t * stream )
+{
+ // Fix gaps and overlaps in queue
+ if (stream->type == SYNC_TYPE_AUDIO)
{
- setSyncPTS(pv, next_start, 0);
+ dejitterAudio(stream);
+ fixAudioOverlap(stream);
+ fixAudioGap(stream);
}
+ else if (stream->type == SYNC_TYPE_VIDEO)
+ {
+ dejitterVideo(stream);
+ fixVideoOverlap(stream);
+ }
+}
+
+static void sendEof( sync_common_t * common )
+{
+ int ii;
- /* Wait for start of point-to-point encoding */
- if (!pv->common->start_found)
+ for (ii = 0; ii < common->stream_count; ii++)
{
- if (pv->common->count_frames < job->frame_to_start ||
- next->s.start < job->pts_to_start)
+ hb_buffer_list_append(&common->streams[ii].out_queue,
+ hb_buffer_eof_init());
+ }
+}
+
+static void streamFlush( sync_stream_t * stream )
+{
+ while (hb_list_count(stream->in_queue) > 0)
+ {
+ fixStreamTimestamps(stream);
+ hb_buffer_t * buf = hb_list_item(stream->in_queue, 0);
+ if (buf != NULL)
{
- UpdateSearchState( w, next_start );
+ hb_list_rem(stream->in_queue, buf);
+ if ((buf->s.start < 0) ||
+ (stream->type == SYNC_TYPE_VIDEO && buf->s.duration < 256))
+ {
+ // The pipeline can't handle negative timestamps
+ // and it is sometimes not possible to avoid one
+ // at the start of the video. There can be a
+ // significant delay before we see the first buffers
+ // from all streams. We can't buffer indefinitely
+ // until we have seen the first PTS for all streams
+ // so sometimes we may start before we have seen
+ // the earliest PTS
+ //
+ // Also, encx264.c can't handle timestamps that are spaced
+ // less than 256 ticks apart.
+ hb_buffer_close(&buf);
+ continue;
+ }
- // Flush any subtitles that have pts prior to the
- // current frame
- for( i = 0; i < hb_list_count( job->list_subtitle ); i++)
+ if (!stream->first_frame)
{
- subtitle = hb_list_item( job->list_subtitle, i );
- while( ( sub = hb_fifo_see( subtitle->fifo_raw ) ) )
+ switch (stream->type)
{
- if ( sub->s.start > next->s.start )
+ case SYNC_TYPE_VIDEO:
+ hb_log("sync: first pts video is %"PRId64,
+ buf->s.start);
+ break;
+ case SYNC_TYPE_AUDIO:
+ hb_log("sync: first pts audio 0x%x is %"PRId64,
+ stream->audio.audio->id, buf->s.start);
+ break;
+ case SYNC_TYPE_SUBTITLE:
+ hb_log("sync: first pts subtitle 0x%x is %"PRId64,
+ stream->subtitle.subtitle->id, buf->s.start);
+ break;
+ default:
break;
- sub = hb_fifo_get( subtitle->fifo_raw );
- hb_buffer_close( &sub );
}
+ stream->first_frame = 1;
+ stream->first_pts = buf->s.start;
+ stream->next_pts = buf->s.start;
+ stream->min_frame_duration = buf->s.duration;
}
-#ifdef USE_QSV
- // reclaim QSV resources before dropping the buffer
- // when decoding without QSV, the QSV atom will be NULL
- if (job != NULL && job->qsv.ctx != NULL &&
- next->qsv_details.qsv_atom != NULL)
+ if (stream->type == SYNC_TYPE_AUDIO)
{
- av_qsv_stage *stage = av_qsv_get_last_stage(next->qsv_details.qsv_atom);
- if (stage != NULL)
- {
- av_qsv_wait_on_sync(job->qsv.ctx, stage);
- if (stage->out.sync->in_use > 0)
- {
- ff_qsv_atomic_dec(&stage->out.sync->in_use);
- }
- if (stage->out.p_surface->Data.Locked > 0)
- {
- ff_qsv_atomic_dec(&stage->out.p_surface->Data.Locked);
- }
- }
- av_qsv_flush_stages(job->qsv.ctx->pipes,
- &next->qsv_details.qsv_atom);
+ buf = FilterAudioFrame(stream, buf);
}
-#endif
- hb_buffer_close( &next );
+ if (stream->type == SYNC_TYPE_AUDIO ||
+ stream->type == SYNC_TYPE_VIDEO)
+ {
+ buf->s.start = stream->next_pts;
+ buf->s.stop = stream->next_pts + buf->s.duration;
+ }
+
+ stream->next_pts += buf->s.duration;
- return HB_WORK_OK;
+ if (buf->s.stop > 0)
+ {
+ stream->current_duration = buf->s.stop - stream->first_pts;
+ }
+ stream->frame_count++;
+ if (buf->s.duration > 0 &&
+ stream->min_frame_duration > buf->s.duration)
+ {
+ stream->min_frame_duration = buf->s.duration;
+ }
+ if (stream->max_frame_duration < buf->s.duration)
+ {
+ stream->max_frame_duration = buf->s.duration;
+ }
+ hb_buffer_list_append(&stream->out_queue, buf);
}
- hb_lock( pv->common->mutex );
- pv->common->audio_pts_slip += next_start;
- pv->common->video_pts_slip += next_start;
- pv->common->start_found = 1;
- pv->common->count_frames = 0;
- hb_unlock( pv->common->mutex );
- next_start = 0;
- sync->st_first = 0;
- resetSync(pv);
- }
-
- /* Check for end of point-to-point frame encoding */
- if (job->frame_to_stop && pv->common->count_frames > job->frame_to_stop)
- {
- // Drop an empty buffer into our output to ensure that things
- // get flushed all the way out.
- hb_log("sync: reached %d frames, exiting early",
- pv->common->count_frames);
- hb_buffer_close(&sync->cur);
- hb_buffer_close(&next);
- *buf_out = hb_buffer_eof_init();
- flushSubtitles(pv);
- // Unblock anybody waiting on this threads last PTS
- setSyncPTS(pv, INT64_MAX, 0);
- return HB_WORK_DONE;
}
+ hb_buffer_list_append(&stream->out_queue, hb_buffer_eof_init());
+}
- /* Check for end of point-to-point pts encoding */
- if( job->pts_to_stop && sync->next_start >= job->pts_to_stop )
- {
- // Drop an empty buffer into our output to ensure that things
- // get flushed all the way out.
- hb_log("sync: reached pts %"PRId64", exiting early",
- sync->cur->s.start);
- hb_buffer_close(&sync->cur);
- hb_buffer_close( &next );
- *buf_out = hb_buffer_eof_init();
- flushSubtitles(pv);
- // Unblock anybody waiting on this threads last PTS
- setSyncPTS(pv, INT64_MAX, 0);
- return HB_WORK_DONE;
- }
+// OutputBuffer pulls buffers from the internal sync buffer queues in
+// lowest PTS first order. It then processes the queue the buffer is
+// pulled from for frame overlaps and gaps.
+//
+// If a queue reaches MAX depth, it is possible another queue is too low
+// to achieve both goals of pulling lowest PTS first *and* perform
+// timestamp correction. In this scenario, we forego lowest PTS and pull
+// the next lowest PTS that has enough buffers in the queue to perform
+// timestamp correction.
+static void OutputBuffer( sync_common_t * common )
+{
+ int ii, full;
+ int64_t pts;
+ sync_stream_t * out_stream;
+ hb_buffer_t * buf;
- if (sync->cur == NULL)
+ if (common->done)
{
- sync->cur = next;
- return HB_WORK_OK;
+ // It is possible to get here when one stream triggers
+ // end of output (i.e. pts_to_stop or frame_to_stop) while
+ // another stream is waiting on the mutex.
+ return;
}
-
- // At this point, we have 2 video frames wich allows us to set the
- // duration of the first and output it.
- cur = sync->cur;
- if (sync->first_frame)
+ do
{
- /* This is our first frame */
- if (cur->s.start > 0)
+ full = 0;
+ out_stream = NULL;
+ pts = INT64_MAX;
+
+ // Find lowest PTS and output that buffer
+ for (ii = 0; ii < common->stream_count; ii++)
{
- /*
- * The first pts from a dvd should always be zero but
- * can be non-zero with a transport or program stream since
- * we're not guaranteed to start on an IDR frame. If we get
- * a non-zero initial PTS extend its duration so it behaves
- * as if it started at zero so that our audio timing will
- * be in sync.
- */
- hb_log( "sync: first pts is %"PRId64, cur->s.start );
- cur->s.start = 0;
+ sync_stream_t * stream = &common->streams[ii];
+ // We need at least 2 buffers in the queue in order to fix
+ // frame overlaps and inter-frame gaps. So if a queue is
+ // low, do not do normal PTS interleaving with this queue.
+ // Except for subtitles which are not processed for gaps
+ // and overlaps.
+ if (hb_list_count(stream->in_queue) > stream->min_len)
+ {
+ buf = hb_list_item(stream->in_queue, 0);
+ if (buf->s.start < pts)
+ {
+ pts = buf->s.start;
+ out_stream = stream;
+ }
+ }
+ // But continue output of buffers as long as one of the queues
+ // is above the maximum queue level.
+ if(hb_list_count(stream->in_queue) > stream->max_len)
+ {
+ full = 1;
+ }
}
- sync->first_frame = 0;
- }
-
- /*
- * since the first frame is always 0 and the upstream reader code
- * is taking care of adjusting for pts discontinuities, we just have
- * to deal with the next frame's start being in the past. This can
- * happen when the PTS is adjusted after data loss but video frame
- * reordering causes some frames with the old clock to appear after
- * the clock change. This creates frames that overlap in time which
- * looks to us like time going backward. The downstream muxing code
- * can deal with overlaps of up to a frame time but anything larger
- * we handle by dropping frames here.
- */
- if ( next_start - cur->s.start <= 0 )
- {
- if ( sync->first_drop == 0 )
+ if (out_stream == NULL)
{
- sync->first_drop = next_start;
+ // This should only happen if all queues are below the
+ // minimum queue level
+ break;
}
- ++sync->drop_count;
- if ( next->s.new_chap )
+
+ if (out_stream->next_pts == AV_NOPTS_VALUE)
{
- // don't drop a chapter mark when we drop the buffer
- sync->chap_mark = next->s.new_chap;
+ // Initialize next_pts, it is used to make timestamp corrections
+ buf = hb_list_item(out_stream->in_queue, 0);
+ out_stream->next_pts = buf->s.start;
}
-#ifdef USE_QSV
- // reclaim QSV resources before dropping the buffer
- // when decoding without QSV, the QSV atom will be NULL
- if (job != NULL && job->qsv.ctx != NULL &&
- next->qsv_details.qsv_atom != NULL)
+ // Make timestamp adjustments to eliminate jitter, gaps, and overlaps
+ fixStreamTimestamps(out_stream);
+
+ buf = hb_list_item(out_stream->in_queue, 0);
+ if (buf == NULL)
+ {
+ // In case some timestamp sanitization causes the one and
+ // only buffer in the queue to be deleted...
+ // This really shouldn't happen.
+ continue;
+ }
+ if (!common->start_found)
{
- av_qsv_stage *stage = av_qsv_get_last_stage(next->qsv_details.qsv_atom);
- if (stage != NULL)
+ // pts_to_start or frame_to_start were specified.
+ // Wait for the appropriate start point.
+ if (out_stream->type == SYNC_TYPE_VIDEO &&
+ common->job->frame_to_start > 0 &&
+ out_stream->frame_count >= common->job->frame_to_start)
{
- av_qsv_wait_on_sync(job->qsv.ctx, stage);
- if (stage->out.sync->in_use > 0)
+ common->start_found = 1;
+ out_stream->frame_count = 0;
+ }
+ else if (common->job->pts_to_start > 0 &&
+ buf->s.start >= common->job->pts_to_start)
+ {
+ common->start_found = 1;
+ common->streams[0].frame_count = 0;
+ }
+ else
+ {
+ if (out_stream->type == SYNC_TYPE_VIDEO)
{
- ff_qsv_atomic_dec(&stage->out.sync->in_use);
+ UpdateSearchState(common, buf->s.start,
+ out_stream->frame_count);
+ out_stream->frame_count++;
}
- if (stage->out.p_surface->Data.Locked > 0)
+ hb_list_rem(out_stream->in_queue, buf);
+ signalBuffer(out_stream);
+ hb_buffer_close(&buf);
+ continue;
+ }
+ // reset frame count to track number of frames after
+ // the start position till the end of encode.
+ shiftTS(common, buf->s.start);
+ }
+
+ // If pts_to_stop or frame_to_stop were specified, stop output
+ if (common->job->pts_to_stop &&
+ buf->s.start >= common->job->pts_to_stop )
+ {
+ hb_log("sync: reached pts %"PRId64", exiting early", buf->s.start);
+ common->done = 1;
+ sendEof(common);
+ return;
+ }
+ if (out_stream->type == SYNC_TYPE_VIDEO &&
+ common->job->frame_to_stop &&
+ out_stream->frame_count >= common->job->frame_to_stop)
+ {
+ hb_log("sync: reached %d frames, exiting early",
+ out_stream->frame_count);
+ common->done = 1;
+ sendEof(common);
+ return;
+ }
+
+ // Out the buffer goes...
+ hb_list_rem(out_stream->in_queue, buf);
+ signalBuffer(out_stream);
+ if ((buf->s.start < 0) ||
+ (out_stream->type == SYNC_TYPE_VIDEO && buf->s.duration < 256))
+ {
+ // The pipeline can't handle negative timestamps
+ // and it is sometimes not possible to avoid one
+ // at the start of the video. There can be a
+ // significant delay before we see the first buffers
+ // from all streams. We can't buffer indefinitely
+ // until we have seen the first PTS for all streams
+ // so sometimes we may start before we have seen
+ // the earliest PTS
+ //
+ // Also, encx264.c can't handle timestamps that are spaced
+ // less than 256 ticks apart.
+ hb_buffer_close(&buf);
+ }
+ else
+ {
+ if (out_stream->type == SYNC_TYPE_VIDEO)
+ {
+ UpdateState(common, out_stream->frame_count);
+ }
+ if (!out_stream->first_frame)
+ {
+ switch (out_stream->type)
{
- ff_qsv_atomic_dec(&stage->out.p_surface->Data.Locked);
+ case SYNC_TYPE_VIDEO:
+ hb_log("sync: first pts video is %"PRId64,
+ buf->s.start);
+ break;
+ case SYNC_TYPE_AUDIO:
+ hb_log("sync: first pts audio 0x%x is %"PRId64,
+ out_stream->audio.audio->id, buf->s.start);
+ break;
+ case SYNC_TYPE_SUBTITLE:
+ hb_log("sync: first pts subtitle 0x%x is %"PRId64,
+ out_stream->subtitle.subtitle->id, buf->s.start);
+ break;
+ default:
+ break;
}
+ out_stream->first_frame = 1;
+ out_stream->first_pts = buf->s.start;
+ out_stream->next_pts = buf->s.start;
+ out_stream->min_frame_duration = buf->s.duration;
+ }
+
+ if (out_stream->type == SYNC_TYPE_AUDIO)
+ {
+ buf = FilterAudioFrame(out_stream, buf);
+ }
+ if (out_stream->type == SYNC_TYPE_AUDIO ||
+ out_stream->type == SYNC_TYPE_VIDEO)
+ {
+ buf->s.start = out_stream->next_pts;
+ buf->s.stop = out_stream->next_pts + buf->s.duration;
+ }
+
+ out_stream->next_pts += buf->s.duration;
+
+ if (buf->s.stop > 0)
+ {
+ out_stream->current_duration = buf->s.stop -
+ out_stream->first_pts;
+ }
+ out_stream->frame_count++;
+ if (buf->s.duration > 0 &&
+ out_stream->min_frame_duration > buf->s.duration)
+ {
+ out_stream->min_frame_duration = buf->s.duration;
+ }
+ if (out_stream->max_frame_duration < buf->s.duration)
+ {
+ out_stream->max_frame_duration = buf->s.duration;
}
- av_qsv_flush_stages(job->qsv.ctx->pipes,
- &next->qsv_details.qsv_atom);
+ hb_buffer_list_append(&out_stream->out_queue, buf);
}
-#endif
+ } while (full);
+}
+
+static void Synchronize( sync_common_t * common )
+{
+ hb_lock(common->mutex);
- hb_buffer_close( &next );
- return HB_WORK_OK;
+ if (!fillQueues(common))
+ {
+ hb_unlock(common->mutex);
+ return;
}
- if ( sync->first_drop )
+ if (!common->found_first_pts)
{
- hb_log( "sync: video time didn't advance - dropped %d frames "
- "(delta %d ms, current %"PRId64", next %"PRId64", dur %d)",
- sync->drop_count, (int)( cur->s.start - sync->first_drop ) / 90,
- cur->s.start, next_start, (int)( next_start - cur->s.start ) );
- sync->first_drop = 0;
- sync->drop_count = 0;
+ checkFirstPts(common);
}
+ OutputBuffer(common);
- /*
- * Track the video sequence number locally so that we can sync the audio
- * to it using the sequence number as well as the PTS.
- */
- sync->video_sequence = cur->sequence;
-
- /* Process subtitles that apply to this video frame */
- // NOTE: There is no logic in either subtitle-sync algorithm that waits
- // for the subtitle-decoder if it is lagging behind the video-decoder.
- //
- // Therefore there is the implicit assumption that the subtitle-decoder
- // is always faster than the video-decoder. This assumption is definitely
- // incorrect in some cases where the SSA subtitle decoder is used.
+ hb_unlock(common->mutex);
+}
- for( i = 0; i < hb_list_count( job->list_subtitle ); i++)
+static void updateDuration( sync_stream_t * stream, int64_t start )
+{
+ // The video decoder does not set an initial duration for frames.
+ // So set it here.
+ if (stream->type == SYNC_TYPE_VIDEO)
{
- hb_buffer_t *out;
-
- subtitle = hb_list_item( job->list_subtitle, i );
-
- // Sanitize subtitle start and stop times, then pass to
- // muxer or renderer filter.
- while ( ( sub = hb_fifo_get( subtitle->fifo_raw ) ) != NULL )
+ int count = hb_list_count(stream->in_queue);
+ if (count > 0)
{
- if (!(next->s.flags & HB_BUF_FLAG_EOF))
+ hb_buffer_t * buf = hb_list_item(stream->in_queue, count - 1);
+ double duration = start - buf->s.start;
+ if (duration > 0)
{
- out = sanitizeSubtitle(pv, i, sub);
- if (out != NULL)
- hb_fifo_push( subtitle->fifo_out, out );
+ buf->s.duration = duration;
+ buf->s.stop = start;
}
else
{
- // Push the end of stream marker
- hb_fifo_push( subtitle->fifo_out, sub );
+ buf->s.duration = 0.;
+ buf->s.stop = buf->s.start;
}
}
}
+}
- /*
- * Adjust the pts of the current frame so that it's contiguous
- * with the previous frame. The start time of the current frame
- * has to be the end time of the previous frame and the stop
- * time has to be the start of the next frame. We don't
- * make any adjustments to the source timestamps other than removing
- * the clock offsets (which also removes pts discontinuities).
- * This means we automatically encode at the source's frame rate.
- * MP2 uses an implicit duration (frames end when the next frame
- * starts) but more advanced containers like MP4 use an explicit
- * duration. Since we're looking ahead one frame we set the
- * explicit stop time from the start time of the next frame.
- */
- *buf_out = cur;
- int64_t duration = next_start - cur->s.start;
- sync->cur = cur = next;
- cur->s.start -= pv->common->video_pts_slip;
- if (cur->s.renderOffset != AV_NOPTS_VALUE)
- cur->s.renderOffset -= pv->common->video_pts_slip;
- cur->s.stop -= pv->common->video_pts_slip;
- sync->pts_skip = 0;
- if ( duration <= 0 )
- {
- hb_log( "sync: invalid video duration %"PRId64", start %"PRId64", next %"PRId64"",
- duration, cur->s.start, next_start );
- }
-
- (*buf_out)->s.start = sync->next_start;
- sync->next_start += duration;
- (*buf_out)->s.stop = sync->next_start;
-
- if ( sync->chap_mark )
- {
- // we have a pending chapter mark from a recent drop - put it on this
- // buffer (this may make it one frame late but we can't do any better).
- (*buf_out)->s.new_chap = sync->chap_mark;
- sync->chap_mark = 0;
- }
-
- /* Update UI */
- UpdateState( w );
+static void QueueBuffer( sync_stream_t * stream, hb_buffer_t * buf )
+{
+ hb_lock(stream->common->mutex);
- return HB_WORK_OK;
+ // We do not place a limit on the number of subtitle frames
+ // that are buffered becuase there are cases where we will
+ // receive all the subtitles for a file all at once (SSA subs).
+ // If we did not buffer these subs here, the following deadlock
+ // condition would occur:
+ // 1. Subtitle decoder blocks trying to generate more subtitle
+ // lines than will fit in sync input buffers.
+ // 2. This blocks the reader. Reader doesn't read any more
+ // audio or video, so sync won't receive buffers it needs
+ // to unblock subtitles.
+ while (hb_list_count(stream->in_queue) > stream->max_len)
+ {
+ hb_cond_wait(stream->cond_full, stream->common->mutex);
+ }
+
+ buf->s.start -= stream->pts_slip;
+ if (buf->s.stop != AV_NOPTS_VALUE)
+ {
+ buf->s.stop -= stream->pts_slip;
+ }
+ // Render offset is only useful for decoders, which are all
+ // upstream of sync. Squash it.
+ buf->s.renderOffset = AV_NOPTS_VALUE;
+ updateDuration(stream, buf->s.start);
+ hb_list_add(stream->in_queue, buf);
+
+ // Make adjustments for gaps found in other streams
+ applyDeltas(stream->common);
+
+ hb_unlock(stream->common->mutex);
}
-hb_work_object_t hb_sync_video =
+static int InitAudio( sync_common_t * common, int index )
{
- WORK_SYNC_VIDEO,
- "Video Synchronization",
- syncVideoInit,
- syncVideoWork,
- syncVideoClose
-};
+ hb_work_object_t * w = NULL;
+ hb_work_private_t * pv;
+ hb_audio_t * audio;
+
+ audio = hb_list_item(common->job->list_audio, index);
+ if (audio->priv.fifo_raw == NULL)
+ {
+ // No input fifo, not configured
+ return 0;
+ }
+ pv = calloc(1, sizeof(hb_work_private_t));
+ if (pv == NULL) goto fail;
+
+ pv->common = common;
+ pv->stream = &common->streams[1 + index];
+ pv->stream->common = common;
+ pv->stream->cond_full = hb_cond_init();
+ if (pv->stream->cond_full == NULL) goto fail;
+ pv->stream->in_queue = hb_list_init();
+ pv->stream->max_len = SYNC_MAX_AUDIO_QUEUE_LEN;
+ pv->stream->min_len = SYNC_MIN_AUDIO_QUEUE_LEN;
+ if (pv->stream->in_queue == NULL) goto fail;
+ pv->stream->delta_list = hb_list_init();
+ if (pv->stream->delta_list == NULL) goto fail;
+ pv->stream->type = SYNC_TYPE_AUDIO;
+ pv->stream->first_pts = AV_NOPTS_VALUE;
+ pv->stream->next_pts = AV_NOPTS_VALUE;
+ pv->stream->audio.audio = audio;
+
+ w = hb_get_work(common->job->h, WORK_SYNC_AUDIO);
+ w->private_data = pv;
+ w->audio = audio;
+ w->fifo_in = audio->priv.fifo_raw;
+ if (audio->config.out.codec & HB_ACODEC_PASS_FLAG)
+ {
+ w->fifo_out = audio->priv.fifo_out;
+ }
+ else
+ {
+ w->fifo_out = audio->priv.fifo_sync;
+ }
-/***********************************************************************
- * Close Audio
- ***********************************************************************
- *
- **********************************************************************/
-void syncAudioClose( hb_work_object_t * w )
+ if (!(audio->config.out.codec & HB_ACODEC_PASS_FLAG) &&
+ audio->config.in.samplerate != audio->config.out.samplerate)
+ {
+ /* Initialize libsamplerate */
+ int error;
+ pv->stream->audio.src.ctx = src_new(SRC_SINC_MEDIUM_QUALITY,
+ hb_mixdown_get_discrete_channel_count(audio->config.out.mixdown),
+ &error);
+ if (pv->stream->audio.src.ctx == NULL) goto fail;
+ pv->stream->audio.src.pkt.end_of_input = 0;
+ }
+
+ pv->stream->audio.gain_factor = pow(10, audio->config.out.gain / 20);
+
+ hb_list_add(common->list_work, w);
+
+ return 0;
+
+fail:
+ if (pv != NULL)
+ {
+ if (pv->stream != NULL)
+ {
+ if (pv->stream->audio.src.ctx)
+ {
+ src_delete(pv->stream->audio.src.ctx);
+ }
+ hb_list_close(&pv->stream->delta_list);
+ hb_list_close(&pv->stream->in_queue);
+ hb_cond_close(&pv->stream->cond_full);
+ }
+ }
+ free(pv);
+ free(w);
+
+ return 1;
+}
+
+static int InitSubtitle( sync_common_t * common, int index )
{
- hb_work_private_t * pv = w->private_data;
- hb_sync_audio_t * sync = &pv->type.audio;
+ hb_work_object_t * w = NULL;
+ hb_work_private_t * pv;
+ hb_subtitle_t * subtitle;
- // Unblock anybody waiting on this threads last PTS
- setSyncPTS(pv, INT64_MAX, sync->index+1);
+ subtitle = hb_list_item(common->job->list_subtitle, index);
+ if (subtitle->fifo_raw == NULL)
+ {
+ // No input fifo, not configured
+ return 0;
+ }
+ pv = calloc(1, sizeof(hb_work_private_t));
+ if (pv == NULL) goto fail;
+
+ pv->common = common;
+ pv->stream =
+ &common->streams[1 + hb_list_count(common->job->list_audio) + index];
+ pv->stream->common = common;
+ pv->stream->cond_full = hb_cond_init();
+ if (pv->stream->cond_full == NULL) goto fail;
+ pv->stream->in_queue = hb_list_init();
+ pv->stream->max_len = SYNC_MAX_SUBTITLE_QUEUE_LEN;
+ pv->stream->min_len = SYNC_MIN_SUBTITLE_QUEUE_LEN;
+ if (pv->stream->in_queue == NULL) goto fail;
+ pv->stream->delta_list = hb_list_init();
+ if (pv->stream->delta_list == NULL) goto fail;
+ pv->stream->type = SYNC_TYPE_SUBTITLE;
+ pv->stream->first_pts = AV_NOPTS_VALUE;
+ pv->stream->next_pts = AV_NOPTS_VALUE;
+ pv->stream->subtitle.subtitle = subtitle;
+
+ w = hb_get_work(common->job->h, WORK_SYNC_SUBTITLE);
+ w->private_data = pv;
+ w->subtitle = subtitle;
+ w->fifo_in = subtitle->fifo_raw;
+ w->fifo_out = subtitle->fifo_out;
- if( sync->silence_buf )
+ memset(&pv->stream->subtitle.sanitizer, 0,
+ sizeof(pv->stream->subtitle.sanitizer));
+ if (subtitle->format == TEXTSUB && subtitle->config.dest == PASSTHRUSUB &&
+ (common->job->mux & HB_MUX_MASK_MP4))
{
- free( sync->silence_buf );
+ // Merge overlapping subtitles since mpv tx3g does not support them
+ pv->stream->subtitle.sanitizer.merge = 1;
}
- if ( sync->state )
+ // PGS subtitles don't need to be linked because there are explicit
+ // "clear" subtitle packets that indicate the end time of the
+ // previous subtitle
+ if (subtitle->config.dest == PASSTHRUSUB &&
+ subtitle->source != PGSSUB)
{
- src_delete( sync->state );
+ // Fill in stop time when it is missing
+ pv->stream->subtitle.sanitizer.link = 1;
}
+ hb_buffer_list_clear(&pv->stream->subtitle.sanitizer.list_current);
- free( pv );
- w->private_data = NULL;
-}
+ hb_list_add(common->list_work, w);
-int syncAudioInit( hb_work_object_t * w, hb_job_t * job)
-{
return 0;
+
+fail:
+ if (pv != NULL)
+ {
+ if (pv->stream != NULL)
+ {
+ hb_list_close(&pv->stream->delta_list);
+ hb_list_close(&pv->stream->in_queue);
+ hb_cond_close(&pv->stream->cond_full);
+ }
+ }
+ free(pv);
+ free(w);
+
+ return 1;
}
/***********************************************************************
- * SyncAudio
- ***********************************************************************
- *
+ * Initialize the work object
**********************************************************************/
-static int syncAudioWork( hb_work_object_t * w, hb_buffer_t ** buf_in,
- hb_buffer_t ** buf_out )
+static int syncVideoInit( hb_work_object_t * w, hb_job_t * job)
{
- hb_work_private_t * pv = w->private_data;
- hb_job_t * job = pv->job;
- hb_sync_audio_t * sync = &pv->type.audio;
- hb_buffer_t * buf;
- int64_t start;
+ hb_work_private_t * pv;
+ int ii;
- buf = *buf_in;
- *buf_in = NULL;
+ pv = calloc(1, sizeof(hb_work_private_t));
+ if (pv == NULL) goto fail;
+ w->private_data = pv;
+ pv->common = calloc(1, sizeof(sync_common_t));
+ if (pv->common == NULL) goto fail;
+ pv->common->job = job;
- /* if the next buffer is an eof send it downstream */
- if (buf->s.flags & HB_BUF_FLAG_EOF)
- {
- *buf_out = buf;
- // Unblock anybody waiting on this threads last PTS
- setSyncPTS(pv, INT64_MAX, sync->index+1);
- return HB_WORK_DONE;
+ // count number of streams we need
+ pv->common->stream_count = 1;
+ pv->common->stream_count += hb_list_count(job->list_audio);
+ pv->common->stream_count += hb_list_count(job->list_subtitle);
+ pv->common->streams = calloc(pv->common->stream_count,
+ sizeof(sync_stream_t));
+
+ // Allocate streams
+ if (pv->common->streams == NULL) goto fail;
+
+ // create audio and subtitle work list
+ pv->common->list_work = hb_list_init();
+ if (pv->common->list_work == NULL) goto fail;
+
+ // mutex to mediate access to pv->common
+ pv->common->mutex = hb_lock_init();
+ if (pv->common->mutex == NULL) goto fail;
+
+ // Set up video sync work object
+ pv->stream = &pv->common->streams[0];
+ pv->stream->common = pv->common;
+ pv->stream->cond_full = hb_cond_init();
+ if (pv->stream->cond_full == NULL) goto fail;
+ pv->stream->in_queue = hb_list_init();
+ pv->stream->max_len = SYNC_MAX_VIDEO_QUEUE_LEN;
+ pv->stream->min_len = SYNC_MIN_VIDEO_QUEUE_LEN;
+ if (pv->stream->in_queue == NULL) goto fail;
+ pv->stream->delta_list = hb_list_init();
+ if (pv->stream->delta_list == NULL) goto fail;
+ pv->stream->type = SYNC_TYPE_VIDEO;
+ pv->stream->first_pts = AV_NOPTS_VALUE;
+ pv->stream->next_pts = AV_NOPTS_VALUE;
+
+ w->fifo_in = job->fifo_raw;
+ // sync performs direct output to fifos
+ w->fifo_out = job->fifo_sync;
+ if (job->indepth_scan)
+ {
+ // When doing subtitle indepth scan, the pipeline ends at sync
+ w->fifo_out = NULL;
}
- start = buf->s.start - pv->common->audio_pts_slip;
- if (pv->common->pts_offset == INT64_MIN || !pv->common->start_found ||
- job->frame_to_stop > 0)
+ if (job->pass_id == HB_PASS_ENCODE_2ND)
{
- waitForSync(w, start, sync->index+1, w->fifo_in);
- // audio_pts_slip may change in waitForSync()
- start = buf->s.start - pv->common->audio_pts_slip;
+ /* We already have an accurate frame count from pass 1 */
+ hb_interjob_t * interjob = hb_interjob_get(job->h);
+ pv->common->est_frame_count = interjob->frame_count;
}
else
{
- setSyncPTS(pv, start, sync->index+1);
- }
-
- // Wait for start frame if doing point-to-point
- //
- // When doing frame p-to-p, video leads the way. The video thead will set
- // start_found when we have reached the start point.
- if (!pv->common->start_found)
- {
- if (job->pts_to_start > 0 && buf->s.start >= job->pts_to_start)
+ /* Calculate how many video frames we are expecting */
+ if (job->frame_to_stop)
{
- hb_lock( pv->common->mutex );
- pv->common->start_found = 1;
- pv->common->audio_pts_slip += start;
- pv->common->video_pts_slip += start;
- pv->common->count_frames = 0;
- hb_unlock( pv->common->mutex );
- resetSync(pv);
- start = 0;
+ pv->common->est_frame_count = job->frame_to_stop;
}
else
{
- // For frame-to-frame encoding, the video sync thread will
- // tell us when it is ok to start
- hb_buffer_close(&buf);
- return HB_WORK_OK;
+ int64_t duration;
+ if (job->pts_to_stop)
+ {
+ duration = job->pts_to_stop + 90000;
+ }
+ else
+ {
+ duration = 0;
+ for (ii = job->chapter_start; ii <= job->chapter_end; ii++)
+ {
+ hb_chapter_t * chapter;
+ chapter = hb_list_item(job->list_chapter, ii - 1);
+ if (chapter != NULL)
+ {
+ duration += chapter->duration;
+ }
+ }
+ }
+ pv->common->est_frame_count = duration * job->title->vrate.num /
+ job->title->vrate.den / 90000;
}
}
+ hb_log("sync: expecting %d video frames", pv->common->est_frame_count);
- // Check for p-to-p end time
- if (job->frame_to_stop && pv->common->count_frames >= job->frame_to_stop)
+ // Initialize audio sync work objects
+ for (ii = 0; ii < hb_list_count(job->list_audio); ii++ )
{
- hb_buffer_close( &buf );
- *buf_out = hb_buffer_eof_init();
- // Unblock anybody waiting on this threads last PTS
- setSyncPTS(pv, INT64_MAX, sync->index+1);
- return HB_WORK_DONE;
+ if (InitAudio(pv->common, ii)) goto fail;
}
- if (job->pts_to_stop && sync->next_start >= job->pts_to_stop)
+
+ // Initialize subtitle sync work objects
+ for (ii = 0; ii < hb_list_count(job->list_subtitle); ii++ )
{
- hb_buffer_close( &buf );
- *buf_out = hb_buffer_eof_init();
- // Unblock anybody waiting on this threads last PTS
- setSyncPTS(pv, INT64_MAX, sync->index+1);
- return HB_WORK_DONE;
+ if (InitSubtitle(pv->common, ii)) goto fail;
}
- // audio time went backwards.
- // If our output clock is more than a half frame ahead of the
- // input clock drop this frame to move closer to sync.
- // Otherwise drop frames until the input clock matches the output clock.
- if ( sync->next_start - start > 90*15 )
+ /* Launch work processing threads */
+ for (ii = 0; ii < hb_list_count(pv->common->list_work); ii++)
{
- // Discard data that's in the past.
- if ( sync->first_drop == 0 )
- {
- sync->first_drop = start;
- }
- ++sync->drop_count;
- hb_buffer_close( &buf );
- return HB_WORK_OK;
+ hb_work_object_t * work;
+ work = hb_list_item(pv->common->list_work, ii);
+ work->done = w->done;
+ work->thread = hb_thread_init(work->name, hb_work_loop,
+ work, HB_LOW_PRIORITY);
}
- if ( sync->first_drop )
+
+ if (job->frame_to_start || job->pts_to_start)
{
- // we were dropping old data but input buf time is now current
- hb_log( "sync: audio 0x%x time went backwards %d ms, dropped %d frames "
- "(start %"PRId64", next %"PRId64")", w->audio->id,
- (int)( sync->next_start - sync->first_drop ) / 90,
- sync->drop_count, sync->first_drop, (int64_t)sync->next_start );
- sync->first_drop = 0;
- sync->drop_count = 0;
+ pv->common->start_found = 0;
}
- if ( start - sync->next_start >= (90 * 70) )
+ else
{
- if ( start - sync->next_start > (90000LL * 60) )
- {
- // there's a gap of more than a minute between the last
- // frame and this. assume we got a corrupted timestamp
- // and just drop the next buf.
- hb_log( "sync: %d minute time gap in audio 0x%x - dropping buf"
- " start %"PRId64", next %"PRId64,
- (int)((start - sync->next_start) / (90000*60)),
- w->audio->id, start, (int64_t)sync->next_start );
- hb_buffer_close( &buf );
- return HB_WORK_OK;
- }
- /*
- * there's a gap of at least 70ms between the last
- * frame we processed & the next. Fill it with silence.
- * Or in the case of DCA, skip some frames from the
- * other streams.
- */
- if ( sync->drop_video_to_sync )
+ pv->common->start_found = 1;
+ }
+
+ return 0;
+
+fail:
+ if (pv != NULL)
+ {
+ if (pv->common != NULL)
{
- hb_log( "sync: audio gap %d ms. Skipping frames. Audio 0x%x"
- " start %"PRId64", next %"PRId64,
- (int)((start - sync->next_start) / 90),
- w->audio->id, start, (int64_t)sync->next_start );
- hb_lock( pv->common->mutex );
- pv->common->audio_pts_slip += (start - sync->next_start);
- pv->common->video_pts_slip += (start - sync->next_start);
- hb_unlock( pv->common->mutex );
- *buf_out = OutputAudioFrame( w->audio, buf, sync );
- return HB_WORK_OK;
+ for (ii = 0; ii < hb_list_count(pv->common->list_work); ii++)
+ {
+ hb_work_object_t * work;
+ work = hb_list_item(pv->common->list_work, ii);
+ if (work->close) work->close(work);
+ }
+ hb_list_close(&pv->common->list_work);
+ hb_lock_close(&pv->common->mutex);
+ if (pv->stream != NULL)
+ {
+ hb_list_close(&pv->stream->delta_list);
+ hb_list_close(&pv->stream->in_queue);
+ hb_cond_close(&pv->stream->cond_full);
+ }
+ free(pv->common->streams);
+ free(pv->common);
}
- hb_log( "sync: adding %d ms of silence to audio 0x%x"
- " start %"PRId64", next %"PRId64,
- (int)((start - sync->next_start) / 90),
- w->audio->id, start, (int64_t)sync->next_start );
- InsertSilence( w, start - sync->next_start );
- }
-
- /*
- * When we get here we've taken care of all the dups and gaps in the
- * audio stream and are ready to inject the next input frame into
- * the output stream.
- */
- *buf_out = OutputAudioFrame( w->audio, buf, sync );
- return HB_WORK_OK;
+ }
+ free(pv);
+ w->private_data = NULL;
+
+ return 1;
}
-hb_work_object_t hb_sync_audio =
+/***********************************************************************
+ * Close Video
+ ***********************************************************************
+ *
+ **********************************************************************/
+static void syncVideoClose( hb_work_object_t * w )
{
- WORK_SYNC_AUDIO,
- "AudioSynchronization",
- syncAudioInit,
- syncAudioWork,
- syncAudioClose
-};
+ hb_work_private_t * pv = w->private_data;
+ hb_job_t * job = pv->common->job;
-static void InitAudio( hb_job_t * job, hb_sync_common_t * common, int i )
-{
- hb_work_object_t * w;
- hb_work_private_t * pv;
- hb_sync_audio_t * sync;
+ if (pv == NULL)
+ {
+ return;
+ }
+
+ hb_log("sync: got %d frames, %d expected",
+ pv->stream->frame_count, pv->common->est_frame_count );
+ if (pv->stream->min_frame_duration > 0 &&
+ pv->stream->max_frame_duration > 0 &&
+ pv->stream->current_duration > 0)
+ {
+ hb_log("sync: framerate min %.3f fps, max %.3f fps, avg %.3f fps",
+ 90000. / pv->stream->max_frame_duration,
+ 90000. / pv->stream->min_frame_duration,
+ (pv->stream->frame_count * 90000.) /
+ pv->stream->current_duration);
+ }
- pv = calloc( 1, sizeof( hb_work_private_t ) );
- sync = &pv->type.audio;
- sync->index = i;
- pv->job = job;
- pv->common = common;
- pv->common->pts_count++;
+ /* save data for second pass */
+ if( job->pass_id == HB_PASS_ENCODE_1ST )
+ {
+ /* Preserve frame count for better accuracy in pass 2 */
+ hb_interjob_t * interjob = hb_interjob_get( job->h );
+ interjob->frame_count = pv->stream->frame_count;
+ }
+ sync_delta_t * delta;
+ while ((delta = hb_list_item(pv->stream->delta_list, 0)) != NULL)
+ {
+ hb_list_rem(pv->stream->delta_list, delta);
+ free(delta);
+ }
+ hb_list_close(&pv->stream->delta_list);
+ hb_buffer_list_close(&pv->stream->out_queue);
+ hb_list_empty(&pv->stream->in_queue);
+ hb_cond_close(&pv->stream->cond_full);
- w = hb_get_work( job->h, WORK_SYNC_AUDIO );
- hb_list_add(common->list_work, w);
+ // Close work threads
+ hb_work_object_t * work;
+ while ((work = hb_list_item(pv->common->list_work, 0)))
+ {
+ hb_list_rem(pv->common->list_work, work);
+ if (work->thread != NULL)
+ {
+ hb_thread_close(&work->thread);
+ }
+ if (work->close) work->close(work);
+ free(work);
+ }
+ hb_list_close(&pv->common->list_work);
- w->private_data = pv;
- w->audio = hb_list_item( job->list_audio, i );
- w->fifo_in = w->audio->priv.fifo_raw;
- // Register condition with fifo to wake us up immediately if
- // the fifo becomes full
- hb_fifo_register_full_cond(w->fifo_in, pv->common->next_frame);
+ hb_lock_close(&pv->common->mutex);
+ free(pv->common->streams);
+ free(pv->common);
+ free(pv);
+ w->private_data = NULL;
+}
+
+static hb_buffer_t * merge_ssa(hb_buffer_t *a, hb_buffer_t *b)
+{
+ int len, ii;
+ char *text;
+ hb_buffer_t *buf = hb_buffer_init(a->size + b->size);
+ buf->s = a->s;
- if ( w->audio->config.out.codec & HB_ACODEC_PASS_FLAG )
+ // Find the text in the second SSA sub
+ text = (char*)b->data;
+ for (ii = 0; ii < 8; ii++)
{
- w->fifo_out = w->audio->priv.fifo_out;
+ text = strchr(text, ',');
+ if (text == NULL)
+ break;
+ text++;
+ }
+ if (text != NULL)
+ {
+ len = sprintf((char*)buf->data, "%s\n%s", a->data, text);
+ if (len >= 0)
+ buf->size = len + 1;
}
else
{
- w->fifo_out = w->audio->priv.fifo_sync;
+ memcpy(buf->data, a->data, a->size);
+ buf->size = a->size;
}
- if( w->audio->config.out.codec == HB_ACODEC_AC3_PASS ||
- w->audio->config.out.codec == HB_ACODEC_AAC_PASS ||
- w->audio->config.out.codec == HB_ACODEC_EAC3_PASS ||
- w->audio->config.out.codec == HB_ACODEC_FLAC_PASS )
- {
- /* Have a silent frame ready in case we have to fill a gap */
- AVDictionary *av_opts = NULL;
- AVCodec *codec;
- AVCodecContext *c;
+ return buf;
+}
+
+static void setSubDuration(hb_buffer_t * buf)
+{
+ if (buf->s.stop != AV_NOPTS_VALUE)
+ buf->s.duration = buf->s.stop - buf->s.start;
+ else
+ buf->s.duration = AV_NOPTS_VALUE;
+}
+
+static hb_buffer_t * mergeSubtitles(subtitle_sanitizer_t *sanitizer)
+{
+ hb_buffer_t *a, *b, *buf;
+ hb_buffer_list_t list;
- switch ( w->audio->config.out.codec )
+ hb_buffer_list_clear(&list);
+
+ if (!sanitizer->merge)
+ {
+ // Handle all but the last buffer
+ while (hb_buffer_list_count(&sanitizer->list_current) > 1)
{
- case HB_ACODEC_AC3_PASS:
- {
- codec = avcodec_find_encoder( AV_CODEC_ID_AC3 );
- } break;
- case HB_ACODEC_EAC3_PASS:
- {
- codec = avcodec_find_encoder( AV_CODEC_ID_EAC3 );
- } break;
- case HB_ACODEC_AAC_PASS:
- {
- codec = avcodec_find_encoder_by_name("aac");
- } break;
- case HB_ACODEC_FLAC_PASS:
- {
- codec = avcodec_find_encoder( AV_CODEC_ID_FLAC );
- } break;
- default:
- {
- // Never gets here
- codec = NULL; // Silence compiler warning
- } break;
+ buf = hb_buffer_list_rem_head(&sanitizer->list_current);
+ setSubDuration(buf);
+ hb_buffer_list_append(&list, buf);
}
-
- c = avcodec_alloc_context3(codec);
- c->bit_rate = w->audio->config.in.bitrate;
- c->sample_rate = w->audio->config.in.samplerate;
- c->channels =
- av_get_channel_layout_nb_channels(w->audio->config.in.channel_layout);
-
- /*
- * lossless codecs may encode differently depending on the bit depth, so
- * we need to set it correctly if we want the bitstream to be as close
- * as possible to what we're passing through
- */
- if (w->audio->config.out.codec == HB_ACODEC_FLAC_PASS)
+ // Check last buffer
+ buf = hb_buffer_list_head(&sanitizer->list_current);
+ if (buf != NULL)
{
- if (w->audio->config.in.sample_bit_depth <= 16)
+ if (buf->s.flags & HB_BUF_FLAG_EOF)
{
- hb_ff_set_sample_fmt(c, codec, AV_SAMPLE_FMT_S16);
+ buf = hb_buffer_list_rem_head(&sanitizer->list_current);
+ hb_buffer_list_append(&list, buf);
}
- else
+ else if (buf->s.stop != AV_NOPTS_VALUE)
{
- hb_ff_set_sample_fmt(c, codec, AV_SAMPLE_FMT_S32);
+ buf = hb_buffer_list_rem_head(&sanitizer->list_current);
+ setSubDuration(buf);
+ hb_buffer_list_append(&list, buf);
}
- c->bits_per_raw_sample = w->audio->config.in.sample_bit_depth;
- }
- else
- {
- hb_ff_set_sample_fmt(c, codec, AV_SAMPLE_FMT_FLTP);
}
+ return hb_buffer_list_clear(&list);
+ }
- /*
- * the default frame size selected by the encoder may not match
- * that of the input stream, but the FLAC encoder will honor whatever
- * frame size we set as long as it's a valid FLAC block size.
- *
- * for AC-3, the frame size is the same for all streams.
- *
- * for E-AC-3, using the same bitrate and sample rate as the input
- * should result in the frame size being the same as the source's.
- */
- if (w->audio->config.out.codec == HB_ACODEC_FLAC_PASS)
+ // We only reach here if we are merging subtitles
+ while (hb_buffer_list_count(&sanitizer->list_current) > 1)
+ {
+ a = hb_buffer_list_head(&sanitizer->list_current);
+ if (a->s.flags & HB_BUF_FLAG_EOF)
{
- c->frame_size = w->audio->config.in.samples_per_frame;
+ buf = hb_buffer_list_rem_head(&sanitizer->list_current);
+ hb_buffer_list_append(&list, buf);
+ break;
}
-
- /*
- * we want the output to be as close as possible to what we're passing
- * through, and we do have access to the source's matrix encoding mode.
- */
- if (w->audio->config.out.codec == HB_ACODEC_AC3_PASS ||
- w->audio->config.out.codec == HB_ACODEC_EAC3_PASS)
+ b = a->next;
+ if (b->s.flags & HB_BUF_FLAG_EOF)
{
- switch (w->audio->config.in.matrix_encoding)
- {
- case AV_MATRIX_ENCODING_DOLBY:
- case AV_MATRIX_ENCODING_DPLII:
- av_dict_set(&av_opts, "dsur_mode", "on", 0);
- break;
- case AV_MATRIX_ENCODING_DPLIIX:
- case AV_MATRIX_ENCODING_DOLBYEX:
- av_dict_set(&av_opts, "dsurex_mode", "on", 0);
- break;
- case AV_MATRIX_ENCODING_DPLIIZ:
- av_dict_set(&av_opts, "dsurex_mode", "dpliiz", 0);
- break;
- case AV_MATRIX_ENCODING_DOLBYHEADPHONE:
- av_dict_set(&av_opts, "dheadphone_mode", "on", 0);
- break;
- default:
- break;
- }
+ buf = hb_buffer_list_rem_head(&sanitizer->list_current);
+ setSubDuration(buf);
+ hb_buffer_list_append(&list, buf);
+ buf = hb_buffer_list_rem_head(&sanitizer->list_current);
+ hb_buffer_list_append(&list, buf);
+ break;
}
- if (w->audio->config.in.channel_layout == AV_CH_LAYOUT_STEREO_DOWNMIX)
+ if (a->s.stop == AV_NOPTS_VALUE)
{
- c->channel_layout = AV_CH_LAYOUT_STEREO;
- }
- else
- {
- c->channel_layout = w->audio->config.in.channel_layout;
+ // To evaluate overlaps, we need the stop times
+ // This should really never happen...
+ break;
}
- if (hb_avcodec_open(c, codec, &av_opts, 0) < 0)
- {
- hb_log("sync: track %d, hb_avcodec_open() failed, dropping video to sync",
- w->audio->config.out.track);
- sync->drop_video_to_sync = 1;
- }
- else
+ buf = NULL;
+ if (a->s.stop > b->s.start)
{
- // Prepare input frame
- AVFrame frame = { .nb_samples = c->frame_size, .pts = 0, };
- int input_size = av_samples_get_buffer_size(NULL, c->channels,
- frame.nb_samples,
- c->sample_fmt, 1);
- uint8_t *zeros = calloc(1, input_size);
- avcodec_fill_audio_frame(&frame, c->channels, c->sample_fmt, zeros,
- input_size, 1);
-
- // Allocate enough space for the encoded silence
- // The output should be < the input
- sync->silence_buf = malloc( input_size );
-
- // There is some delay in getting output from some audio encoders.
- // So encode a few packets till we get output.
- int ii;
- for ( ii = 0; ii < 10; ii++ )
+ // Overlap
+ if (ABS(a->s.start - b->s.start) <= 18000)
{
- // Prepare output packet
- AVPacket pkt;
- int got_packet;
- av_init_packet(&pkt);
- pkt.data = sync->silence_buf;
- pkt.size = input_size;
-
- int ret = avcodec_encode_audio2( c, &pkt, &frame, &got_packet);
- if ( ret < 0 )
+ if (b->s.stop == AV_NOPTS_VALUE)
{
- hb_log("sync: track %d, avcodec_encode_audio() failed, dropping video to sync",
- w->audio->config.out.track);
- sync->drop_video_to_sync = 1;
+ // To evaluate overlaps, we need the stop times
+ // for a and b
break;
}
+ a = hb_buffer_list_rem_head(&sanitizer->list_current);
- if ( got_packet )
+ // subtitles start within 1/5 second of eachother, merge
+ if (a->s.stop > b->s.stop && b->s.stop != AV_NOPTS_VALUE)
{
- sync->silence_size = pkt.size;
- break;
+ // a continues after b, reorder the list and swap
+ b = a;
+ a = hb_buffer_list_rem_head(&sanitizer->list_current);
+ hb_buffer_list_prepend(&sanitizer->list_current, b);
}
- else if (ii + 1 == 10)
+
+ b->s.start = a->s.stop;
+
+ buf = merge_ssa(a, b);
+ hb_buffer_close(&a);
+ a = buf;
+
+ if (b->s.stop != AV_NOPTS_VALUE &&
+ ABS(b->s.stop - b->s.start) <= 18000)
{
- hb_log("sync: track %d, failed to get output packet, dropping video to sync",
- w->audio->config.out.track);
- sync->drop_video_to_sync = 1;
+ // b and a completely overlap, remove b
+ b = hb_buffer_list_rem_head(&sanitizer->list_current);
+ hb_buffer_close(&b);
}
}
- free( zeros );
- hb_avcodec_close( c );
+ else
+ {
+ // a starts before b, output copy of a and update a start
+ buf = hb_buffer_dup(a);
+ buf->s.stop = b->s.start;
+ a->s.start = b->s.start;
+ }
}
- AVDictionaryEntry *opt = NULL;
- while ((opt = av_dict_get(av_opts, "", opt, AV_DICT_IGNORE_SUFFIX)) != NULL)
+ else if (a->s.stop <= b->s.start)
{
- hb_log("InitAudio: unknown option '%s'", opt->key);
+ // a starts and ends before b
+ buf = hb_buffer_list_rem_head(&sanitizer->list_current);
+ }
+
+ if (buf != NULL)
+ {
+ setSubDuration(buf);
+ hb_buffer_list_append(&list, buf);
}
- av_dict_free( &av_opts );
- av_free( c );
}
- else
+
+ return hb_buffer_list_clear(&list);
+}
+
+static hb_buffer_t * sanitizeSubtitle(
+ subtitle_sanitizer_t * sanitizer,
+ hb_buffer_t * sub)
+{
+ hb_buffer_list_t list;
+
+ if (sub == NULL)
{
- if( w->audio->config.out.codec & HB_ACODEC_PASS_FLAG )
+ return NULL;
+ }
+
+ hb_buffer_list_set(&list, sub);
+ if (!sanitizer->link && !sanitizer->merge)
+ {
+ sub = hb_buffer_list_head(&list);
+ while (sub != NULL)
{
- sync->drop_video_to_sync = 1;
+ if (sub->s.stop != AV_NOPTS_VALUE)
+ sub->s.duration = sub->s.stop - sub->s.start;
+ else
+ sub->s.duration = AV_NOPTS_VALUE;
+ sub = sub->next;
+ }
+ return hb_buffer_list_clear(&list);
+ }
+
+ sub = hb_buffer_list_rem_head(&list);
+ while (sub != NULL)
+ {
+ if (sub->s.flags & HB_BUF_FLAG_EOF)
+ {
+ hb_buffer_list_append(&sanitizer->list_current, sub);
+ break;
+ }
+ hb_buffer_t *last = hb_buffer_list_tail(&sanitizer->list_current);
+ if (last != NULL && last->s.stop == AV_NOPTS_VALUE)
+ {
+ last->s.stop = sub->s.start;
+ }
+
+ if (sub->s.start == sub->s.stop)
+ {
+ // Used to indicate "clear" subtitles when the duration
+ // of subtitles is not encoded in the stream
+ hb_buffer_close(&sub);
}
else
{
- /* Not passthru, initialize libsamplerate */
- int error;
- sync->state = src_new( SRC_SINC_MEDIUM_QUALITY,
- hb_mixdown_get_discrete_channel_count( w->audio->config.out.mixdown ),
- &error );
- sync->data.end_of_input = 0;
+ hb_buffer_list_append(&sanitizer->list_current, sub);
}
+ sub = hb_buffer_list_rem_head(&list);
+ }
+
+ return mergeSubtitles(sanitizer);
+}
+
+/***********************************************************************
+ * syncVideoWork
+ ***********************************************************************
+ *
+ **********************************************************************/
+static int syncVideoWork( hb_work_object_t * w, hb_buffer_t ** buf_in,
+ hb_buffer_t ** buf_out )
+{
+ hb_work_private_t * pv = w->private_data;
+ hb_buffer_t * in = *buf_in;
+
+ if (pv->common->done)
+ {
+ *buf_out = hb_buffer_list_clear(&pv->stream->out_queue);
+ return HB_WORK_DONE;
+ }
+ if (in->s.flags & HB_BUF_FLAG_EOF)
+ {
+ streamFlush(pv->stream);
+ *buf_out = hb_buffer_list_clear(&pv->stream->out_queue);
+ return HB_WORK_DONE;
+ }
+
+ *buf_in = NULL;
+ QueueBuffer(pv->stream, in);
+ Synchronize(pv->common);
+ *buf_out = hb_buffer_list_clear(&pv->stream->out_queue);
+
+ return HB_WORK_OK;
+}
+
+hb_work_object_t hb_sync_video =
+{
+ WORK_SYNC_VIDEO,
+ "Video Synchronization",
+ syncVideoInit,
+ syncVideoWork,
+ syncVideoClose
+};
+
+/***********************************************************************
+ * Close Audio
+ ***********************************************************************
+ *
+ **********************************************************************/
+static void syncAudioClose( hb_work_object_t * w )
+{
+ hb_work_private_t * pv = w->private_data;
+
+ if (pv == NULL)
+ {
+ return;
+ }
+
+ // Free samplerate conversion context
+ if (pv->stream->audio.src.ctx)
+ {
+ src_delete(pv->stream->audio.src.ctx);
+ }
+
+ sync_delta_t * delta;
+ while ((delta = hb_list_item(pv->stream->delta_list, 0)) != NULL)
+ {
+ hb_list_rem(pv->stream->delta_list, delta);
+ free(delta);
+ }
+ hb_list_close(&pv->stream->delta_list);
+ hb_buffer_list_close(&pv->stream->out_queue);
+ hb_list_empty(&pv->stream->in_queue);
+ hb_cond_close(&pv->stream->cond_full);
+ free(pv);
+ w->private_data = NULL;
+}
+
+static int syncAudioInit( hb_work_object_t * w, hb_job_t * job)
+{
+ return 0;
+}
+
+/***********************************************************************
+ * SyncAudio
+ ***********************************************************************
+ *
+ **********************************************************************/
+static int syncAudioWork( hb_work_object_t * w, hb_buffer_t ** buf_in,
+ hb_buffer_t ** buf_out )
+{
+ hb_work_private_t * pv = w->private_data;
+ hb_buffer_t * in = *buf_in;
+
+ if (pv->common->done)
+ {
+ *buf_out = hb_buffer_list_clear(&pv->stream->out_queue);
+ return HB_WORK_DONE;
+ }
+ if (in->s.flags & HB_BUF_FLAG_EOF)
+ {
+ streamFlush(pv->stream);
+ *buf_out = hb_buffer_list_clear(&pv->stream->out_queue);
+ return HB_WORK_DONE;
}
- sync->gain_factor = pow(10, w->audio->config.out.gain / 20);
+ *buf_in = NULL;
+ QueueBuffer(pv->stream, in);
+ Synchronize(pv->common);
+ *buf_out = hb_buffer_list_clear(&pv->stream->out_queue);
+
+ return HB_WORK_OK;
}
-static hb_buffer_t * OutputAudioFrame( hb_audio_t *audio, hb_buffer_t *buf,
- hb_sync_audio_t *sync )
+hb_work_object_t hb_sync_audio =
+{
+ WORK_SYNC_AUDIO,
+ "Audio Synchronization",
+ syncAudioInit,
+ syncAudioWork,
+ syncAudioClose
+};
+
+// FilterAudioFrame is called after audio timestamp discontinuities
+// have all been corrected. So we expect smooth continuous audio
+// here.
+static hb_buffer_t * FilterAudioFrame( sync_stream_t * stream,
+ hb_buffer_t *buf )
{
- int64_t start = (int64_t)sync->next_start;
+ hb_audio_t * audio = stream->audio.audio;
// Can't count of buf->s.stop - buf->s.start for accurate duration
// due to integer rounding, so use buf->s.duration when it is set
// (which should be always if I didn't miss anything)
- double duration;
- if ( buf->s.duration > 0 )
- duration = buf->s.duration;
- else
- duration = buf->s.stop - buf->s.start;
+ if (buf->s.duration <= 0)
+ {
+ buf->s.duration = buf->s.stop - buf->s.start;
+ }
- if ( !( audio->config.out.codec & HB_ACODEC_PASS_FLAG ) )
+ if (!(audio->config.out.codec & HB_ACODEC_PASS_FLAG))
{
+ // TODO: this should all be replaced by an audio filter chain.
+
// Audio is not passthru. Check if we need to modify the audio
// in any way.
- if( audio->config.in.samplerate != audio->config.out.samplerate )
+ if (stream->audio.src.ctx != NULL)
{
/* do sample rate conversion */
int count_in, count_out;
hb_buffer_t * buf_raw = buf;
- int sample_size = hb_mixdown_get_discrete_channel_count( audio->config.out.mixdown ) *
- sizeof( float );
+ int sample_size = hb_mixdown_get_discrete_channel_count(
+ audio->config.out.mixdown ) * sizeof( float );
count_in = buf_raw->size / sample_size;
/*
@@ -1389,35 +1818,35 @@ static hb_buffer_t * OutputAudioFrame( hb_audio_t *audio, hb_buffer_t *buf,
* fractional sample & give it to us when appropriate if we give it
* an extra sample of space in the output buffer.
*/
- count_out = ( duration * audio->config.out.samplerate ) / 90000 + 1;
+ count_out = (buf->s.duration * audio->config.out.samplerate) /
+ 90000 + 1;
- sync->data.input_frames = count_in;
- sync->data.output_frames = count_out;
- sync->data.src_ratio = (double)audio->config.out.samplerate /
- (double)audio->config.in.samplerate;
+ stream->audio.src.pkt.input_frames = count_in;
+ stream->audio.src.pkt.output_frames = count_out;
+ stream->audio.src.pkt.src_ratio =
+ (double)audio->config.out.samplerate /
+ audio->config.in.samplerate;
buf = hb_buffer_init( count_out * sample_size );
- sync->data.data_in = (float *) buf_raw->data;
- sync->data.data_out = (float *) buf->data;
- if( src_process( sync->state, &sync->data ) )
+ buf->s = buf_raw->s;
+ stream->audio.src.pkt.data_in = (float *) buf_raw->data;
+ stream->audio.src.pkt.data_out = (float *) buf->data;
+ if (src_process(stream->audio.src.ctx, &stream->audio.src.pkt))
{
/* XXX If this happens, we're screwed */
- hb_log( "sync: audio 0x%x src_process failed", audio->id );
+ hb_error("sync: audio 0x%x src_process failed", audio->id);
}
- hb_buffer_close( &buf_raw );
+ hb_buffer_close(&buf_raw);
- if (sync->data.output_frames_gen <= 0)
+ if (stream->audio.src.pkt.output_frames_gen <= 0)
{
- // XXX: don't send empty buffers downstream (EOF)
- // possibly out-of-sync audio is better than no audio at all
hb_buffer_close(&buf);
return NULL;
}
- buf->size = sync->data.output_frames_gen * sample_size;
- duration = (double)( sync->data.output_frames_gen * 90000 ) /
- audio->config.out.samplerate;
+ buf->s.duration = 90000. * stream->audio.src.pkt.output_frames_gen /
+ audio->config.out.samplerate;
}
- if( audio->config.out.gain > 0.0 )
+ if (audio->config.out.gain > 0.0)
{
int count, ii;
@@ -1427,7 +1856,7 @@ static hb_buffer_t * OutputAudioFrame( hb_audio_t *audio, hb_buffer_t *buf,
double sample;
sample = (double)*(((float*)buf->data)+ii);
- sample *= sync->gain_factor;
+ sample *= stream->audio.gain_factor;
if (sample > 0)
sample = MIN(sample, 1.0);
else
@@ -1445,7 +1874,7 @@ static hb_buffer_t * OutputAudioFrame( hb_audio_t *audio, hb_buffer_t *buf,
double sample;
sample = (double)*(((float*)buf->data)+ii);
- sample *= sync->gain_factor;
+ sample *= stream->audio.gain_factor;
*(((float*)buf->data)+ii) = sample;
}
}
@@ -1454,127 +1883,57 @@ static hb_buffer_t * OutputAudioFrame( hb_audio_t *audio, hb_buffer_t *buf,
buf->s.type = AUDIO_BUF;
buf->s.frametype = HB_FRAME_AUDIO;
- buf->s.start = start;
- sync->next_start += duration;
- buf->s.stop = (int64_t)sync->next_start;
return buf;
}
-static void InsertSilence( hb_work_object_t * w, int64_t duration )
+static void UpdateState( sync_common_t * common, int frame_count )
{
- hb_work_private_t * pv = w->private_data;
- hb_sync_audio_t *sync = &pv->type.audio;
- hb_buffer_t *buf;
- hb_fifo_t *fifo;
- int frame_dur;
-
- // to keep pass-thru and regular audio in sync we generate silence in
- // frame-sized units. If the silence duration isn't an integer multiple
- // of the frame duration we will truncate or round up depending on
- // which minimizes the timing error.
- if( w->audio->config.out.codec & HB_ACODEC_PASS_FLAG )
- {
- frame_dur = ( 90000 * w->audio->config.in.samples_per_frame ) /
- w->audio->config.in.samplerate;
- }
- else
- {
- frame_dur = ( 90000 * w->audio->config.out.samples_per_frame ) /
- w->audio->config.in.samplerate;
- }
-
- while (duration >= frame_dur >> 2)
- {
- if( w->audio->config.out.codec & HB_ACODEC_PASS_FLAG )
- {
- buf = hb_buffer_init( sync->silence_size );
- buf->s.start = sync->next_start;
- buf->s.stop = buf->s.start + frame_dur;
- memcpy( buf->data, sync->silence_buf, buf->size );
- fifo = w->audio->priv.fifo_out;
- duration -= frame_dur;
- }
- else
- {
- int channel_count = hb_mixdown_get_discrete_channel_count( w->audio->config.out.mixdown );
- int size = sizeof( float ) *
- w->audio->config.out.samples_per_frame *
- channel_count;
- if (frame_dur > duration)
- {
- int samples = duration * w->audio->config.in.samplerate / 90000;
- if (samples == 0)
- {
- break;
- }
- size = sizeof(float) * samples * channel_count;
- frame_dur = (90000 * samples) / w->audio->config.in.samplerate;
- }
- buf = hb_buffer_init(size);
- buf->s.start = sync->next_start;
- buf->s.duration = frame_dur;
- buf->s.stop = buf->s.start + frame_dur;
- memset( buf->data, 0, buf->size );
- fifo = w->audio->priv.fifo_sync;
- duration -= frame_dur;
- }
- buf = OutputAudioFrame( w->audio, buf, sync );
- hb_fifo_push( fifo, buf );
- }
-}
-
-static void UpdateState( hb_work_object_t * w )
-{
- hb_work_private_t * pv = w->private_data;
- hb_sync_video_t * sync = &pv->type.video;
+ hb_job_t * job = common->job;
hb_state_t state;
- hb_get_state2( pv->job->h, &state );
- if ( !pv->common->count_frames )
+ hb_get_state2(job->h, &state);
+ if (frame_count == 0)
{
- sync->st_first = hb_get_date();
- pv->job->st_pause_date = -1;
- pv->job->st_paused = 0;
+ common->st_first = hb_get_date();
+ job->st_pause_date = -1;
+ job->st_paused = 0;
}
- pv->common->count_frames++;
- if (pv->job->indepth_scan)
+ if (job->indepth_scan)
{
// Progress for indept scan is handled by reader
- // pv->common->count_frames is used during indepth_scan
+ // frame_count is used during indepth_scan
// to find start & end points.
return;
}
- if( hb_get_date() > sync->st_dates[3] + 1000 )
+ if (hb_get_date() > common->st_dates[3] + 1000)
{
- memmove( &sync->st_dates[0], &sync->st_dates[1],
+ memmove( &common->st_dates[0], &common->st_dates[1],
3 * sizeof( uint64_t ) );
- memmove( &sync->st_counts[0], &sync->st_counts[1],
+ memmove( &common->st_counts[0], &common->st_counts[1],
3 * sizeof( uint64_t ) );
- sync->st_dates[3] = hb_get_date();
- sync->st_counts[3] = pv->common->count_frames;
+ common->st_dates[3] = hb_get_date();
+ common->st_counts[3] = frame_count;
}
#define p state.param.working
state.state = HB_STATE_WORKING;
- p.progress = (float) pv->common->count_frames / (float) sync->count_frames_max;
- if( p.progress > 1.0 )
+ p.progress = (float)frame_count / common->est_frame_count;
+ if (p.progress > 1.0)
{
p.progress = 1.0;
}
- p.rate_cur = 1000.0 *
- (float) ( sync->st_counts[3] - sync->st_counts[0] ) /
- (float) ( sync->st_dates[3] - sync->st_dates[0] );
- if( hb_get_date() > sync->st_first + 4000 )
+ p.rate_cur = 1000.0 * (common->st_counts[3] - common->st_counts[0]) /
+ (common->st_dates[3] - common->st_dates[0]);
+ if (hb_get_date() > common->st_first + 4000)
{
int eta;
- p.rate_avg = 1000.0 * (float) sync->st_counts[3] /
- (float) ( sync->st_dates[3] - sync->st_first - pv->job->st_paused);
- eta = (float) ( sync->count_frames_max - sync->st_counts[3] ) /
- p.rate_avg;
+ p.rate_avg = 1000.0 * common->st_counts[3] /
+ (common->st_dates[3] - common->st_first - job->st_paused);
+ eta = (common->est_frame_count - common->st_counts[3]) / p.rate_avg;
p.hours = eta / 3600;
- p.minutes = ( eta % 3600 ) / 60;
+ p.minutes = (eta % 3600) / 60;
p.seconds = eta % 60;
}
else
@@ -1586,65 +1945,63 @@ static void UpdateState( hb_work_object_t * w )
}
#undef p
- hb_set_state( pv->job->h, &state );
+ hb_set_state(job->h, &state);
}
-static void UpdateSearchState( hb_work_object_t * w, int64_t start )
+static void UpdateSearchState( sync_common_t * common, int64_t start,
+ int frame_count )
{
- hb_work_private_t * pv = w->private_data;
- hb_sync_video_t * sync = &pv->type.video;
- hb_state_t state;
- uint64_t now;
- double avg;
+ hb_job_t * job = common->job;
+ hb_state_t state;
+ uint64_t now;
+ double avg;
now = hb_get_date();
- if( !pv->common->count_frames )
+ if (frame_count == 0)
{
- sync->st_first = now;
- pv->job->st_pause_date = -1;
- pv->job->st_paused = 0;
+ common->st_first = now;
+ job->st_pause_date = -1;
+ job->st_paused = 0;
}
- pv->common->count_frames++;
- if (pv->job->indepth_scan)
+ if (job->indepth_scan)
{
// Progress for indept scan is handled by reader
- // pv->common->count_frames is used during indepth_scan
+ // frame_count is used during indepth_scan
// to find start & end points.
return;
}
- hb_get_state2(pv->job->h, &state);
+ hb_get_state2(job->h, &state);
#define p state.param.working
state.state = HB_STATE_SEARCHING;
- if ( pv->job->frame_to_start )
- p.progress = (float) pv->common->count_frames /
- (float) pv->job->frame_to_start;
- else if ( pv->job->pts_to_start )
- p.progress = (float) start / (float) pv->job->pts_to_start;
+ if (job->frame_to_start)
+ p.progress = (float)frame_count / job->frame_to_start;
+ else if (job->pts_to_start)
+ p.progress = (float) start / job->pts_to_start;
else
p.progress = 0;
- if( p.progress > 1.0 )
+ if (p.progress > 1.0)
{
p.progress = 1.0;
}
- if (now > sync->st_first)
+ if (now > common->st_first)
{
int eta = 0;
- if ( pv->job->frame_to_start )
+ if (job->frame_to_start)
{
- avg = 1000.0 * (double)pv->common->count_frames / (now - sync->st_first);
- eta = ( pv->job->frame_to_start - pv->common->count_frames ) / avg;
+ avg = 1000.0 * frame_count / (now - common->st_first);
+ eta = (job->frame_to_start - frame_count ) / avg;
}
- else if ( pv->job->pts_to_start )
+ else if (job->pts_to_start)
{
- avg = 1000.0 * (double)start / (now - sync->st_first);
- eta = ( pv->job->pts_to_start - start ) / avg;
+ avg = 1000.0 * start / (now - common->st_first);
+ eta = (job->pts_to_start - start) / avg;
}
p.hours = eta / 3600;
- p.minutes = ( eta % 3600 ) / 60;
+ p.minutes = (eta % 3600) / 60;
p.seconds = eta % 60;
}
else
@@ -1656,25 +2013,82 @@ static void UpdateSearchState( hb_work_object_t * w, int64_t start )
}
#undef p
- hb_set_state( pv->job->h, &state );
+ hb_set_state(job->h, &state);
}
-static void getPtsOffset(hb_work_private_t * pv)
+static int syncSubtitleInit( hb_work_object_t * w, hb_job_t * job )
{
- if (pv->common->pts_offset != INT64_MIN)
+ return 0;
+}
+
+static void syncSubtitleClose( hb_work_object_t * w )
+{
+ hb_work_private_t * pv = w->private_data;
+
+ if (pv == NULL)
+ {
return;
+ }
- int64_t first_pts = INT64_MAX;
- int ii;
- for (ii = 0; ii < pv->common->pts_count; ii++)
+ sync_delta_t * delta;
+ while ((delta = hb_list_item(pv->stream->delta_list, 0)) != NULL)
+ {
+ hb_list_rem(pv->stream->delta_list, delta);
+ free(delta);
+ }
+ hb_list_close(&pv->stream->delta_list);
+ hb_buffer_list_close(&pv->stream->out_queue);
+ hb_list_empty(&pv->stream->in_queue);
+ hb_cond_close(&pv->stream->cond_full);
+ hb_buffer_list_close(&pv->stream->subtitle.sanitizer.list_current);
+ free(pv);
+ w->private_data = NULL;
+}
+
+static int syncSubtitleWork( hb_work_object_t * w, hb_buffer_t ** buf_in,
+ hb_buffer_t ** buf_out )
+{
+ hb_work_private_t * pv = w->private_data;
+ hb_buffer_t * in = *buf_in;
+
+ if (pv->common->done)
+ {
+ hb_buffer_list_append(&pv->stream->out_queue, hb_buffer_eof_init());
+ in = hb_buffer_list_clear(&pv->stream->out_queue);
+ *buf_out = sanitizeSubtitle(&pv->stream->subtitle.sanitizer, in);
+ return HB_WORK_DONE;
+ }
+ if (in->s.flags & HB_BUF_FLAG_EOF)
{
- if (pv->common->last_pts[ii] != AV_NOPTS_VALUE &&
- pv->common->last_pts[ii] < first_pts)
+ streamFlush(pv->stream);
+ in = hb_buffer_list_clear(&pv->stream->out_queue);
+ *buf_out = sanitizeSubtitle(&pv->stream->subtitle.sanitizer, in);
+ if (pv->common->job->indepth_scan)
{
- first_pts = pv->common->last_pts[ii];
+ // When doing subtitle indepth scan, the pipeline ends at sync.
+ // Terminate job when EOF reached.
+ *w->done = 1;
}
+ return HB_WORK_DONE;
+ }
+
+ *buf_in = NULL;
+ QueueBuffer(pv->stream, in);
+ Synchronize(pv->common);
+ in = hb_buffer_list_clear(&pv->stream->out_queue);
+ if (in != NULL)
+ {
+ *buf_out = sanitizeSubtitle(&pv->stream->subtitle.sanitizer, in);
}
- pv->common->video_pts_slip = pv->common->audio_pts_slip =
- pv->common->pts_offset = first_pts;
- return;
+
+ return HB_WORK_OK;
}
+
+hb_work_object_t hb_sync_subtitle =
+{
+ WORK_SYNC_SUBTITLE,
+ "Subitle Synchronization",
+ syncSubtitleInit,
+ syncSubtitleWork,
+ syncSubtitleClose
+};
diff --git a/libhb/vfr.c b/libhb/vfr.c
index 50eddd0e7..b1ba3196a 100644
--- a/libhb/vfr.c
+++ b/libhb/vfr.c
@@ -501,7 +501,7 @@ static int hb_vfr_work( hb_filter_object_t * filter,
// If there is a gap between the last stop and the current start
// then frame(s) were dropped.
- if ( in->s.start > pv->last_stop[0] )
+ if (hb_fifo_size(pv->delay_queue) > 0 && in->s.start > pv->last_stop[0])
{
/* We need to compensate for the time lost by dropping frame(s).
Spread its duration out in quarters, because usually dropped frames
diff --git a/libhb/work.c b/libhb/work.c
index 31e4cad96..1ed356dd1 100644
--- a/libhb/work.c
+++ b/libhb/work.c
@@ -169,13 +169,11 @@ hb_work_object_t* hb_audio_decoder(hb_handle_t *h, int codec)
if (codec & HB_ACODEC_FF_MASK)
{
w = hb_get_work(h, WORK_DECAVCODEC);
- w->yield = 1; // decoders yield to keep sync fifos more even
}
switch (codec)
{
case HB_ACODEC_LPCM:
w = hb_get_work(h, WORK_DECLPCM);
- w->yield = 1; // decoders yield to keep sync fifos more even
break;
default:
break;
@@ -1570,7 +1568,6 @@ static void do_job(hb_job_t *job)
*job->die = 1;
goto cleanup;
}
- w->yield = 1; // decoders yield to keep sync fifos more even
w->fifo_in = job->fifo_mpeg2;
w->fifo_out = job->fifo_raw;
hb_list_add(job->list_work, w);
@@ -1868,10 +1865,6 @@ void hb_work_loop( void * _w )
}
}
}
- if (w->yield)
- {
- hb_yield();
- }
}
if ( buf_out )
{