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-rw-r--r--libhb/muxavformat.c1239
1 files changed, 1239 insertions, 0 deletions
diff --git a/libhb/muxavformat.c b/libhb/muxavformat.c
new file mode 100644
index 000000000..7053c6dc6
--- /dev/null
+++ b/libhb/muxavformat.c
@@ -0,0 +1,1239 @@
+/* muxavformat.c
+
+ Copyright (c) 2003-2013 HandBrake Team
+ This file is part of the HandBrake source code
+ Homepage: <http://handbrake.fr/>.
+ It may be used under the terms of the GNU General Public License v2.
+ For full terms see the file COPYING file or visit http://www.gnu.org/licenses/gpl-2.0.html
+ */
+
+#if defined(USE_AVFORMAT)
+
+#include <ogg/ogg.h>
+#include "libavformat/avformat.h"
+#include "libavutil/avstring.h"
+#include "libavutil/intreadwrite.h"
+
+#include "hb.h"
+#include "lang.h"
+
+struct hb_mux_data_s
+{
+ enum
+ {
+ MUX_TYPE_VIDEO,
+ MUX_TYPE_AUDIO,
+ MUX_TYPE_SUBTITLE
+ } type;
+
+ AVStream *st;
+
+ int64_t duration;
+
+ hb_buffer_t * delay_buf;
+
+ int64_t prev_chapter_tc;
+ int16_t current_chapter;
+};
+
+struct hb_mux_object_s
+{
+ HB_MUX_COMMON;
+
+ hb_job_t * job;
+
+ AVFormatContext * oc;
+ AVRational time_base;
+
+ int ntracks;
+ hb_mux_data_t ** tracks;
+
+ int delay;
+};
+
+enum
+{
+ META_TITLE,
+ META_ARTIST,
+ META_DIRECTOR,
+ META_COMPOSER,
+ META_RELEASE_DATE,
+ META_COMMENT,
+ META_ALBUM,
+ META_GENRE,
+ META_DESCRIPTION,
+ META_SYNOPSIS,
+ META_LAST
+};
+
+enum
+{
+ META_MUX_MP4,
+ META_MUX_MKV,
+ META_MUX_LAST
+};
+
+const char *metadata_keys[META_LAST][META_MUX_LAST] =
+{
+ {"title", "TITLE"},
+ {"artist", "ARTIST"},
+ {"album_artist", "DIRECTOR"},
+ {"composer", "COMPOSER"},
+ {"date", "DATE_RELEASED"},
+ {"comment", "SUMMARY"},
+ {"album", NULL},
+ {"genre", "GENRE"},
+ {"description", "DESCRIPTION"},
+ {"synopsis", "SYNOPSIS"}
+};
+
+static char* lookup_lang_code(int mux, char *iso639_2)
+{
+ iso639_lang_t *lang;
+ char *out = NULL;
+
+ switch (mux)
+ {
+ case HB_MUX_AV_MP4:
+ out = iso639_2;
+ break;
+ case HB_MUX_AV_MKV:
+ // MKV lang codes should be ISO-639-2B if it exists,
+ // else ISO-639-2
+ lang = lang_for_code2( iso639_2 );
+ out = lang->iso639_2b ? lang->iso639_2b : lang->iso639_2;
+ break;
+ default:
+ break;
+ }
+ return out;
+}
+
+/**********************************************************************
+ * avformatInit
+ **********************************************************************
+ * Allocates hb_mux_data_t structures, create file and write headers
+ *********************************************************************/
+static int avformatInit( hb_mux_object_t * m )
+{
+ hb_job_t * job = m->job;
+ hb_audio_t * audio;
+ hb_mux_data_t * track;
+ int meta_mux;
+ int max_tracks;
+ int ii, ret;
+
+ const char *muxer_name = NULL;
+
+ uint8_t default_track_flag = 1;
+ uint8_t need_fonts = 0;
+ char *lang;
+
+
+ m->delay = -1;
+ max_tracks = 1 + hb_list_count( job->list_audio ) +
+ hb_list_count( job->list_subtitle );
+
+ m->tracks = calloc(max_tracks, sizeof(hb_mux_data_t*));
+
+ m->oc = avformat_alloc_context();
+ if (m->oc == NULL)
+ {
+ hb_error( "Could not initialize avformat context." );
+ goto error;
+ }
+
+ switch (job->mux)
+ {
+ case HB_MUX_AV_MP4:
+ m->time_base.num = 1;
+ m->time_base.den = 90000;
+ if( job->ipod_atom )
+ muxer_name = "ipod";
+ else
+ muxer_name = "mp4";
+ meta_mux = META_MUX_MP4;
+ break;
+
+ case HB_MUX_AV_MKV:
+ // libavformat is essentially hard coded such that it only
+ // works with a timebase of 1/1000
+ m->time_base.num = 1;
+ m->time_base.den = 1000;
+ muxer_name = "matroska";
+ meta_mux = META_MUX_MKV;
+ break;
+
+ default:
+ {
+ hb_error("Invalid Mux %x", job->mux);
+ goto error;
+ }
+ }
+ m->oc->oformat = av_guess_format(muxer_name, NULL, NULL);
+ if(m->oc->oformat == NULL)
+ {
+ hb_error("Could not guess output format %s", muxer_name);
+ goto error;
+ }
+ av_strlcpy(m->oc->filename, job->file, sizeof(m->oc->filename));
+ ret = avio_open2(&m->oc->pb, job->file, AVIO_FLAG_WRITE,
+ &m->oc->interrupt_callback, NULL);
+ if( ret < 0 )
+ {
+ hb_error( "avio_open2 failed!");
+ goto error;
+ }
+
+ /* Video track */
+ track = m->tracks[m->ntracks++] = calloc(1, sizeof( hb_mux_data_t ) );
+ job->mux_data = track;
+
+ track->type = MUX_TYPE_VIDEO;
+ track->st = avformat_new_stream(m->oc, NULL);
+ if (track->st == NULL)
+ {
+ hb_error("Could not initialize video stream");
+ goto error;
+ }
+ track->st->time_base = m->time_base;
+ avcodec_get_context_defaults3(track->st->codec, NULL);
+
+ track->st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
+ track->st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
+
+ uint8_t *priv_data = NULL;
+ int priv_size = 0;
+ switch (job->vcodec)
+ {
+ case HB_VCODEC_X264:
+ track->st->codec->codec_id = AV_CODEC_ID_H264;
+
+ /* Taken from x264 muxers.c */
+ priv_size = 5 + 1 + 2 + job->config.h264.sps_length + 1 + 2 +
+ job->config.h264.pps_length;
+ priv_data = av_malloc(priv_size);
+ if (priv_data == NULL)
+ {
+ hb_error("malloc failure");
+ goto error;
+ }
+
+ priv_data[0] = 1;
+ priv_data[1] = job->config.h264.sps[1]; /* AVCProfileIndication */
+ priv_data[2] = job->config.h264.sps[2]; /* profile_compat */
+ priv_data[3] = job->config.h264.sps[3]; /* AVCLevelIndication */
+ priv_data[4] = 0xff; // nalu size length is four bytes
+ priv_data[5] = 0xe1; // one sps
+
+ priv_data[6] = job->config.h264.sps_length >> 8;
+ priv_data[7] = job->config.h264.sps_length;
+
+ memcpy(priv_data+8, job->config.h264.sps,
+ job->config.h264.sps_length);
+
+ priv_data[8+job->config.h264.sps_length] = 1; // one pps
+ priv_data[9+job->config.h264.sps_length] =
+ job->config.h264.pps_length >> 8;
+ priv_data[10+job->config.h264.sps_length] =
+ job->config.h264.pps_length;
+
+ memcpy(priv_data+11+job->config.h264.sps_length,
+ job->config.h264.pps, job->config.h264.pps_length );
+ break;
+
+ case HB_VCODEC_FFMPEG_MPEG4:
+ track->st->codec->codec_id = AV_CODEC_ID_MPEG4;
+
+ if (job->config.mpeg4.length != 0)
+ {
+ priv_size = job->config.mpeg4.length;
+ priv_data = av_malloc(priv_size);
+ if (priv_data == NULL)
+ {
+ hb_error("malloc failure");
+ goto error;
+ }
+ memcpy(priv_data, job->config.mpeg4.bytes, priv_size);
+ }
+ break;
+
+ case HB_VCODEC_FFMPEG_MPEG2:
+ track->st->codec->codec_id = AV_CODEC_ID_MPEG2VIDEO;
+
+ if (job->config.mpeg4.length != 0)
+ {
+ priv_size = job->config.mpeg4.length;
+ priv_data = av_malloc(priv_size);
+ if (priv_data == NULL)
+ {
+ hb_error("malloc failure");
+ goto error;
+ }
+ memcpy(priv_data, job->config.mpeg4.bytes, priv_size);
+ }
+ break;
+
+ case HB_VCODEC_THEORA:
+ {
+ track->st->codec->codec_id = AV_CODEC_ID_THEORA;
+
+ int size = 0;
+ ogg_packet *ogg_headers[3];
+
+ for (ii = 0; ii < 3; ii++)
+ {
+ ogg_headers[ii] = (ogg_packet *)job->config.theora.headers[ii];
+ size += ogg_headers[ii]->bytes + 2;
+ }
+
+ priv_size = size;
+ priv_data = av_malloc(priv_size);
+ if (priv_data == NULL)
+ {
+ hb_error("malloc failure");
+ goto error;
+ }
+
+ size = 0;
+ for(ii = 0; ii < 3; ii++)
+ {
+ AV_WB16(priv_data + size, ogg_headers[ii]->bytes);
+ size += 2;
+ memcpy(priv_data+size, ogg_headers[ii]->packet,
+ ogg_headers[ii]->bytes);
+ size += ogg_headers[ii]->bytes;
+ }
+ } break;
+
+ default:
+ hb_error("muxavformat: Unknown video codec: %x", job->vcodec);
+ goto error;
+ }
+ track->st->codec->extradata = priv_data;
+ track->st->codec->extradata_size = priv_size;
+
+ track->st->codec->width = job->width;
+ track->st->codec->height = job->height;
+ track->st->sample_aspect_ratio.num = job->anamorphic.par_width;
+ track->st->sample_aspect_ratio.den = job->anamorphic.par_height;
+ track->st->codec->sample_aspect_ratio.num = job->anamorphic.par_width;
+ track->st->codec->sample_aspect_ratio.den = job->anamorphic.par_height;
+ track->st->disposition |= AV_DISPOSITION_DEFAULT;
+
+ int vrate_base, vrate;
+ if( job->pass == 2 )
+ {
+ hb_interjob_t * interjob = hb_interjob_get( job->h );
+ vrate_base = interjob->vrate_base;
+ vrate = interjob->vrate;
+ }
+ else
+ {
+ vrate_base = job->vrate_base;
+ vrate = job->vrate;
+ }
+
+ // If the vrate is 27000000, there's a good chance this is
+ // a standard rate that we have in our hb_video_rates table.
+ // Because of rounding errors and approximations made while
+ // measuring framerate, the actual value may not be exact. So
+ // we look for rates that are "close" and make an adjustment
+ // to fps.den.
+ if (vrate == 27000000)
+ {
+ const hb_rate_t *video_framerate = NULL;
+ while ((video_framerate = hb_video_framerate_get_next(video_framerate)) != NULL)
+ {
+ if (abs(vrate_base - video_framerate->rate) < 10)
+ {
+ vrate_base = video_framerate->rate;
+ break;
+ }
+ }
+ }
+ hb_reduce(&vrate_base, &vrate, vrate_base, vrate);
+ if (job->mux == HB_MUX_AV_MP4)
+ {
+ // libavformat mp4 muxer requires that the codec time_base have the
+ // same denominator as the stream time_base, it uses it for the
+ // mdhd timescale.
+ double scale = (double)track->st->time_base.den / vrate;
+ track->st->codec->time_base.den = track->st->time_base.den;
+ track->st->codec->time_base.num = vrate_base * scale;
+ }
+ else
+ {
+ track->st->codec->time_base.num = vrate_base;
+ track->st->codec->time_base.den = vrate;
+ }
+
+ /* add the audio tracks */
+ for(ii = 0; ii < hb_list_count( job->list_audio ); ii++ )
+ {
+ audio = hb_list_item( job->list_audio, ii );
+ track = m->tracks[m->ntracks++] = calloc(1, sizeof( hb_mux_data_t ) );
+ audio->priv.mux_data = track;
+
+ track->type = MUX_TYPE_AUDIO;
+
+ track->st = avformat_new_stream(m->oc, NULL);
+ if (track->st == NULL)
+ {
+ hb_error("Could not initialize audio stream");
+ goto error;
+ }
+ avcodec_get_context_defaults3(track->st->codec, NULL);
+
+ track->st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
+ track->st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
+ if (job->mux == HB_MUX_AV_MP4)
+ {
+ track->st->codec->time_base.num = audio->config.out.samples_per_frame;
+ track->st->codec->time_base.den = audio->config.out.samplerate;
+ track->st->time_base.num = 1;
+ track->st->time_base.den = audio->config.out.samplerate;
+ }
+ else
+ {
+ track->st->codec->time_base = m->time_base;
+ }
+
+ priv_data = NULL;
+ priv_size = 0;
+ switch (audio->config.out.codec & HB_ACODEC_MASK)
+ {
+ case HB_ACODEC_DCA:
+ case HB_ACODEC_DCA_HD:
+ track->st->codec->codec_id = AV_CODEC_ID_DTS;
+ break;
+ case HB_ACODEC_AC3:
+ track->st->codec->codec_id = AV_CODEC_ID_AC3;
+ break;
+ case HB_ACODEC_LAME:
+ case HB_ACODEC_MP3:
+ track->st->codec->codec_id = AV_CODEC_ID_MP3;
+ break;
+ case HB_ACODEC_VORBIS:
+ {
+ track->st->codec->codec_id = AV_CODEC_ID_VORBIS;
+
+ int jj, size = 0;
+ ogg_packet *ogg_headers[3];
+
+ for (jj = 0; jj < 3; jj++)
+ {
+ ogg_headers[jj] = (ogg_packet *)audio->priv.config.vorbis.headers[jj];
+ size += ogg_headers[jj]->bytes + 2;
+ }
+
+ priv_size = size;
+ priv_data = av_malloc(priv_size);
+ if (priv_data == NULL)
+ {
+ hb_error("malloc failure");
+ goto error;
+ }
+
+ size = 0;
+ for(jj = 0; jj < 3; jj++)
+ {
+ AV_WB16(priv_data + size, ogg_headers[jj]->bytes);
+ size += 2;
+ memcpy(priv_data+size, ogg_headers[jj]->packet,
+ ogg_headers[jj]->bytes);
+ size += ogg_headers[jj]->bytes;
+ }
+ } break;
+ case HB_ACODEC_FFFLAC:
+ case HB_ACODEC_FFFLAC24:
+ track->st->codec->codec_id = AV_CODEC_ID_FLAC;
+
+ if (audio->priv.config.extradata.bytes)
+ {
+ priv_size = audio->priv.config.extradata.length;
+ priv_data = av_malloc(priv_size);
+ if (priv_data == NULL)
+ {
+ hb_error("malloc failure");
+ goto error;
+ }
+ memcpy(priv_data,
+ audio->priv.config.extradata.bytes,
+ audio->priv.config.extradata.length);
+ }
+ break;
+ case HB_ACODEC_FAAC:
+ case HB_ACODEC_FFAAC:
+ case HB_ACODEC_CA_AAC:
+ case HB_ACODEC_CA_HAAC:
+ case HB_ACODEC_FDK_AAC:
+ case HB_ACODEC_FDK_HAAC:
+ track->st->codec->codec_id = AV_CODEC_ID_AAC;
+
+ if (audio->priv.config.extradata.bytes)
+ {
+ priv_size = audio->priv.config.extradata.length;
+ priv_data = av_malloc(priv_size);
+ if (priv_data == NULL)
+ {
+ hb_error("malloc failure");
+ goto error;
+ }
+ memcpy(priv_data,
+ audio->priv.config.extradata.bytes,
+ audio->priv.config.extradata.length);
+ }
+ break;
+ default:
+ hb_error("muxavformat: Unknown audio codec: %x",
+ audio->config.out.codec);
+ goto error;
+ }
+ track->st->codec->extradata = priv_data;
+ track->st->codec->extradata_size = priv_size;
+
+ if( default_track_flag )
+ {
+ track->st->disposition |= AV_DISPOSITION_DEFAULT;
+ default_track_flag = 0;
+ }
+
+ lang = lookup_lang_code(job->mux, audio->config.lang.iso639_2 );
+ if (lang != NULL)
+ {
+ av_dict_set(&track->st->metadata, "language", lang, 0);
+ }
+ track->st->codec->sample_rate = audio->config.out.samplerate;
+ if (audio->config.out.codec & HB_ACODEC_PASS_FLAG)
+ {
+ track->st->codec->channels = av_get_channel_layout_nb_channels(audio->config.in.channel_layout);
+ track->st->codec->channel_layout = audio->config.in.channel_layout;
+ }
+ else
+ {
+ track->st->codec->channels = hb_mixdown_get_discrete_channel_count(audio->config.out.mixdown);
+ track->st->codec->channel_layout = hb_ff_mixdown_xlat(audio->config.out.mixdown, NULL);
+ }
+
+ char *name;
+ if (audio->config.out.name == NULL)
+ {
+ switch (track->st->codec->channels)
+ {
+ case 1:
+ name = "Mono";
+ break;
+
+ case 2:
+ name = "Stereo";
+ break;
+
+ default:
+ name = "Surround";
+ break;
+ }
+ }
+ else
+ {
+ name = audio->config.out.name;
+ }
+ av_dict_set(&track->st->metadata, "title", name, 0);
+ }
+
+ char * subidx_fmt =
+ "size: %dx%d\n"
+ "org: %d, %d\n"
+ "scale: 100%%, 100%%\n"
+ "alpha: 100%%\n"
+ "smooth: OFF\n"
+ "fadein/out: 50, 50\n"
+ "align: OFF at LEFT TOP\n"
+ "time offset: 0\n"
+ "forced subs: %s\n"
+ "palette: %06x, %06x, %06x, %06x, %06x, %06x, "
+ "%06x, %06x, %06x, %06x, %06x, %06x, %06x, %06x, %06x, %06x\n"
+ "custom colors: OFF, tridx: 0000, "
+ "colors: 000000, 000000, 000000, 000000\n";
+
+ int subtitle_default = -1;
+ for( ii = 0; ii < hb_list_count( job->list_subtitle ); ii++ )
+ {
+ hb_subtitle_t *subtitle = hb_list_item( job->list_subtitle, ii );
+
+ if( subtitle->config.dest == PASSTHRUSUB )
+ {
+ if ( subtitle->config.default_track )
+ subtitle_default = ii;
+ }
+ }
+ // Quicktime requires that at least one subtitle is enabled,
+ // else it doesn't show any of the subtitles.
+ // So check to see if any of the subtitles are flagged to be
+ // the defualt. The default will the the enabled track, else
+ // enable the first track.
+ if (job->mux == HB_MUX_AV_MP4 && subtitle_default == -1)
+ {
+ subtitle_default = 0;
+ }
+
+ for( ii = 0; ii < hb_list_count( job->list_subtitle ); ii++ )
+ {
+ hb_subtitle_t * subtitle;
+ uint32_t rgb[16];
+ char subidx[2048];
+ int len;
+
+ subtitle = hb_list_item( job->list_subtitle, ii );
+ if (subtitle->config.dest != PASSTHRUSUB)
+ continue;
+
+ track = m->tracks[m->ntracks++] = calloc(1, sizeof( hb_mux_data_t ) );
+ subtitle->mux_data = track;
+
+ track->type = MUX_TYPE_SUBTITLE;
+ track->st = avformat_new_stream(m->oc, NULL);
+ if (track->st == NULL)
+ {
+ hb_error("Could not initialize subtitle stream");
+ goto error;
+ }
+ avcodec_get_context_defaults3(track->st->codec, NULL);
+
+ track->st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
+ track->st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
+ track->st->time_base = m->time_base;
+ track->st->codec->time_base = m->time_base;
+ track->st->codec->width = subtitle->width;
+ track->st->codec->height = subtitle->height;
+
+ priv_data = NULL;
+ priv_size = 0;
+ switch (subtitle->source)
+ {
+ case VOBSUB:
+ {
+ int jj;
+ track->st->codec->codec_id = AV_CODEC_ID_DVD_SUBTITLE;
+
+ for (jj = 0; jj < 16; jj++)
+ rgb[jj] = hb_yuv2rgb(subtitle->palette[jj]);
+ len = snprintf(subidx, 2048, subidx_fmt,
+ subtitle->width, subtitle->height,
+ 0, 0, "OFF",
+ rgb[0], rgb[1], rgb[2], rgb[3],
+ rgb[4], rgb[5], rgb[6], rgb[7],
+ rgb[8], rgb[9], rgb[10], rgb[11],
+ rgb[12], rgb[13], rgb[14], rgb[15]);
+
+ priv_size = len + 1;
+ priv_data = av_malloc(priv_size);
+ if (priv_data == NULL)
+ {
+ hb_error("malloc failure");
+ goto error;
+ }
+ memcpy(priv_data, subidx, priv_size);
+ } break;
+
+ case PGSSUB:
+ {
+ track->st->codec->codec_id = AV_CODEC_ID_HDMV_PGS_SUBTITLE;
+ } break;
+
+ case SSASUB:
+ {
+ if (job->mux == HB_MUX_AV_MP4)
+ {
+ track->st->codec->codec_id = AV_CODEC_ID_MOV_TEXT;
+ }
+ else
+ {
+ track->st->codec->codec_id = AV_CODEC_ID_SSA;
+ need_fonts = 1;
+
+ if (subtitle->extradata_size)
+ {
+ priv_size = subtitle->extradata_size;
+ priv_data = av_malloc(priv_size);
+ if (priv_data == NULL)
+ {
+ hb_error("malloc failure");
+ goto error;
+ }
+ memcpy(priv_data, subtitle->extradata, priv_size);
+ }
+ }
+ } break;
+
+ case CC608SUB:
+ case CC708SUB:
+ case UTF8SUB:
+ case TX3GSUB:
+ case SRTSUB:
+ {
+ if (job->mux == HB_MUX_AV_MP4)
+ track->st->codec->codec_id = AV_CODEC_ID_MOV_TEXT;
+ else
+ track->st->codec->codec_id = AV_CODEC_ID_TEXT;
+ } break;
+
+ default:
+ continue;
+ }
+ if (track->st->codec->codec_id == AV_CODEC_ID_MOV_TEXT)
+ {
+ // Build codec extradata for tx3g.
+ // If we were using a libav codec to generate this data
+ // this would (or should) be done for us.
+ uint8_t properties[] = {
+ 0x00, 0x00, 0x00, 0x00, // Display Flags
+ 0x01, // Horiz. Justification
+ 0xff, // Vert. Justification
+ 0x00, 0x00, 0x00, 0xff, // Bg color
+ 0x00, 0x00, 0x00, 0x00, // Default text box
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, // Reserved
+ 0x00, 0x01, // Font ID
+ 0x00, // Font face
+ 0x18, // Font size
+ 0xff, 0xff, 0xff, 0xff, // Fg color
+ // Font table:
+ 0x00, 0x00, 0x00, 0x12, // Font table size
+ 'f','t','a','b', // Tag
+ 0x00, 0x01, // Count
+ 0x00, 0x01, // Font ID
+ 0x05, // Font name length
+ 'A','r','i','a','l' // Font name
+ };
+
+ int width, height = 60;
+ if (job->anamorphic.mode)
+ width = job->width * ((float)job->anamorphic.par_width / job->anamorphic.par_height);
+ else
+ width = job->width;
+ track->st->codec->width = width;
+ track->st->codec->height = height;
+ properties[14] = height >> 8;
+ properties[15] = height & 0xff;
+ properties[16] = width >> 8;
+ properties[17] = width & 0xff;
+
+ priv_size = sizeof(properties);
+ priv_data = av_malloc(priv_size);
+ if (priv_data == NULL)
+ {
+ hb_error("malloc failure");
+ goto error;
+ }
+ memcpy(priv_data, properties, priv_size);
+ }
+ track->st->codec->extradata = priv_data;
+ track->st->codec->extradata_size = priv_size;
+
+ if ( ii == subtitle_default )
+ {
+ track->st->disposition |= AV_DISPOSITION_DEFAULT;
+ }
+
+ lang = lookup_lang_code(job->mux, subtitle->iso639_2 );
+ if (lang != NULL)
+ {
+ av_dict_set(&track->st->metadata, "language", lang, 0);
+ }
+ }
+
+ if (need_fonts)
+ {
+ hb_list_t * list_attachment = job->list_attachment;
+ int i;
+ for ( i = 0; i < hb_list_count(list_attachment); i++ )
+ {
+ hb_attachment_t * attachment = hb_list_item( list_attachment, i );
+
+ if (attachment->type == FONT_TTF_ATTACH &&
+ attachment->size > 0)
+ {
+ AVStream *st = avformat_new_stream(m->oc, NULL);
+ if (st == NULL)
+ {
+ hb_error("Could not initialize attachment stream");
+ goto error;
+ }
+ avcodec_get_context_defaults3(st->codec, NULL);
+
+ st->codec->codec_type = AVMEDIA_TYPE_ATTACHMENT;
+ track->st->codec->codec_id = AV_CODEC_ID_TTF;
+
+ priv_size = attachment->size;
+ priv_data = av_malloc(priv_size);
+ if (priv_data == NULL)
+ {
+ hb_error("malloc failure");
+ goto error;
+ }
+ memcpy(priv_data, attachment->data, priv_size);
+
+ track->st->codec->extradata = priv_data;
+ track->st->codec->extradata_size = priv_size;
+
+ av_dict_set(&st->metadata, "filename", attachment->name, 0);
+ }
+ }
+ }
+
+ if( job->metadata )
+ {
+ hb_metadata_t *md = job->metadata;
+
+ hb_deep_log(2, "Writing Metadata to output file...");
+ if (md->name &&
+ metadata_keys[META_TITLE][meta_mux] != NULL)
+ {
+ av_dict_set(&m->oc->metadata,
+ metadata_keys[META_TITLE][meta_mux], md->name, 0);
+ }
+ if (md->artist &&
+ metadata_keys[META_ARTIST][meta_mux] != NULL)
+ {
+ av_dict_set(&m->oc->metadata,
+ metadata_keys[META_ARTIST][meta_mux], md->artist, 0);
+ }
+ if (md->album_artist &&
+ metadata_keys[META_DIRECTOR][meta_mux] != NULL)
+ {
+ av_dict_set(&m->oc->metadata,
+ metadata_keys[META_DIRECTOR][meta_mux],
+ md->album_artist, 0);
+ }
+ if (md->composer &&
+ metadata_keys[META_COMPOSER][meta_mux] != NULL)
+ {
+ av_dict_set(&m->oc->metadata,
+ metadata_keys[META_COMPOSER][meta_mux],
+ md->composer, 0);
+ }
+ if (md->release_date &&
+ metadata_keys[META_RELEASE_DATE][meta_mux] != NULL)
+ {
+ av_dict_set(&m->oc->metadata,
+ metadata_keys[META_RELEASE_DATE][meta_mux],
+ md->release_date, 0);
+ }
+ if (md->comment &&
+ metadata_keys[META_COMMENT][meta_mux] != NULL)
+ {
+ av_dict_set(&m->oc->metadata,
+ metadata_keys[META_COMMENT][meta_mux], md->comment, 0);
+ }
+ if (!md->name && md->album &&
+ metadata_keys[META_ALBUM][meta_mux] != NULL)
+ {
+ av_dict_set(&m->oc->metadata,
+ metadata_keys[META_ALBUM][meta_mux], md->album, 0);
+ }
+ if (md->genre &&
+ metadata_keys[META_GENRE][meta_mux] != NULL)
+ {
+ av_dict_set(&m->oc->metadata,
+ metadata_keys[META_GENRE][meta_mux], md->genre, 0);
+ }
+ if (md->description &&
+ metadata_keys[META_DESCRIPTION][meta_mux] != NULL)
+ {
+ av_dict_set(&m->oc->metadata,
+ metadata_keys[META_DESCRIPTION][meta_mux],
+ md->description, 0);
+ }
+ if (md->long_description &&
+ metadata_keys[META_SYNOPSIS][meta_mux] != NULL)
+ {
+ av_dict_set(&m->oc->metadata,
+ metadata_keys[META_SYNOPSIS][meta_mux],
+ md->long_description, 0);
+ }
+ }
+
+ AVDictionary * av_opts = NULL;
+ if (job->mp4_optimize && (job->mux & HB_MUX_MASK_MP4))
+ av_dict_set( &av_opts, "movflags", "faststart", 0 );
+
+ ret = avformat_write_header(m->oc, &av_opts);
+ if( ret < 0 )
+ {
+ av_dict_free( &av_opts );
+ hb_error( "muxavformat: avformat_write_header failed!");
+ goto error;
+ }
+
+ AVDictionaryEntry *t = NULL;
+ while( ( t = av_dict_get( av_opts, "", t, AV_DICT_IGNORE_SUFFIX ) ) )
+ {
+ hb_log( "muxavformat: Unknown option %s", t->key );
+ }
+ av_dict_free( &av_opts );
+
+ return 0;
+
+error:
+ free(job->mux_data);
+ job->mux_data = NULL;
+ avformat_free_context(m->oc);
+ *job->die = 1;
+ return -1;
+}
+
+static int add_chapter(hb_mux_object_t *m, int64_t start, int64_t end, char * title)
+{
+ AVChapter *chap;
+ AVChapter **chapters;
+ int nchap = m->oc->nb_chapters;
+
+ nchap++;
+ chapters = av_realloc(m->oc->chapters, nchap * sizeof(AVChapter*));
+ if (chapters == NULL)
+ {
+ hb_error("malloc failure");
+ return -1;
+ }
+
+ chap = av_mallocz(sizeof(AVChapter));
+ if (chap == NULL)
+ {
+ hb_error("malloc failure");
+ return -1;
+ }
+
+ m->oc->chapters = chapters;
+ m->oc->chapters[nchap-1] = chap;
+ m->oc->nb_chapters = nchap;
+
+ chap->id = nchap;
+ chap->time_base = m->time_base;
+ chap->start = start;
+ chap->end = end;
+ av_dict_set(&chap->metadata, "title", title, 0);
+
+ return 0;
+}
+
+// Video with b-frames and certain audio types require a lead-in delay.
+// Compute the max delay and offset all timestamps by this amount.
+//
+// For mp4, avformat will automatically put entries in the edts atom
+// to account for the offset of the first dts in each track.
+static void computeDelay(hb_mux_object_t *m)
+{
+ int ii;
+ hb_audio_t * audio;
+
+ m->delay = m->job->config.h264.init_delay;
+ for(ii = 0; ii < hb_list_count( m->job->list_audio ); ii++ )
+ {
+ audio = hb_list_item( m->job->list_audio, ii );
+ if (audio->config.out.delay > m->delay)
+ m->delay = audio->config.out.delay;
+ }
+}
+
+static int avformatMux(hb_mux_object_t *m, hb_mux_data_t *track, hb_buffer_t *buf)
+{
+ AVPacket pkt;
+ int64_t dts, pts, duration = -1;
+ hb_job_t *job = m->job;
+ uint8_t tx3g_out[2048];
+
+ if (m->delay == -1)
+ {
+ computeDelay(m);
+ }
+
+ if (buf != NULL)
+ {
+ if (buf->s.start != -1)
+ buf->s.start += m->delay;
+ if (buf->s.renderOffset != -1)
+ buf->s.renderOffset += m->delay;
+ }
+
+ // We only compute dts duration for MP4 files
+ if (track->type == MUX_TYPE_VIDEO && (job->mux & HB_MUX_MASK_MP4))
+ {
+ hb_buffer_t * tmp;
+
+ // delay by one frame so that we can compute duration properly.
+ tmp = track->delay_buf;
+ track->delay_buf = buf;
+ buf = tmp;
+ }
+ if (buf == NULL)
+ return 0;
+
+ if (buf->s.renderOffset == -1)
+ {
+ dts = av_rescale_q(buf->s.start, (AVRational){1,90000},
+ track->st->time_base);
+ }
+ else
+ {
+ dts = av_rescale_q(buf->s.renderOffset, (AVRational){1,90000},
+ track->st->time_base);
+ }
+
+ pts = av_rescale_q(buf->s.start, (AVRational){1,90000},
+ track->st->time_base);
+
+ if (track->type == MUX_TYPE_VIDEO && track->delay_buf != NULL)
+ {
+ int64_t delayed_dts;
+ delayed_dts = av_rescale_q(track->delay_buf->s.renderOffset,
+ (AVRational){1,90000},
+ track->st->time_base);
+ duration = delayed_dts - dts;
+ }
+ if (duration < 0 && buf->s.duration > 0)
+ {
+ duration = av_rescale_q(buf->s.duration, (AVRational){1,90000},
+ track->st->time_base);
+ }
+ if (duration < 0)
+ {
+ // There is a possiblility that some subtitles get through the pipeline
+ // without ever discovering their true duration. Make the duration
+ // 10 seconds in this case.
+ if (track->type == MUX_TYPE_SUBTITLE)
+ duration = av_rescale_q(10, (AVRational){1,1},
+ track->st->time_base);
+ else
+ duration = 0;
+ }
+
+ av_init_packet(&pkt);
+ pkt.data = buf->data;
+ pkt.size = buf->size;
+ pkt.dts = dts;
+ pkt.pts = pts;
+ pkt.duration = duration;
+
+ if (track->type == MUX_TYPE_VIDEO &&
+ (job->vcodec == HB_VCODEC_X264 || job->vcodec & HB_VCODEC_FFMPEG_MASK))
+ {
+ if (buf->s.frametype == HB_FRAME_IDR)
+ pkt.flags |= AV_PKT_FLAG_KEY;
+ }
+ else if (buf->s.frametype & HB_FRAME_KEY)
+ {
+ pkt.flags |= AV_PKT_FLAG_KEY;
+ }
+
+ track->duration += pkt.duration;
+
+ switch (track->type)
+ {
+ case MUX_TYPE_VIDEO:
+ {
+ if (job->chapter_markers && buf->s.new_chap)
+ {
+ hb_chapter_t *chapter;
+
+ // reached chapter N, write marker for chapter N-1
+ // we don't know the end time of chapter N-1 till we receive
+ // chapter N. So we are always writing the previous chapter
+ // mark.
+ track->current_chapter = buf->s.new_chap - 1;
+
+ // chapter numbers start at 1, but the list starts at 0
+ chapter = hb_list_item(job->list_chapter,
+ track->current_chapter - 1);
+
+ // make sure we're not writing a chapter that has 0 length
+ if (chapter != NULL && track->prev_chapter_tc < pkt.pts)
+ {
+ char title[1024];
+ if (chapter->title != NULL)
+ {
+ snprintf(title, 1023, "%s", chapter->title);
+ }
+ else
+ {
+ snprintf(title, 1023, "Chapter %d",
+ track->current_chapter);
+ }
+ add_chapter(m, track->prev_chapter_tc, pkt.pts, title);
+ }
+ track->prev_chapter_tc = pkt.pts;
+ }
+ } break;
+
+ case MUX_TYPE_SUBTITLE:
+ {
+ if (job->mux == HB_MUX_AV_MP4)
+ {
+ /* Write an empty sample */
+ if ( track->duration < pts )
+ {
+ AVPacket empty_pkt;
+ uint8_t empty[2] = {0,0};
+
+ av_init_packet(&empty_pkt);
+ empty_pkt.data = empty;
+ empty_pkt.size = 2;
+ empty_pkt.dts = track->duration;
+ empty_pkt.pts = track->duration;
+ empty_pkt.duration = pts - duration;
+ empty_pkt.convergence_duration = empty_pkt.duration;
+ empty_pkt.stream_index = track->st->index;
+ int ret = av_interleaved_write_frame(m->oc, &empty_pkt);
+ if (ret < 0)
+ {
+ hb_error("av_interleaved_write_frame failed!");
+ *job->die = 1;
+ return -1;
+ }
+ track->duration = pts;
+ }
+ uint8_t styleatom[2048];;
+ uint16_t stylesize = 0;
+ uint8_t buffer[2048];
+ uint16_t buffersize = 0;
+
+ *buffer = '\0';
+
+ /*
+ * Copy the subtitle into buffer stripping markup and creating
+ * style atoms for them.
+ */
+ hb_muxmp4_process_subtitle_style( buf->data,
+ buffer,
+ styleatom, &stylesize );
+
+ buffersize = strlen((char*)buffer);
+
+ /* Write the subtitle sample */
+ memcpy( tx3g_out + 2, buffer, buffersize );
+ memcpy( tx3g_out + 2 + buffersize, styleatom, stylesize);
+ tx3g_out[0] = ( buffersize >> 8 ) & 0xff;
+ tx3g_out[1] = buffersize & 0xff;
+ pkt.data = tx3g_out;
+ pkt.size = buffersize + stylesize + 2;
+ }
+ pkt.convergence_duration = pkt.duration;
+
+ } break;
+ case MUX_TYPE_AUDIO:
+ default:
+ break;
+ }
+
+ pkt.stream_index = track->st->index;
+ int ret = av_interleaved_write_frame(m->oc, &pkt);
+ if (ret < 0)
+ {
+ hb_error("av_interleaved_write_frame failed!");
+ *job->die = 1;
+ return -1;
+ }
+
+ hb_buffer_close( &buf );
+ return 0;
+}
+
+static int avformatEnd(hb_mux_object_t *m)
+{
+ hb_job_t *job = m->job;
+ hb_mux_data_t *track = job->mux_data;
+
+ if( !job->mux_data )
+ {
+ /*
+ * We must have failed to create the file in the first place.
+ */
+ return 0;
+ }
+
+ // Flush any delayed frames
+ int ii;
+ for (ii = 0; ii < m->ntracks; ii++)
+ {
+ avformatMux(m, m->tracks[ii], NULL);
+ }
+
+ if (job->chapter_markers)
+ {
+ hb_chapter_t *chapter;
+
+ // get the last chapter
+ chapter = hb_list_item(job->list_chapter, track->current_chapter++);
+
+ // only write the last chapter marker if it lasts at least 1.5 second
+ if (chapter != NULL && chapter->duration > 135000LL)
+ {
+ char title[1024];
+ if (chapter->title != NULL)
+ {
+ snprintf(title, 1023, "%s", chapter->title);
+ }
+ else
+ {
+ snprintf(title, 1023, "Chapter %d", track->current_chapter);
+ }
+ add_chapter(m, track->prev_chapter_tc, track->duration, title);
+ }
+ }
+
+ // Update and track private data that can change during
+ // encode.
+ for(ii = 0; ii < hb_list_count( job->list_audio ); ii++)
+ {
+ AVStream *st;
+ hb_audio_t * audio;
+
+ audio = hb_list_item(job->list_audio, ii);
+ st = audio->priv.mux_data->st;
+
+ switch (audio->config.out.codec & HB_ACODEC_MASK)
+ {
+ case HB_ACODEC_FFFLAC:
+ case HB_ACODEC_FFFLAC24:
+ if( audio->priv.config.extradata.bytes )
+ {
+ uint8_t *priv_data;
+ int priv_size;
+
+ priv_size = audio->priv.config.extradata.length;
+ priv_data = av_realloc(st->codec->extradata, priv_size);
+ if (priv_data == NULL)
+ {
+ break;
+ }
+ memcpy(priv_data,
+ audio->priv.config.extradata.bytes,
+ audio->priv.config.extradata.length);
+ st->codec->extradata = priv_data;
+ st->codec->extradata_size = priv_size;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+
+ av_write_trailer(m->oc);
+ avio_close(m->oc->pb);
+ avformat_free_context(m->oc);
+ m->oc = NULL;
+
+ return 0;
+}
+
+hb_mux_object_t * hb_mux_avformat_init( hb_job_t * job )
+{
+ hb_mux_object_t * m = calloc( sizeof( hb_mux_object_t ), 1 );
+ m->init = avformatInit;
+ m->mux = avformatMux;
+ m->end = avformatEnd;
+ m->job = job;
+ return m;
+}
+
+#endif // USE_AVFORMAT