Initial x265 integration. Patch by Zhang Zhiqiang. Thanks!

Build with --enable-x265 (requires CMake).

Use via HandBrakeCLI with -a none -e x265 -f raw

Only raw HEVC output is supported for now (no audio or subtitles).


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6023 b64f7644-9d1e-0410-96f1-a4d463321fa5

1 files changed, 295 insertions, 0 deletions

diff --git a/libhb/encx265.c b/libhb/encx265.c
new file mode 100644
index 000000000..afb6ef9e2
--- /dev/null
+++ b/libhb/encx265.c
@@ -0,0 +1,295 @@
+/* encx265.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
+ */
+#ifdef USE_X265
+#include <stdarg.h>
+#include <time.h>
+
+#include "hb.h"
+#include "hb_dict.h"
+#include "x265.h"
+
+int  encx265Init( hb_work_object_t *, hb_job_t * );
+int  encx265Work( hb_work_object_t *, hb_buffer_t **, hb_buffer_t ** );
+void encx265Close( hb_work_object_t * );
+void writeNALs(hb_work_private_t *, const x265_nal *, int );
+
+hb_work_object_t hb_encx265 =
+{
+    WORK_ENCX265,
+    "H.265/HEVC encoder (libx265)",
+    encx265Init,
+    encx265Work,
+    encx265Close
+};
+
+#define FRAME_INFO_MAX2 (8)     // 2^8 = 256; 90000/256 = 352 frames/sec
+#define FRAME_INFO_MIN2 (17)    // 2^17 = 128K; 90000/131072 = 1.4 frames/sec
+#define FRAME_INFO_SIZE (1 << (FRAME_INFO_MIN2 - FRAME_INFO_MAX2 + 1))
+#define FRAME_INFO_MASK (FRAME_INFO_SIZE - 1)
+
+static const char * const hb_x265_encopt_synonyms[][2] =
+{
+    { "me",       "motion",       },
+    { NULL,           NULL,           },
+};
+
+struct hb_work_private_s
+{
+    hb_job_t       * job;
+    x265_encoder   * x265;
+    x265_param     * param;
+    x265_picture   pic_in;
+    x265_nal       * p_nal;
+    uint32_t       nal_count;
+    uint8_t        * grey_data;
+
+    uint32_t       frames_in;
+    uint32_t       frames_out;
+    int            chap_mark;   // saved chap mark when we're propagating it
+    int64_t        last_stop;   // Debugging - stop time of previous input frame
+    int64_t        next_chap;
+
+    struct {
+        int64_t duration;
+    } frame_info[FRAME_INFO_SIZE];
+
+    int i_type;
+    int numEncode;
+    int64_t i_pts;
+
+    FILE *fout;
+};
+
+/***********************************************************************
+ * hb_work_encx265_init
+ ***********************************************************************
+ *
+ **********************************************************************/
+int encx265Init( hb_work_object_t * w, hb_job_t * job )
+{
+    hb_work_private_t *pv = calloc(1, sizeof(hb_work_private_t));
+    w->private_data = pv;
+
+    pv->job = job;
+    pv->fout = fopen(job->file, "wb");
+    fseek(pv->fout, 0, SEEK_SET);
+    
+    x265_param *param = pv->param = x265_param_alloc();
+   
+    x265_param_default_preset(param, "medium", "psnr"); 
+
+    hb_log("Output video resolution: %dx%d", job->width, job->height);
+    param->sourceWidth = job->width;
+    param->sourceHeight = job->height;
+    param->frameRate = job->vrate/job->vrate_base;
+    param->poolNumThreads = hb_get_cpu_count();
+
+    param->logLevel = X265_LOG_INFO;
+    param->frameNumThreads = hb_get_cpu_count();
+    param->tuQTMaxInterDepth = 1;
+    param->tuQTMaxIntraDepth = 1;
+
+    hb_dict_t *x265_opts = NULL;
+    if (job->advanced_opts != NULL && *job->advanced_opts != '\0')
+    {   
+        x265_opts = hb_encopts_to_dict(job->advanced_opts, job->vcodec);
+    }   
+    /* iterate through x265_opts and parse the options */
+    int ret;
+    hb_dict_entry_t *entry = NULL;
+    while ((entry = hb_dict_next(x265_opts, entry)) != NULL)
+    { 
+
+        ret = x265_param_parse( param, entry->key, entry->value );
+        /* Let x265 sanity check the options for us */
+        if( ret == X265_PARAM_BAD_NAME )
+            hb_log( "x265 options: Unknown suboption %s", entry->key );
+        if( ret == X265_PARAM_BAD_VALUE )
+            hb_log( "x265 options: Bad argument %s=%s", entry->key, entry->value ? entry->value : "(null)" );
+  
+    }   
+    hb_dict_free(&x265_opts);
+
+    param->subpelRefine = 1;
+    param->maxNumMergeCand = 1;
+    param->bEnablePsnr = 1;
+    
+    if (job->vquality > 0)
+        param->rc.qp = (int)job->vquality; 
+
+    param->rc.bitrate = job->vbitrate;
+
+    x265_setup_primitives(param, 0);
+
+    pv->x265 = x265_encoder_open( param );
+    if ( pv->x265 == NULL )
+    {
+        hb_error("encx265: x265_encoder_open failed.");
+        free( pv );
+        pv = NULL;
+        return 1;
+    }
+    pv->numEncode = 0;
+    if (!x265_encoder_headers(pv->x265, &pv->p_nal, &pv->nal_count))
+    {
+        writeNALs(pv, pv->p_nal, pv->nal_count);
+    }
+    x265_picture_init(param, &pv->pic_in);
+    return 0;
+}
+
+void encx265Close( hb_work_object_t * w )
+{
+    hb_work_private_t * pv = w->private_data;
+
+    x265_param_free(pv->param);
+    x265_encoder_close(pv->x265);
+    fclose(pv->fout);
+    free(pv);
+    w->private_data = NULL;
+}
+
+/*
+ * see comments in definition of 'frame_info' in pv struct for description
+ * of what these routines are doing.
+ */
+static void save_frame_info( hb_work_private_t * pv, hb_buffer_t * in )
+{
+    int i = (in->s.start >> FRAME_INFO_MAX2) & FRAME_INFO_MASK;
+    pv->frame_info[i].duration = in->s.stop - in->s.start;
+}
+
+void writeNALs(hb_work_private_t * pv, const x265_nal* nal, int nalcount)
+{
+    int i; 
+    for (i = 0; i < nalcount; i++)
+    {
+        fwrite((const char*)nal->payload, 1, nal->sizeBytes,  pv->fout);
+        nal++;
+    }
+}
+
+static hb_buffer_t *x265_encode( hb_work_object_t *w, hb_buffer_t *in )
+{
+    hb_work_private_t *pv = w->private_data;
+    hb_job_t *job = pv->job;
+
+    x265_picture pic_out;
+    int numEncode;
+
+    pv->pic_in.stride[0] = in->plane[0].stride;
+    pv->pic_in.stride[1] = in->plane[1].stride;
+    pv->pic_in.stride[2] = in->plane[2].stride;
+    pv->pic_in.planes[0] = in->plane[0].data;
+    pv->pic_in.planes[1] = in->plane[1].data;
+    pv->pic_in.planes[2] = in->plane[2].data;
+    pv->pic_in.bitDepth = 8;
+    
+    if( in->s.new_chap && job->chapter_markers )
+    {
+        pv->i_type = X265_TYPE_IDR;
+        if( pv->next_chap == 0 )
+        {
+            pv->next_chap = in->s.start;
+            pv->chap_mark = in->s.new_chap;
+        }
+        in->s.new_chap = 0;
+    }
+    else
+    {
+        pv->i_type = X265_TYPE_AUTO;
+    }
+
+    if( pv->last_stop != in->s.start )
+    {
+        hb_log("encx265 input continuity err: last stop %"PRId64"  start %"PRId64,
+                pv->last_stop, in->s.start);
+    }
+    pv->last_stop = in->s.stop;
+
+    save_frame_info( pv, in );
+
+    pv->pic_in.pts = in->s.start;
+    numEncode = x265_encoder_encode( pv->x265, &pv->p_nal, &pv->nal_count, &pv->pic_in, &pic_out );
+    pv->numEncode += numEncode;
+    if ( pv->nal_count > 0 )
+        writeNALs(pv, pv->p_nal, pv->nal_count);
+
+    return NULL;
+}
+
+int encx265Work( 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;
+    int numEncode;
+    
+    *buf_out = NULL;
+    if (in->size <= 0)
+    {
+        x265_picture pic_out;
+        uint32_t i_nal;
+        x265_nal *nal;
+        x265_stats stats;
+        hb_buffer_t *last_buf = NULL;
+        while (1)
+        {
+            numEncode = x265_encoder_encode(pv->x265, &nal, &i_nal, NULL, &pic_out);
+            if (i_nal <= 0)
+                break;
+            pv->numEncode += numEncode;
+            writeNALs(pv, nal, i_nal);
+
+        }
+        // Flushed everything - add the eof to the end of the chain.
+        if ( last_buf == NULL )
+            *buf_out = in;
+        else
+            last_buf->next = in;
+
+
+        *buf_in = NULL;
+        
+        x265_encoder_get_stats(pv->x265, &stats, sizeof(stats));  
+        x265_encoder_close(pv->x265);
+
+        if (stats.encodedPictureCount)
+        {
+            hb_log("X265 encoded %d frames in %.2fs (%.2f fps), %.2f kb/s, ", stats.encodedPictureCount,
+                stats.elapsedEncodeTime, stats.encodedPictureCount / stats.elapsedEncodeTime, stats.bitrate);
+
+            hb_log("Global PSNR: %.3f\n", stats.globalPsnr);
+        }
+        else
+            hb_log("encoded 0 frames\n");
+
+        hb_log("Work done!");
+        exit(0);
+
+        return HB_WORK_DONE;
+    }
+
+    pv->pic_in.poc = pv->frames_in;
+    ++pv->frames_in;
+    ++pv->frames_out;
+    *buf_out = x265_encode( w, in );
+    return HB_WORK_OK;
+}
+
+const char * hb_x265_encopt_name(const char *name)
+{
+    int i;
+    for (i = 0; hb_x265_encopt_synonyms[i][0] != NULL; i++)
+        if (!strcmp(name, hb_x265_encopt_synonyms[i][1]))
+            return hb_x265_encopt_synonyms[i][0];
+    return name;
+}
+
+#endif