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authorvan <[email protected]>2008-05-31 17:00:42 +0000
committervan <[email protected]>2008-05-31 17:00:42 +0000
commitafbd06d8d6151b69bbb18adf83cfab8d680c3946 (patch)
tree4e7be731854c8b8db8f87934c301c60a9155387c /libhb/decdca.c
parentd0550da569b56a71857c34463c5b030172d47291 (diff)
- support blu-ray, avchd & dvb x264
- support video files handled by ffmpeg (avi, mkv, mp4, etc.) git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@1480 b64f7644-9d1e-0410-96f1-a4d463321fa5
Diffstat (limited to 'libhb/decdca.c')
-rw-r--r--libhb/decdca.c100
1 files changed, 93 insertions, 7 deletions
diff --git a/libhb/decdca.c b/libhb/decdca.c
index 28081900d..a326031dd 100644
--- a/libhb/decdca.c
+++ b/libhb/decdca.c
@@ -35,9 +35,11 @@ struct hb_work_private_s
};
-int decdcaInit( hb_work_object_t *, hb_job_t * );
-int decdcaWork( hb_work_object_t *, hb_buffer_t **, hb_buffer_t ** );
-void decdcaClose( hb_work_object_t * );
+static int decdcaInit( hb_work_object_t *, hb_job_t * );
+static int decdcaWork( hb_work_object_t *, hb_buffer_t **, hb_buffer_t ** );
+static void decdcaClose( hb_work_object_t * );
+static int decdcaBSInfo( hb_work_object_t *, const hb_buffer_t *,
+ hb_work_info_t * );
hb_work_object_t hb_decdca =
{
@@ -45,7 +47,9 @@ hb_work_object_t hb_decdca =
"DCA decoder",
decdcaInit,
decdcaWork,
- decdcaClose
+ decdcaClose,
+ 0,
+ decdcaBSInfo
};
/***********************************************************************
@@ -58,7 +62,7 @@ static hb_buffer_t * Decode( hb_work_object_t * w );
***********************************************************************
* Allocate the work object, initialize libdca
**********************************************************************/
-int decdcaInit( hb_work_object_t * w, hb_job_t * job )
+static int decdcaInit( hb_work_object_t * w, hb_job_t * job )
{
hb_work_private_t * pv = calloc( 1, sizeof( hb_work_private_t ) );
hb_audio_t * audio = w->audio;
@@ -88,7 +92,7 @@ int decdcaInit( hb_work_object_t * w, hb_job_t * job )
***********************************************************************
* Free memory
**********************************************************************/
-void decdcaClose( hb_work_object_t * w )
+static void decdcaClose( hb_work_object_t * w )
{
hb_work_private_t * pv = w->private_data;
dca_free( pv->state );
@@ -103,7 +107,7 @@ void decdcaClose( hb_work_object_t * w )
* Add the given buffer to the data we already have, and decode as much
* as we can
**********************************************************************/
-int decdcaWork( hb_work_object_t * w, hb_buffer_t ** buf_in,
+static int decdcaWork( hb_work_object_t * w, hb_buffer_t ** buf_in,
hb_buffer_t ** buf_out )
{
hb_work_private_t * pv = w->private_data;
@@ -214,3 +218,85 @@ static hb_buffer_t * Decode( hb_work_object_t * w )
return buf;
}
+
+static int decdcaBSInfo( hb_work_object_t *w, const hb_buffer_t *b,
+ hb_work_info_t *info )
+{
+ int i, flags, rate, bitrate, frame_length;
+ dca_state_t * state = dca_init( 0 );
+
+ memset( info, 0, sizeof(*info) );
+
+ /* since DCA frames don't line up with MPEG ES frames scan the
+ * entire frame for an DCA sync pattern. */
+ for ( i = 0; i < b->size - 7; ++i )
+ {
+ if( dca_syncinfo( state, &b->data[i], &flags, &rate, &bitrate,
+ &frame_length ) )
+ {
+ break;
+ }
+ }
+ if ( i >= b->size - 7 )
+ {
+ /* didn't find DCA sync */
+ return 0;
+ }
+
+ info->name = "DCA";
+ info->rate = rate;
+ info->rate_base = 1;
+ info->bitrate = bitrate;
+ info->flags = flags;
+
+ if ( ( flags & DCA_CHANNEL_MASK) == DCA_DOLBY )
+ {
+ info->flags |= AUDIO_F_DOLBY;
+ }
+
+ switch( flags & DCA_CHANNEL_MASK )
+ {
+ /* mono sources */
+ case DCA_MONO:
+ info->channel_layout = HB_INPUT_CH_LAYOUT_MONO;
+ break;
+ /* stereo input */
+ case DCA_CHANNEL:
+ case DCA_STEREO:
+ case DCA_STEREO_SUMDIFF:
+ case DCA_STEREO_TOTAL:
+ info->channel_layout = HB_INPUT_CH_LAYOUT_STEREO;
+ break;
+ /* 3F/2R input */
+ case DCA_3F2R:
+ info->channel_layout = HB_INPUT_CH_LAYOUT_3F2R;
+ break;
+ /* 3F/1R input */
+ case DCA_3F1R:
+ info->channel_layout = HB_INPUT_CH_LAYOUT_3F1R;
+ break;
+ /* other inputs */
+ case DCA_3F:
+ info->channel_layout = HB_INPUT_CH_LAYOUT_3F;
+ break;
+ case DCA_2F1R:
+ info->channel_layout = HB_INPUT_CH_LAYOUT_2F1R;
+ break;
+ case DCA_2F2R:
+ info->channel_layout = HB_INPUT_CH_LAYOUT_2F2R;
+ break;
+ case DCA_4F2R:
+ info->channel_layout = HB_INPUT_CH_LAYOUT_4F2R;
+ break;
+ /* unknown */
+ default:
+ info->channel_layout = HB_INPUT_CH_LAYOUT_STEREO;
+ }
+
+ if (flags & DCA_LFE)
+ {
+ info->channel_layout |= HB_INPUT_CH_LAYOUT_HAS_LFE;
+ }
+
+ return 1;
+}