[FFmpeg-cvslog] PGS subtitles: Set AVSubtitle pts value
John Stebbins
git at videolan.org
Mon Nov 19 14:21:09 CET 2012
ffmpeg | branch: master | John Stebbins <jstebbins.hb at gmail.com> | Fri Nov 2 09:30:39 2012 -0700| [1c5805521c3e406886341d752ebf38f8d41e1d13] | committer: Diego Biurrun
PGS subtitles: Set AVSubtitle pts value
pts should be that of the packet containing the presentation segment.
Signed-off-by: Diego Biurrun <diego at biurrun.de>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1c5805521c3e406886341d752ebf38f8d41e1d13
---
libavcodec/pgssubdec.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/libavcodec/pgssubdec.c b/libavcodec/pgssubdec.c
index 0326ea8..f22088a 100644
--- a/libavcodec/pgssubdec.c
+++ b/libavcodec/pgssubdec.c
@@ -46,6 +46,7 @@ typedef struct PGSSubPresentation {
int id_number;
int object_number;
uint8_t composition_flag;
+ int64_t pts;
} PGSSubPresentation;
typedef struct PGSSubPicture {
@@ -272,7 +273,8 @@ static void parse_palette_segment(AVCodecContext *avctx,
* @todo TODO: Implement forcing of subtitles
*/
static void parse_presentation_segment(AVCodecContext *avctx,
- const uint8_t *buf, int buf_size)
+ const uint8_t *buf, int buf_size,
+ int64_t pts)
{
PGSSubContext *ctx = avctx->priv_data;
@@ -281,6 +283,8 @@ static void parse_presentation_segment(AVCodecContext *avctx,
int w = bytestream_get_be16(&buf);
int h = bytestream_get_be16(&buf);
+ ctx->presentation.pts = pts;
+
av_dlog(avctx, "Video Dimensions %dx%d\n",
w, h);
if (av_image_check_size(w, h, 0, avctx) >= 0)
@@ -358,6 +362,8 @@ static int display_end_segment(AVCodecContext *avctx, void *data,
*/
memset(sub, 0, sizeof(*sub));
+ sub->pts = ctx->presentation.pts;
+
// Blank if last object_number was 0.
// Note that this may be wrong for more complex subtitles.
if (!ctx->presentation.object_number)
@@ -446,7 +452,7 @@ static int decode(AVCodecContext *avctx, void *data, int *data_size,
parse_picture_segment(avctx, buf, segment_length);
break;
case PRESENTATION_SEGMENT:
- parse_presentation_segment(avctx, buf, segment_length);
+ parse_presentation_segment(avctx, buf, segment_length, avpkt->pts);
break;
case WINDOW_SEGMENT:
/*
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