[vlc-devel] commit: Added reget_buffer implementation for correct PTS for codec using it. ( Laurent Aimar )
git version control
git at videolan.org
Sun Jun 29 21:06:32 CEST 2008
vlc | branch: master | Laurent Aimar <fenrir at videolan.org> | Sun Jun 29 19:08:20 2008 +0000| [3be7c61b0db43282fb51cc73d74a68c0d278328f]
Added reget_buffer implementation for correct PTS for codec using it.
This allows playing of MS Video 1 file but it is not yet correct because
of the way VLC handles RGB (it won't work on big endian, and the colors
seem broken).
> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=3be7c61b0db43282fb51cc73d74a68c0d278328f
---
modules/codec/avcodec/video.c | 67 +++++++++++++++++++++++++++-------------
1 files changed, 45 insertions(+), 22 deletions(-)
diff --git a/modules/codec/avcodec/video.c b/modules/codec/avcodec/video.c
index 62e901d..1ba8478 100644
--- a/modules/codec/avcodec/video.c
+++ b/modules/codec/avcodec/video.c
@@ -91,6 +91,7 @@ static AVPaletteControl palette_control;
static void ffmpeg_InitCodec ( decoder_t * );
static void ffmpeg_CopyPicture ( decoder_t *, picture_t *, AVFrame * );
static int ffmpeg_GetFrameBuf ( struct AVCodecContext *, AVFrame * );
+static int ffmpeg_ReGetFrameBuf( struct AVCodecContext *, AVFrame * );
static void ffmpeg_ReleaseFrameBuf( struct AVCodecContext *, AVFrame * );
static uint32_t ffmpeg_CodecTag( vlc_fourcc_t fcc )
@@ -356,6 +357,7 @@ int InitVideoDec( decoder_t *p_dec, AVCodecContext *p_context,
/* Always use our get_buffer wrapper so we can calculate the
* PTS correctly */
p_sys->p_context->get_buffer = ffmpeg_GetFrameBuf;
+ p_sys->p_context->reget_buffer = ffmpeg_ReGetFrameBuf;
p_sys->p_context->release_buffer = ffmpeg_ReleaseFrameBuf;
p_sys->p_context->opaque = p_dec;
@@ -385,7 +387,7 @@ int InitVideoDec( decoder_t *p_dec, AVCodecContext *p_context,
if( p_dec->fmt_in.video.p_palette )
p_sys->p_context->palctrl =
(AVPaletteControl *)p_dec->fmt_in.video.p_palette;
- else
+ else if( p_sys->i_codec_id != CODEC_ID_MSVIDEO1 )
p_sys->p_context->palctrl = &palette_control;
/* ***** Open the codec ***** */
@@ -884,6 +886,8 @@ static void ffmpeg_CopyPicture( decoder_t *p_dec,
* It is used for direct rendering as well as to get the right PTS for each
* decoded picture (even in indirect rendering mode).
*****************************************************************************/
+static void ffmpeg_SetFrameBufferPts( decoder_t *p_dec, AVFrame *p_ff_pic );
+
static int ffmpeg_GetFrameBuf( struct AVCodecContext *p_context,
AVFrame *p_ff_pic )
{
@@ -892,28 +896,9 @@ static int ffmpeg_GetFrameBuf( struct AVCodecContext *p_context,
picture_t *p_pic;
/* Set picture PTS */
- if( p_sys->input_pts )
- {
- p_ff_pic->pts = p_sys->input_pts;
- }
- else if( p_sys->input_dts )
- {
- /* Some demuxers only set the dts so let's try to find a useful
- * timestamp from this */
- if( !p_context->has_b_frames || !p_sys->b_has_b_frames ||
- !p_ff_pic->reference || !p_sys->i_pts )
- {
- p_ff_pic->pts = p_sys->input_dts;
- }
- else p_ff_pic->pts = 0;
- }
- else p_ff_pic->pts = 0;
-
- if( p_sys->i_pts ) /* make sure 1st frame has a pts > 0 */
- {
- p_sys->input_pts = p_sys->input_dts = 0;
- }
+ ffmpeg_SetFrameBufferPts( p_dec, p_ff_pic );
+ /* */
p_ff_pic->opaque = 0;
/* Not much to do in indirect rendering mode */
@@ -964,6 +949,44 @@ static int ffmpeg_GetFrameBuf( struct AVCodecContext *p_context,
return 0;
}
+static int ffmpeg_ReGetFrameBuf( struct AVCodecContext *p_context, AVFrame *p_ff_pic )
+{
+ decoder_t *p_dec = (decoder_t *)p_context->opaque;
+
+ /* Set picture PTS */
+ ffmpeg_SetFrameBufferPts( p_dec, p_ff_pic );
+
+ /* We always use default reget function, it works perfectly fine */
+ return avcodec_default_reget_buffer( p_context, p_ff_pic );
+}
+
+static void ffmpeg_SetFrameBufferPts( decoder_t *p_dec, AVFrame *p_ff_pic )
+{
+ decoder_sys_t *p_sys = p_dec->p_sys;
+
+ /* Set picture PTS */
+ if( p_sys->input_pts )
+ {
+ p_ff_pic->pts = p_sys->input_pts;
+ }
+ else if( p_sys->input_dts )
+ {
+ /* Some demuxers only set the dts so let's try to find a useful
+ * timestamp from this */
+ if( !p_sys->p_context->has_b_frames || !p_sys->b_has_b_frames ||
+ !p_ff_pic->reference || !p_sys->i_pts )
+ {
+ p_ff_pic->pts = p_sys->input_dts;
+ }
+ else p_ff_pic->pts = 0;
+ }
+ else p_ff_pic->pts = 0;
+
+ if( p_sys->i_pts ) /* make sure 1st frame has a pts > 0 */
+ {
+ p_sys->input_pts = p_sys->input_dts = 0;
+ }
+}
static void ffmpeg_ReleaseFrameBuf( struct AVCodecContext *p_context,
AVFrame *p_ff_pic )
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