[FFmpeg-cvslog] avcodec/v4l2_buffers: use correct timebase for encoder/decoder
Aman Gupta
git at videolan.org
Wed Sep 11 23:08:50 EEST 2019
ffmpeg | branch: master | Aman Gupta <aman at tmm1.net> | Wed Sep 11 11:21:20 2019 -0700| [0085c4d47856aa74ce605ab1758917f1ace1253c] | committer: Aman Gupta
avcodec/v4l2_buffers: use correct timebase for encoder/decoder
Signed-off-by: Aman Gupta <aman at tmm1.net>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0085c4d47856aa74ce605ab1758917f1ace1253c
---
libavcodec/v4l2_buffers.c | 18 ++++++++++++------
1 file changed, 12 insertions(+), 6 deletions(-)
diff --git a/libavcodec/v4l2_buffers.c b/libavcodec/v4l2_buffers.c
index 46c9f11d7b..0b7a795977 100644
--- a/libavcodec/v4l2_buffers.c
+++ b/libavcodec/v4l2_buffers.c
@@ -35,6 +35,7 @@
#include "v4l2_m2m.h"
#define USEC_PER_SEC 1000000
+static AVRational v4l2_timebase = { 1, USEC_PER_SEC };
static inline V4L2m2mContext *buf_to_m2mctx(V4L2Buffer *buf)
{
@@ -48,32 +49,37 @@ static inline AVCodecContext *logger(V4L2Buffer *buf)
return buf_to_m2mctx(buf)->avctx;
}
+static inline AVRational v4l2_get_timebase(V4L2Buffer *avbuf)
+{
+ V4L2m2mContext *s = buf_to_m2mctx(avbuf);
+
+ if (s->avctx->pkt_timebase.num)
+ return s->avctx->pkt_timebase;
+ return s->avctx->time_base;
+}
+
static inline void v4l2_set_pts(V4L2Buffer *out, int64_t pts)
{
- V4L2m2mContext *s = buf_to_m2mctx(out);
- AVRational v4l2_timebase = { 1, USEC_PER_SEC };
int64_t v4l2_pts;
if (pts == AV_NOPTS_VALUE)
pts = 0;
/* convert pts to v4l2 timebase */
- v4l2_pts = av_rescale_q(pts, s->avctx->time_base, v4l2_timebase);
+ v4l2_pts = av_rescale_q(pts, v4l2_get_timebase(out), v4l2_timebase);
out->buf.timestamp.tv_usec = v4l2_pts % USEC_PER_SEC;
out->buf.timestamp.tv_sec = v4l2_pts / USEC_PER_SEC;
}
static inline int64_t v4l2_get_pts(V4L2Buffer *avbuf)
{
- V4L2m2mContext *s = buf_to_m2mctx(avbuf);
- AVRational v4l2_timebase = { 1, USEC_PER_SEC };
int64_t v4l2_pts;
/* convert pts back to encoder timebase */
v4l2_pts = (int64_t)avbuf->buf.timestamp.tv_sec * USEC_PER_SEC +
avbuf->buf.timestamp.tv_usec;
- return av_rescale_q(v4l2_pts, v4l2_timebase, s->avctx->time_base);
+ return av_rescale_q(v4l2_pts, v4l2_timebase, v4l2_get_timebase(avbuf));
}
static enum AVColorPrimaries v4l2_get_color_primaries(V4L2Buffer *buf)
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