In preparation of using it in the encoders.
---
libavcodec/avcodec.h | 3 ++-
libavcodec/utils.c | 5 +++++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 7eaa0c9277..f86ae0b8d6 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2638,7 +2638,8 @@ typedef struct AVCodecContext {
* bitstream, the decoder may export it here. { 0, 1} when
* unknown.
* - encoding: May be used to signal the framerate of CFR content to an
- * encoder.
+ * encoder or the target average framerate for rate-control
+ * tuning.
*/
AVRational framerate;
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index ba3457664a..887c5618e2 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -539,6 +539,11 @@ FF_ENABLE_DEPRECATION_WARNINGS
goto free_and_end;
}
+ if (avctx->framerate.num <= 0) {
+ avctx->framerate.num = avctx->time_base.den;
+ avctx->framerate.den = avctx->time_base.num;
+ }
+
if (avctx->codec->sample_fmts) {
for (i = 0; avctx->codec->sample_fmts[i] != AV_SAMPLE_FMT_NONE;
i++) {
if (avctx->sample_fmt == avctx->codec->sample_fmts[i])
--
2.12.2
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