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| author | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2021-03-26 12:42:21 +0100 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2021-04-02 21:40:07 +0200 |
| commit | 6614f33a0b3862753f743253afdb8e1944e26167 (patch) | |
| tree | 8c4cb8712a9560522584f3ef639dfd1aabc32633 | |
| parent | 67e401e3cb0bf8d3a6f13828d9905be75cf969fd (diff) | |
| download | ffmpeg-6614f33a0b3862753f743253afdb8e1944e26167.tar.gz | |
avcodec/qtrleenc: Use keyframe when no previous frame is available
If keeping a reference to an earlier frame failed, the next frame must
be an I frame for lack of reference frame. This commit implements this.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit d5fc16a6a87a24360312b812a560e7a3664e3791)
| -rw-r--r-- | libavcodec/qtrleenc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/qtrleenc.c b/libavcodec/qtrleenc.c index 8b0edf7b3d..0f5bedcdcd 100644 --- a/libavcodec/qtrleenc.c +++ b/libavcodec/qtrleenc.c @@ -369,7 +369,8 @@ static int qtrle_encode_frame(AVCodecContext *avctx, AVPacket *pkt, if ((ret = ff_alloc_packet2(avctx, pkt, s->max_buf_size, 0)) < 0) return ret; - if (avctx->gop_size == 0 || (s->avctx->frame_number % avctx->gop_size) == 0) { + if (avctx->gop_size == 0 || !s->previous_frame->data[0] || + (s->avctx->frame_number % avctx->gop_size) == 0) { /* I-Frame */ s->key_frame = 1; } else { |