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avcodec/mpegvideo_enc: Don't find encoder by ID 

mpegvideo-based encoders supporting bframes implement this
by opening encoders of their own to test how long the chains
of bframes are supposed to be. The needed AVCodec was obtained
via avcodec_find_encoder(). This is complicated, as the current
encoder can be directly obtained. And it also is not guaranteed
that one actually gets the current encoder or not another encoder
for the same codec ID (the latter does not seem to be the case now).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-01-28 18:55:35 +01:00
parent 965cfc6684
commit 7a774a4e93
1 changed files with 1 additions and 2 deletions
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3
libavcodec/mpegvideo_enc.c
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@ -1217,7 +1217,6 @@ static int encode_frame(AVCodecContext *c, AVFrame *frame, AVPacket *pkt)
static int estimate_best_b_count(MpegEncContext *s)
{
const AVCodec *codec = avcodec_find_encoder(s->avctx->codec_id);
AVPacket *pkt;
const int scale = s->brd_scale;
int width = s->width >> scale;
@ -1301,7 +1300,7 @@ static int estimate_best_b_count(MpegEncContext *s)
c->time_base = s->avctx->time_base;
c->max_b_frames = s->max_b_frames;
ret = avcodec_open2(c, codec, NULL);
ret = avcodec_open2(c, s->avctx->codec, NULL);
if (ret < 0)
goto fail;