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avcodec/mpeg12enc: return more specific error codes for encode_init()

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Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
This commit is contained in:
Limin Wang 2020-05-07 18:55:11 +08:00
parent 14285e4ca2
commit 0032ca45ff
1 changed files with 7 additions and 6 deletions
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13
libavcodec/mpeg12enc.c
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@ -139,16 +139,17 @@ static int find_frame_rate_index(MpegEncContext *s)
static av_cold int encode_init(AVCodecContext *avctx)
{
int ret;
MpegEncContext *s = avctx->priv_data;
if (ff_mpv_encode_init(avctx) < 0)
return -1;
if ((ret = ff_mpv_encode_init(avctx)) < 0)
return ret;
if (find_frame_rate_index(s) < 0) {
if (s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
av_log(avctx, AV_LOG_ERROR, "MPEG-1/2 does not support %d/%d fps\n",
avctx->time_base.den, avctx->time_base.num);
return -1;
return AVERROR(EINVAL);
} else {
av_log(avctx, AV_LOG_INFO,
"MPEG-1/2 does not support %d/%d fps, there may be AV sync issues\n",
@ -159,7 +160,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
if (avctx->profile == FF_PROFILE_UNKNOWN) {
if (avctx->level != FF_LEVEL_UNKNOWN) {
av_log(avctx, AV_LOG_ERROR, "Set profile and level\n");
return -1;
return AVERROR(EINVAL);
}
/* Main or 4:2:2 */
avctx->profile = s->chroma_format == CHROMA_420 ? FF_PROFILE_MPEG2_MAIN : FF_PROFILE_MPEG2_422;
@ -175,7 +176,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
if (avctx->profile != FF_PROFILE_MPEG2_HIGH && s->chroma_format != CHROMA_420) {
av_log(avctx, AV_LOG_ERROR,
"Only High(1) and 4:2:2(0) profiles support 4:2:2 color sampling\n");
return -1;
return AVERROR(EINVAL);
}
if (avctx->width <= 720 && avctx->height <= 576)
avctx->level = 8; /* Main */
@ -205,7 +206,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
if (s->drop_frame_timecode && s->frame_rate_index != 4) {
av_log(avctx, AV_LOG_ERROR,
"Drop frame time code only allowed with 1001/30000 fps\n");
return -1;
return AVERROR(EINVAL);
}
#if FF_API_PRIVATE_OPT