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avcodec/snowenc: Replace "return -1" by named constants

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Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-09-23 02:19:25 +02:00
parent 00a1e1337f
commit 9cec174247
1 changed files with 6 additions and 5 deletions
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11
libavcodec/snowenc.c
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@ -50,7 +50,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
&& (avctx->flags & AV_CODEC_FLAG_QSCALE)
&& avctx->global_quality == 0){
av_log(avctx, AV_LOG_ERROR, "The 9/7 wavelet is incompatible with lossless mode.\n");
return -1;
return AVERROR(EINVAL);
}
#if FF_API_MOTION_EST
FF_DISABLE_DEPRECATION_WARNINGS
@ -107,8 +107,9 @@ FF_ENABLE_DEPRECATION_WARNINGS
return AVERROR(ENOMEM);
}
if((avctx->flags&AV_CODEC_FLAG_PASS2) || !(avctx->flags&AV_CODEC_FLAG_QSCALE)){
if(ff_rate_control_init(&s->m) < 0)
return -1;
ret = ff_rate_control_init(&s->m);
if(ret < 0)
return ret;
}
s->pass1_rc= !(avctx->flags & (AV_CODEC_FLAG_QSCALE|AV_CODEC_FLAG_PASS2));
@ -130,7 +131,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
break;*/
default:
av_log(avctx, AV_LOG_ERROR, "pixel format not supported\n");
return -1;
return AVERROR_PATCHWELCOME;
}
avcodec_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_h_shift, &s->chroma_v_shift);
@ -833,7 +834,7 @@ static int encode_subband_c0run(SnowContext *s, SubBand *b, const IDWTELEM *src,
for(y=0; y<h; y++){
if(s->c.bytestream_end - s->c.bytestream < w*40){
av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
return -1;
return AVERROR(ENOMEM);
}
for(x=0; x<w; x++){
int v, p=0;