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authorMans Rullgard <mans@mansr.com>2012-04-12 13:55:49 +0100
committerMans Rullgard <mans@mansr.com>2012-04-21 18:56:19 +0100
commit2bcbd98459915baefc15043d02f4a942ebcd33da (patch)
tree8dc1411f9bab944622c785efbd9c5dc4959b00ee /libavcodec/utils.c
parent95510be8c35753da8f48062b28b65e7acdab965f (diff)
Remove lowres video decoding
This feature is complex, of questionable utility, and slows down normal decoding. Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec/utils.c')
-rw-r--r--libavcodec/utils.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 7caf93f65d..4492486771 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -143,8 +143,8 @@ unsigned avcodec_get_edge_width(void)
void avcodec_set_dimensions(AVCodecContext *s, int width, int height){
s->coded_width = width;
s->coded_height= height;
- s->width = -((-width )>>s->lowres);
- s->height= -((-height)>>s->lowres);
+ s->width = width;
+ s->height = height;
}
#define INTERNAL_BUFFER_SIZE (32+1)
@@ -228,9 +228,8 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
*width = FFALIGN(*width , w_align);
*height= FFALIGN(*height, h_align);
- if(s->codec_id == CODEC_ID_H264 || s->lowres)
+ if (s->codec_id == CODEC_ID_H264)
*height+=2; // some of the optimized chroma MC reads one line too much
- // which is also done in mpeg decoders with lowres > 0
for (i = 0; i < 4; i++)
linesize_align[i] = STRIDE_ALIGN;
@@ -741,12 +740,6 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVD
if (!HAVE_THREADS && !(codec->capabilities & CODEC_CAP_AUTO_THREADS))
avctx->thread_count = 1;
- if (avctx->codec->max_lowres < avctx->lowres) {
- av_log(avctx, AV_LOG_ERROR, "The maximum value for lowres supported by the decoder is %d\n",
- avctx->codec->max_lowres);
- ret = AVERROR(EINVAL);
- goto free_and_end;
- }
if (av_codec_is_encoder(avctx->codec)) {
int i;
if (avctx->codec->sample_fmts) {