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Remove lowres video decoding

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This feature is complex, of questionable utility, and slows down
normal decoding.

Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard
2012-04-12 13:55:49 +01:00
parent 95510be8c3
commit 2bcbd98459
34 changed files with 56 additions and 755 deletions
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11
libavcodec/mpeg12.c
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@@ -1631,7 +1631,6 @@ static int mpeg_decode_slice(MpegEncContext *s, int mb_y,
const uint8_t **buf, int buf_size)
{
AVCodecContext *avctx = s->avctx;
const int lowres = s->avctx->lowres;
const int field_pic = s->picture_structure != PICT_FRAME;
s->resync_mb_x =
@@ -1752,14 +1751,14 @@ static int mpeg_decode_slice(MpegEncContext *s, int mb_y,
}
}
s->dest[0] += 16 >> lowres;
s->dest[1] +=(16 >> lowres) >> s->chroma_x_shift;
s->dest[2] +=(16 >> lowres) >> s->chroma_x_shift;
s->dest[0] += 16;
s->dest[1] += 16 >> s->chroma_x_shift;
s->dest[2] += 16 >> s->chroma_x_shift;
ff_MPV_decode_mb(s, s->block);
if (++s->mb_x >= s->mb_width) {
const int mb_size = 16 >> s->avctx->lowres;
const int mb_size = 16;
ff_draw_horiz_band(s, mb_size*(s->mb_y >> field_pic), mb_size);
ff_MPV_report_decode_progress(s);
@@ -2508,7 +2507,6 @@ AVCodec ff_mpeg1video_decoder = {
CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY |
CODEC_CAP_SLICE_THREADS,
.flush = flush,
.max_lowres = 3,
.long_name = NULL_IF_CONFIG_SMALL("MPEG-1 video"),
.update_thread_context = ONLY_IF_THREADS_ENABLED(mpeg_decode_update_thread_context)
};
@@ -2525,7 +2523,6 @@ AVCodec ff_mpeg2video_decoder = {
CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY |
CODEC_CAP_SLICE_THREADS,
.flush = flush,
.max_lowres = 3,
.long_name = NULL_IF_CONFIG_SMALL("MPEG-2 video"),
.profiles = NULL_IF_CONFIG_SMALL(mpeg2_video_profiles),
};