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avcodec/mpegvideo_dec: Move setting dct_unquant funcs to h263dec.c 

It is a better place for it; no non-h263-based decoder needs
these functions any more (both H.261 and the error resilience
code recently stopped doing so).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2024-06-14 18:07:15 +02:00
parent 64d2bca452
commit 48cdb7d579
2 changed files with 5 additions and 6 deletions
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5
libavcodec/h263dec.c
View File

@ -102,6 +102,11 @@ av_cold int ff_h263_decode_init(AVCodecContext *avctx)
s->decode_mb = ff_h263_decode_mb;
s->low_delay = 1;
// dct_unquantize defaults for H.263;
// they might change on a per-frame basis for MPEG-4.
s->dct_unquantize_intra = s->dct_unquantize_h263_intra;
s->dct_unquantize_inter = s->dct_unquantize_h263_inter;
/* select sub codec */
switch (avctx->codec->id) {
case AV_CODEC_ID_H263:

6
libavcodec/mpegvideo_dec.c
View File

@ -60,12 +60,6 @@ int ff_mpv_decode_init(MpegEncContext *s, AVCodecContext *avctx)
ff_mpv_idct_init(s);
// dct_unquantize defaults for H.261 and H.263;
// they might change on a per-frame basis for MPEG-4.
// Unused by the MPEG-1/2 decoders.
s->dct_unquantize_intra = s->dct_unquantize_h263_intra;
s->dct_unquantize_inter = s->dct_unquantize_h263_inter;
ff_h264chroma_init(&s->h264chroma, 8); //for lowres
if (s->picture_pool) // VC-1 can call this multiple times