ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinha...@outlook.com> | Thu Dec 23 06:34:24 2021 +0100| [bf70c34b117c9c4a4885089e053ff59c93a6c5f3] | committer: Andreas Rheinhardt
avcodec/mpegvideo: Try to perform check for MPEG-1/2 at compile-time This is possible if CONFIG_SMALL is not true. Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bf70c34b117c9c4a4885089e053ff59c93a6c5f3 --- libavcodec/mpegvideo.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c index 0d09a3f058..28e69ea113 100644 --- a/libavcodec/mpegvideo.c +++ b/libavcodec/mpegvideo.c @@ -1962,6 +1962,7 @@ void mpv_reconstruct_mb_internal(MpegEncContext *s, int16_t block[12][64], int lowres_flag, int is_mpeg12) { #define IS_ENCODER(s) (CONFIG_MPEGVIDEOENC && !lowres_flag && (s)->encoding) +#define IS_MPEG12(s) (CONFIG_SMALL ? ((s)->out_format == FMT_MPEG1) : is_mpeg12) const int mb_xy = s->mb_y * s->mb_stride + s->mb_x; s->current_picture.qscale_table[mb_xy] = s->qscale; @@ -2076,7 +2077,7 @@ void mpv_reconstruct_mb_internal(MpegEncContext *s, int16_t block[12][64], } /* add dct residue */ - if (IS_ENCODER(s) || !(s->msmpeg4_version || s->codec_id == AV_CODEC_ID_MPEG1VIDEO || s->codec_id == AV_CODEC_ID_MPEG2VIDEO + if (IS_ENCODER(s) || !(IS_MPEG12(s) || s->msmpeg4_version || (s->codec_id==AV_CODEC_ID_MPEG4 && !s->mpeg_quant))){ add_dequant_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale); add_dequant_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale); @@ -2183,7 +2184,7 @@ void mpv_reconstruct_mb_internal(MpegEncContext *s, int16_t block[12][64], } } /* dct only in intra block */ - else if (IS_ENCODER(s) || !(s->codec_id == AV_CODEC_ID_MPEG1VIDEO || s->codec_id == AV_CODEC_ID_MPEG2VIDEO)) { + else if (IS_ENCODER(s) || !IS_MPEG12(s)) { put_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale); put_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale); put_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".