ffmpeg | branch: master | Benoit Fouet <benoit.fo...@free.fr> | Fri Nov 28 14:03:08 2014 +0100| [af8804ac86383160c80671c3dcd511510f639f24] | committer: Michael Niedermayer
avcodec/pngdec: allow for some code path optimizations. Use 'if (CONFIG_APNG_DECODER)' where needed, so that the compiler can optimize out some portion of code. Signed-off-by: Michael Niedermayer <michae...@gmx.at> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=af8804ac86383160c80671c3dcd511510f639f24 --- libavcodec/pngdec.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c index da852c4..a330d36 100644 --- a/libavcodec/pngdec.c +++ b/libavcodec/pngdec.c @@ -949,7 +949,7 @@ static int decode_frame_common(AVCodecContext *avctx, PNGDecContext *s, for (;;) { length = bytestream2_get_bytes_left(&s->gb); if (length <= 0) { - if (avctx->codec_id == AV_CODEC_ID_APNG && length == 0) { + if (CONFIG_APNG_DECODER && avctx->codec_id == AV_CODEC_ID_APNG && length == 0) { if (!(s->state & PNG_IDAT)) return 0; else @@ -984,14 +984,14 @@ static int decode_frame_common(AVCodecContext *avctx, PNGDecContext *s, goto fail; break; case MKTAG('f', 'c', 'T', 'L'): - if (avctx->codec_id != AV_CODEC_ID_APNG) + if (!CONFIG_APNG_DECODER || avctx->codec_id != AV_CODEC_ID_APNG) goto skip_tag; if ((ret = decode_fctl_chunk(avctx, s, length)) < 0) goto fail; decode_next_dat = 1; break; case MKTAG('f', 'd', 'A', 'T'): - if (avctx->codec_id != AV_CODEC_ID_APNG) + if (!CONFIG_APNG_DECODER || avctx->codec_id != AV_CODEC_ID_APNG) goto skip_tag; if (!decode_next_dat) goto fail; @@ -999,7 +999,7 @@ static int decode_frame_common(AVCodecContext *avctx, PNGDecContext *s, length -= 4; /* fallthrough */ case MKTAG('I', 'D', 'A', 'T'): - if (avctx->codec_id == AV_CODEC_ID_APNG && !decode_next_dat) + if (CONFIG_APNG_DECODER && avctx->codec_id == AV_CODEC_ID_APNG && !decode_next_dat) goto skip_tag; if (decode_idat_chunk(avctx, s, length, p) < 0) goto fail; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
