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authorMichael Niedermayer <michaelni@gmx.at>2012-04-22 22:26:42 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-04-22 22:26:42 +0200
commit92ef4be4ab9fbb7d901b22e0036a4ca90b00a476 (patch)
treec04ededf84f089de4f9ef417ca6ecc715b84fa4b /libavcodec/mjpegdec.c
parent2e07f42957666df6d7c63a62263b8447e97b1442 (diff)
parentd526c5338d50d12a54fd95130030c60070707d3e (diff)
downloadffmpeg-92ef4be4ab9fbb7d901b22e0036a4ca90b00a476.tar.gz
Merge remote-tracking branch 'qatar/master'
* qatar/master: ARM: allow runtime masking of CPU features dsputil: remove unused functions mov: Treat keyframe indexes as 1-origin if starting at non-zero. mov: Take stps entries into consideration also about key_off. Remove lowres video decoding Conflicts: ffmpeg.c ffplay.c libavcodec/arm/vp8dsp_init_arm.c libavcodec/libopenjpegdec.c libavcodec/mjpegdec.c libavcodec/mpegvideo.c libavcodec/utils.c libavformat/mov.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/mjpegdec.c')
-rw-r--r--libavcodec/mjpegdec.c25
1 files changed, 4 insertions, 21 deletions
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index c9021b9e7a..330f4f5892 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -941,21 +941,6 @@ static int ljpeg_decode_yuv_scan(MJpegDecodeContext *s, int predictor,
return 0;
}
-static av_always_inline void mjpeg_copy_block(uint8_t *dst, const uint8_t *src,
- int linesize, int lowres)
-{
- switch (lowres) {
- case 0: copy_block8(dst, src, linesize, linesize, 8);
- break;
- case 1: copy_block4(dst, src, linesize, linesize, 4);
- break;
- case 2: copy_block2(dst, src, linesize, linesize, 2);
- break;
- case 3: *dst = *src;
- break;
- }
-}
-
static int mjpeg_decode_scan(MJpegDecodeContext *s, int nb_components, int Ah,
int Al, const uint8_t *mb_bitmask,
const AVFrame *reference)
@@ -1018,16 +1003,16 @@ static int mjpeg_decode_scan(MJpegDecodeContext *s, int nb_components, int Ah,
x = 0;
y = 0;
for (j = 0; j < n; j++) {
- block_offset = (((linesize[c] * (v * mb_y + y) * 8) +
- (h * mb_x + x) * 8) >> s->avctx->lowres);
+ block_offset = ((linesize[c] * (v * mb_y + y) * 8) +
+ (h * mb_x + x) * 8);
if (s->interlaced && s->bottom_field)
block_offset += linesize[c] >> 1;
ptr = data[c] + block_offset;
if (!s->progressive) {
if (copy_mb)
- mjpeg_copy_block(ptr, reference_data[c] + block_offset,
- linesize[c], s->avctx->lowres);
+ copy_block8(ptr, reference_data[c] + block_offset,
+ linesize[c], linesize[c], 8);
else {
s->dsp.clear_block(s->block);
if (decode_block(s, s->block, i,
@@ -1829,7 +1814,6 @@ AVCodec ff_mjpeg_decoder = {
.close = ff_mjpeg_decode_end,
.decode = ff_mjpeg_decode_frame,
.capabilities = CODEC_CAP_DR1,
- .max_lowres = 3,
.long_name = NULL_IF_CONFIG_SMALL("MJPEG (Motion JPEG)"),
.priv_class = &mjpegdec_class,
};
@@ -1843,6 +1827,5 @@ AVCodec ff_thp_decoder = {
.close = ff_mjpeg_decode_end,
.decode = ff_mjpeg_decode_frame,
.capabilities = CODEC_CAP_DR1,
- .max_lowres = 3,
.long_name = NULL_IF_CONFIG_SMALL("Nintendo Gamecube THP video"),
};