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authorMichael Niedermayer <michael@niedermayer.cc>2016-02-16 21:36:29 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2016-02-16 21:47:56 +0100
commit2e8ad2d65af575de2baca3b97dd646827bd4a0bc (patch)
tree524c7bed1e67b506c3bb874be8ec860526db4b72 /libavcodec
parent5c02c95f2c2a9302446b8abdad6ca2c0f1d1e821 (diff)
downloadffmpeg-streaming-2e8ad2d65af575de2baca3b97dd646827bd4a0bc.zip
ffmpeg-streaming-2e8ad2d65af575de2baca3b97dd646827bd4a0bc.tar.gz
avcodec/mpeg12: Remove duplicate block_last_index setting code
Based on 7c25ffe070c286874a8c3513f7504b90e1626b0c and 58dd885f9ae7feee002773253e345e11e7142739 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/eatqi.c3
-rw-r--r--libavcodec/mpeg12.c8
-rw-r--r--libavcodec/mpeg12.h3
-rw-r--r--libavcodec/mpeg12dec.c2
4 files changed, 6 insertions, 10 deletions
diff --git a/libavcodec/eatqi.c b/libavcodec/eatqi.c
index 8688f59..d3b2a97 100644
--- a/libavcodec/eatqi.c
+++ b/libavcodec/eatqi.c
@@ -51,7 +51,6 @@ typedef struct TqiContext {
int last_dc[3];
DECLARE_ALIGNED(16, int16_t, block)[6][64];
- int block_last_index[12];
} TqiContext;
static av_cold int tqi_decode_init(AVCodecContext *avctx)
@@ -79,7 +78,7 @@ static int tqi_decode_mb(TqiContext *t, int16_t (*block)[64])
int ret = ff_mpeg1_decode_block_intra(&t->gb,
t->intra_matrix,
t->intra_scantable.permutated,
- t->last_dc, block[n], n, 1, t->block_last_index);
+ t->last_dc, block[n], n, 1);
if (ret < 0)
return -1;
}
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c
index d92d24a..7c14052 100644
--- a/libavcodec/mpeg12.c
+++ b/libavcodec/mpeg12.c
@@ -248,8 +248,7 @@ int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size,
int ff_mpeg1_decode_block_intra(GetBitContext *gb,
const uint16_t *quant_matrix,
uint8_t *const scantable, int last_dc[3],
- int16_t *block, int index, int qscale,
- int block_last_index[12])
+ int16_t *block, int index, int qscale)
{
int dc, diff, i = 0, component;
RLTable *rl = &ff_rl_mpeg1;
@@ -335,8 +334,7 @@ end:
}
if (i > MAX_INDEX)
- return AVERROR_INVALIDDATA;
+ i = AVERROR_INVALIDDATA;
- block_last_index[index] = i;
- return 0;
+ return i;
}
diff --git a/libavcodec/mpeg12.h b/libavcodec/mpeg12.h
index f8e2d23..a20ef92 100644
--- a/libavcodec/mpeg12.h
+++ b/libavcodec/mpeg12.h
@@ -53,8 +53,7 @@ static inline int decode_dc(GetBitContext *gb, int component)
int ff_mpeg1_decode_block_intra(GetBitContext *gb,
const uint16_t *quant_matrix,
uint8_t *const scantable, int last_dc[3],
- int16_t *block, int index, int qscale,
- int block_last_index[12]);
+ int16_t *block, int index, int qscale);
void ff_mpeg1_clean_buffers(MpegEncContext *s);
int ff_mpeg1_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size, AVCodecParserContext *s);
diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c
index 55f9207..4bdb32a 100644
--- a/libavcodec/mpeg12dec.c
+++ b/libavcodec/mpeg12dec.c
@@ -792,7 +792,7 @@ static int mpeg_decode_mb(MpegEncContext *s, int16_t block[12][64])
s->intra_matrix,
s->intra_scantable.permutated,
s->last_dc, *s->pblocks[i],
- i, s->qscale, s->block_last_index);
+ i, s->qscale);
if (ret < 0) {
av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n",
s->mb_x, s->mb_y);
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