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https://github.com/FFmpeg/FFmpeg.git
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flacdec: remove some unused code
Originally committed as revision 16749 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
parent
dfcb6b56f9
commit
c5706efd57
@ -426,21 +426,7 @@ static inline int decode_subframe(FLACContext *s, int channel)
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return -1;
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}
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type = get_bits(&s->gb, 6);
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// wasted = get_bits1(&s->gb);
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// if (wasted)
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// {
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// while (!get_bits1(&s->gb))
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// wasted++;
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// if (wasted)
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// wasted++;
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// s->curr_bps -= wasted;
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// }
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#if 0
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wasted= 16 - av_log2(show_bits(&s->gb, 17));
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skip_bits(&s->gb, wasted+1);
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s->curr_bps -= wasted;
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#else
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if (get_bits1(&s->gb))
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{
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wasted = 1;
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@ -449,7 +435,7 @@ static inline int decode_subframe(FLACContext *s, int channel)
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s->curr_bps -= wasted;
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av_log(s->avctx, AV_LOG_DEBUG, "%d wasted bits\n", wasted);
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}
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#endif
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//FIXME use av_log2 for types
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if (type == 0)
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{
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@ -533,12 +519,6 @@ static int decode_frame(FLACContext *s, int alloc_data_size)
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av_log(s->avctx, AV_LOG_ERROR, "utf8 fscked\n");
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return -1;
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}
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#if 0
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if (/*((blocksize_code == 6) || (blocksize_code == 7)) &&*/
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(s->min_blocksize != s->max_blocksize)){
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}else{
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}
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#endif
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if (blocksize_code == 0)
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blocksize = s->min_blocksize;
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@ -666,49 +646,6 @@ static int flac_decode_frame(AVCodecContext *avctx,
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return -1;
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}
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#if 0
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/* fix the channel order here */
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if (s->order == MID_SIDE)
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{
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short *left = samples;
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short *right = samples + s->blocksize;
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for (i = 0; i < s->blocksize; i += 2)
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{
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uint32_t x = s->decoded[0][i];
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uint32_t y = s->decoded[0][i+1];
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right[i] = x - (y / 2);
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left[i] = right[i] + y;
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}
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*data_size = 2 * s->blocksize;
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}
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else
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{
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for (i = 0; i < s->channels; i++)
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{
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switch(s->order)
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{
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case INDEPENDENT:
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for (j = 0; j < s->blocksize; j++)
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samples[(s->blocksize*i)+j] = s->decoded[i][j];
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break;
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case LEFT_SIDE:
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case RIGHT_SIDE:
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if (i == 0)
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for (j = 0; j < s->blocksize; j++)
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samples[(s->blocksize*i)+j] = s->decoded[0][j];
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else
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for (j = 0; j < s->blocksize; j++)
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samples[(s->blocksize*i)+j] = s->decoded[0][j] - s->decoded[i][j];
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break;
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// case MID_SIDE:
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// av_log(s->avctx, AV_LOG_DEBUG, "mid-side unsupported\n");
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}
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*data_size += s->blocksize;
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}
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}
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#else
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#define DECORRELATE(left, right)\
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assert(s->channels == 2);\
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for (i = 0; i < s->blocksize; i++)\
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@ -736,12 +673,10 @@ static int flac_decode_frame(AVCodecContext *avctx,
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case MID_SIDE:
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DECORRELATE( (a-=b>>1) + b, a)
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}
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#endif
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*data_size = (int8_t *)samples - (int8_t *)data;
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// av_log(s->avctx, AV_LOG_DEBUG, "data size: %d\n", *data_size);
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// s->last_blocksize = s->blocksize;
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end:
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i= (get_bits_count(&s->gb)+7)/8;
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if(i > buf_size){
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