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dv: fix comment spelling

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Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
Clément Bœsch 2011-07-05 10:30:48 +02:00 committed by Diego Biurrun
parent 965dbe09b0
commit 65614321db
1 changed files with 9 additions and 10 deletions
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19
libavcodec/dv.c
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@ -370,7 +370,6 @@ typedef struct BlockInfo {
/* bit budget for AC only in 5 MBs */
static const int vs_total_ac_bits = (100 * 4 + 68*2) * 5;
/* see dv_88_areas and dv_248_areas for details */
static const int mb_area_start[5] = { 1, 6, 21, 43, 64 };
static inline int put_bits_left(PutBitContext* s)
@ -378,7 +377,7 @@ static inline int put_bits_left(PutBitContext* s)
return (s->buf_end - s->buf) * 8 - put_bits_count(s);
}
/* decode ac coefficients */
/* decode AC coefficients */
static void dv_decode_ac(GetBitContext *gb, BlockInfo *mb, DCTELEM *block)
{
int last_index = gb->size_in_bits;
@ -391,7 +390,7 @@ static void dv_decode_ac(GetBitContext *gb, BlockInfo *mb, DCTELEM *block)
OPEN_READER(re, gb);
UPDATE_CACHE(re, gb);
/* if we must parse a partial vlc, we do it here */
/* if we must parse a partial VLC, we do it here */
if (partial_bit_count > 0) {
re_cache = ((unsigned)re_cache >> partial_bit_count) |
(mb->partial_bit_buffer << (sizeof(re_cache) * 8 - partial_bit_count));
@ -486,7 +485,7 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
memset(sblock, 0, 5*DV_MAX_BPM*sizeof(*sblock));
/* pass 1 : read DC and AC coefficients in blocks */
/* pass 1: read DC and AC coefficients in blocks */
buf_ptr = &s->buf[work_chunk->buf_offset*80];
block1 = &sblock[0][0];
mb1 = mb_data;
@ -503,7 +502,7 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
last_index = s->sys->block_sizes[j];
init_get_bits(&gb, buf_ptr, last_index);
/* get the dc */
/* get the DC */
dc = get_sbits(&gb, 9);
dct_mode = get_bits1(&gb);
class1 = get_bits(&gb, 2);
@ -530,7 +529,7 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
av_dlog(avctx, "MB block: %d, %d ", mb_index, j);
dv_decode_ac(&gb, mb, block);
/* write the remaining bits in a new buffer only if the
/* write the remaining bits in a new buffer only if the
block is finished */
if (mb->pos >= 64)
bit_copy(&pb, &gb);
@ -539,7 +538,7 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
mb++;
}
/* pass 2 : we can do it just after */
/* pass 2: we can do it just after */
av_dlog(avctx, "***pass 2 size=%d MB#=%d\n", put_bits_count(&pb), mb_index);
block = block1;
mb = mb1;
@ -559,7 +558,7 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
bit_copy(&vs_pb, &gb);
}
/* we need a pass other the whole video segment */
/* we need a pass over the whole video segment */
av_dlog(avctx, "***pass 3 size=%d\n", put_bits_count(&vs_pb));
block = &sblock[0][0];
mb = mb_data;
@ -640,7 +639,7 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
}
#if CONFIG_SMALL
/* Converts run and level (where level != 0) pair into vlc, returning bit size */
/* Converts run and level (where level != 0) pair into VLC, returning bit size */
static av_always_inline int dv_rl2vlc(int run, int level, int sign, uint32_t* vlc)
{
int size;
@ -817,7 +816,7 @@ static av_always_inline int dv_init_enc_block(EncBlockInfo* bi, uint8_t *data, i
if (level + 15 > 30U) {
bi->sign[i] = (level >> 31) & 1;
/* weigh it and and shift down into range, adding for rounding */
/* weight it and and shift down into range, adding for rounding */
/* the extra division by a factor of 2^4 reverses the 8x expansion of the DCT
AND the 2x doubling of the weights */
level = (FFABS(level) * weight[i] + (1 << (dv_weight_bits+3))) >> (dv_weight_bits+4);