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golomb: Give svq3_get_se_golomb()/svq3_get_ue_golomb() better names

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This commit is contained in:
Diego Biurrun 2016-05-24 01:20:34 +02:00
parent 7ca4fdc046
commit 4024b566d6
6 changed files with 49 additions and 49 deletions
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58
libavcodec/dirac.c
View File

@ -148,8 +148,8 @@ static int parse_source_parameters(AVDiracSeqHeader *dsh, GetBitContext *gb,
/* [DIRAC_STD] 10.3.2 Frame size. frame_size(video_params) */
/* [DIRAC_STD] custom_dimensions_flag */
if (get_bits1(gb)) {
dsh->width = svq3_get_ue_golomb(gb); /* [DIRAC_STD] FRAME_WIDTH */
dsh->height = svq3_get_ue_golomb(gb); /* [DIRAC_STD] FRAME_HEIGHT */
dsh->width = get_interleaved_ue_golomb(gb); /* [DIRAC_STD] FRAME_WIDTH */
dsh->height = get_interleaved_ue_golomb(gb); /* [DIRAC_STD] FRAME_HEIGHT */
}
/* [DIRAC_STD] 10.3.3 Chroma Sampling Format.
@ -157,7 +157,7 @@ static int parse_source_parameters(AVDiracSeqHeader *dsh, GetBitContext *gb,
/* [DIRAC_STD] custom_chroma_format_flag */
if (get_bits1(gb))
/* [DIRAC_STD] CHROMA_FORMAT_INDEX */
dsh->chroma_format = svq3_get_ue_golomb(gb);
dsh->chroma_format = get_interleaved_ue_golomb(gb);
if (dsh->chroma_format > 2) {
if (log_ctx)
av_log(log_ctx, AV_LOG_ERROR, "Unknown chroma format %d\n",
@ -169,22 +169,22 @@ static int parse_source_parameters(AVDiracSeqHeader *dsh, GetBitContext *gb,
/* [DIRAC_STD] custom_scan_format_flag */
if (get_bits1(gb))
/* [DIRAC_STD] SOURCE_SAMPLING */
dsh->interlaced = svq3_get_ue_golomb(gb);
dsh->interlaced = get_interleaved_ue_golomb(gb);
if (dsh->interlaced > 1)
return AVERROR_INVALIDDATA;
/* [DIRAC_STD] 10.3.5 Frame Rate. frame_rate(video_params) */
if (get_bits1(gb)) { /* [DIRAC_STD] custom_frame_rate_flag */
dsh->frame_rate_index = svq3_get_ue_golomb(gb);
dsh->frame_rate_index = get_interleaved_ue_golomb(gb);
if (dsh->frame_rate_index > 10)
return AVERROR_INVALIDDATA;
if (!dsh->frame_rate_index) {
/* [DIRAC_STD] FRAME_RATE_NUMER */
frame_rate.num = svq3_get_ue_golomb(gb);
frame_rate.num = get_interleaved_ue_golomb(gb);
/* [DIRAC_STD] FRAME_RATE_DENOM */
frame_rate.den = svq3_get_ue_golomb(gb);
frame_rate.den = get_interleaved_ue_golomb(gb);
}
}
/* [DIRAC_STD] preset_frame_rate(video_params, index) */
@ -201,14 +201,14 @@ static int parse_source_parameters(AVDiracSeqHeader *dsh, GetBitContext *gb,
* pixel_aspect_ratio(video_params) */
if (get_bits1(gb)) { /* [DIRAC_STD] custom_pixel_aspect_ratio_flag */
/* [DIRAC_STD] index */
dsh->aspect_ratio_index = svq3_get_ue_golomb(gb);
dsh->aspect_ratio_index = get_interleaved_ue_golomb(gb);
if (dsh->aspect_ratio_index > 6)
return AVERROR_INVALIDDATA;
if (!dsh->aspect_ratio_index) {
dsh->sample_aspect_ratio.num = svq3_get_ue_golomb(gb);
dsh->sample_aspect_ratio.den = svq3_get_ue_golomb(gb);
dsh->sample_aspect_ratio.num = get_interleaved_ue_golomb(gb);
dsh->sample_aspect_ratio.den = get_interleaved_ue_golomb(gb);
}
}
/* [DIRAC_STD] Take value from Table 10.4 Available preset pixel
@ -220,13 +220,13 @@ static int parse_source_parameters(AVDiracSeqHeader *dsh, GetBitContext *gb,
/* [DIRAC_STD] 10.3.7 Clean area. clean_area(video_params) */
if (get_bits1(gb)) { /* [DIRAC_STD] custom_clean_area_flag */
/* [DIRAC_STD] CLEAN_WIDTH */
dsh->clean_width = svq3_get_ue_golomb(gb);
dsh->clean_width = get_interleaved_ue_golomb(gb);
/* [DIRAC_STD] CLEAN_HEIGHT */
dsh->clean_height = svq3_get_ue_golomb(gb);
dsh->clean_height = get_interleaved_ue_golomb(gb);
/* [DIRAC_STD] CLEAN_LEFT_OFFSET */
dsh->clean_left_offset = svq3_get_ue_golomb(gb);
dsh->clean_left_offset = get_interleaved_ue_golomb(gb);
/* [DIRAC_STD] CLEAN_RIGHT_OFFSET */
dsh->clean_right_offset = svq3_get_ue_golomb(gb);
dsh->clean_right_offset = get_interleaved_ue_golomb(gb);
}
/* [DIRAC_STD] 10.3.8 Signal range. signal_range(video_params)
@ -234,17 +234,17 @@ static int parse_source_parameters(AVDiracSeqHeader *dsh, GetBitContext *gb,
* AVCOL_RANGE_MPEG/JPEG values */
if (get_bits1(gb)) { /* [DIRAC_STD] custom_signal_range_flag */
/* [DIRAC_STD] index */
dsh->pixel_range_index = svq3_get_ue_golomb(gb);
dsh->pixel_range_index = get_interleaved_ue_golomb(gb);
if (dsh->pixel_range_index > 4)
return AVERROR_INVALIDDATA;
// This assumes either fullrange or MPEG levels only
if (!dsh->pixel_range_index) {
luma_offset = svq3_get_ue_golomb(gb);
luma_depth = av_log2(svq3_get_ue_golomb(gb)) + 1;
svq3_get_ue_golomb(gb); /* chroma offset */
svq3_get_ue_golomb(gb); /* chroma excursion */
luma_offset = get_interleaved_ue_golomb(gb);
luma_depth = av_log2(get_interleaved_ue_golomb(gb)) + 1;
get_interleaved_ue_golomb(gb); /* chroma offset */
get_interleaved_ue_golomb(gb); /* chroma excursion */
dsh->color_range = luma_offset ? AVCOL_RANGE_MPEG
: AVCOL_RANGE_JPEG;
}
@ -265,7 +265,7 @@ static int parse_source_parameters(AVDiracSeqHeader *dsh, GetBitContext *gb,
/* [DIRAC_STD] 10.3.9 Colour specification. colour_spec(video_params) */
if (get_bits1(gb)) { /* [DIRAC_STD] custom_colour_spec_flag */
/* [DIRAC_STD] index */
idx = dsh->color_spec_index = svq3_get_ue_golomb(gb);
idx = dsh->color_spec_index = get_interleaved_ue_golomb(gb);
if (dsh->color_spec_index > 4)
return AVERROR_INVALIDDATA;
@ -277,20 +277,20 @@ static int parse_source_parameters(AVDiracSeqHeader *dsh, GetBitContext *gb,
if (!dsh->color_spec_index) {
/* [DIRAC_STD] 10.3.9.1 Colour primaries */
if (get_bits1(gb)) {
idx = svq3_get_ue_golomb(gb);
idx = get_interleaved_ue_golomb(gb);
if (idx < 3)
dsh->color_primaries = dirac_primaries[idx];
}
/* [DIRAC_STD] 10.3.9.2 Colour matrix */
if (get_bits1(gb)) {
idx = svq3_get_ue_golomb(gb);
idx = get_interleaved_ue_golomb(gb);
if (!idx)
dsh->colorspace = AVCOL_SPC_BT709;
else if (idx == 1)
dsh->colorspace = AVCOL_SPC_BT470BG;
}
/* [DIRAC_STD] 10.3.9.3 Transfer function */
if (get_bits1(gb) && !svq3_get_ue_golomb(gb))
if (get_bits1(gb) && !get_interleaved_ue_golomb(gb))
dsh->color_trc = AVCOL_TRC_BT709;
}
} else {
@ -323,13 +323,13 @@ int av_dirac_parse_sequence_header(AVDiracSeqHeader **pdsh,
goto fail;
/* [DIRAC_SPEC] 10.1 Parse Parameters. parse_parameters() */
version_major = svq3_get_ue_golomb(&gb);
svq3_get_ue_golomb(&gb); /* version_minor */
dsh->profile = svq3_get_ue_golomb(&gb);
dsh->level = svq3_get_ue_golomb(&gb);
version_major = get_interleaved_ue_golomb(&gb);
get_interleaved_ue_golomb(&gb); /* version_minor */
dsh->profile = get_interleaved_ue_golomb(&gb);
dsh->level = get_interleaved_ue_golomb(&gb);
/* [DIRAC_SPEC] sequence_header() -> base_video_format as defined in
* 10.2 Base Video Format, table 10.1 Dirac predefined video formats */
video_format = svq3_get_ue_golomb(&gb);
video_format = get_interleaved_ue_golomb(&gb);
if (log_ctx) {
if (version_major < 2)
@ -366,7 +366,7 @@ int av_dirac_parse_sequence_header(AVDiracSeqHeader **pdsh,
/* [DIRAC_STD] picture_coding_mode shall be 0 for fields and 1 for frames
* currently only used to signal field coding */
picture_coding_mode = svq3_get_ue_golomb(&gb);
picture_coding_mode = get_interleaved_ue_golomb(&gb);
if (picture_coding_mode != 0) {
if (log_ctx) {
av_log(log_ctx, AV_LOG_ERROR, "Unsupported picture coding mode %d",

6
libavcodec/golomb.h
View File

@ -108,7 +108,7 @@ static inline int get_ue_golomb_31(GetBitContext *gb)
return ff_ue_golomb_vlc_code[buf];
}
static inline unsigned svq3_get_ue_golomb(GetBitContext *gb)
static inline unsigned get_interleaved_ue_golomb(GetBitContext *gb)
{
uint32_t buf;
@ -218,7 +218,7 @@ static inline int get_se_golomb_long(GetBitContext *gb)
return buf;
}
static inline int svq3_get_se_golomb(GetBitContext *gb)
static inline int get_interleaved_se_golomb(GetBitContext *gb)
{
unsigned int buf;
@ -253,7 +253,7 @@ static inline int svq3_get_se_golomb(GetBitContext *gb)
static inline int dirac_get_se_golomb(GetBitContext *gb)
{
uint32_t ret = svq3_get_ue_golomb(gb);
uint32_t ret = get_interleaved_ue_golomb(gb);
if (ret) {
uint32_t buf;

4
libavcodec/rv30.c
View File

@ -81,7 +81,7 @@ static int rv30_decode_intra_types(RV34DecContext *r, GetBitContext *gb, int8_t
for(i = 0; i < 4; i++, dst += r->intra_types_stride - 4){
for(j = 0; j < 4; j+= 2){
unsigned code = svq3_get_ue_golomb(gb) << 1;
unsigned code = get_interleaved_ue_golomb(gb) << 1;
if(code >= 81*2){
av_log(r->s.avctx, AV_LOG_ERROR, "Incorrect intra prediction code\n");
return -1;
@ -109,7 +109,7 @@ static int rv30_decode_mb_info(RV34DecContext *r)
static const int rv30_b_types[6] = { RV34_MB_SKIP, RV34_MB_B_DIRECT, RV34_MB_B_FORWARD, RV34_MB_B_BACKWARD, RV34_MB_TYPE_INTRA, RV34_MB_TYPE_INTRA16x16 };
MpegEncContext *s = &r->s;
GetBitContext *gb = &s->gb;
unsigned code = svq3_get_ue_golomb(gb);
unsigned code = get_interleaved_ue_golomb(gb);
if (code > 11) {
av_log(s->avctx, AV_LOG_ERROR, "Incorrect MB type code\n");

4
libavcodec/rv34.c
View File

@ -854,8 +854,8 @@ static int rv34_decode_mv(RV34DecContext *r, int block_type)
memset(r->dmv, 0, sizeof(r->dmv));
for(i = 0; i < num_mvs[block_type]; i++){
r->dmv[i][0] = svq3_get_se_golomb(gb);
r->dmv[i][1] = svq3_get_se_golomb(gb);
r->dmv[i][0] = get_interleaved_se_golomb(gb);
r->dmv[i][1] = get_interleaved_se_golomb(gb);
}
switch(block_type){
case RV34_MB_TYPE_INTRA:

2
libavcodec/rv40.c
View File

@ -231,7 +231,7 @@ static int rv40_decode_mb_info(RV34DecContext *r)
int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
if(!r->s.mb_skip_run)
r->s.mb_skip_run = svq3_get_ue_golomb(gb) + 1;
r->s.mb_skip_run = get_interleaved_ue_golomb(gb) + 1;
if(--r->s.mb_skip_run)
return RV34_MB_SKIP;

24
libavcodec/svq3.c
View File

@ -290,7 +290,7 @@ static inline int svq3_decode_block(GetBitContext *gb, int16_t *block,
const uint8_t *const scan = scan_patterns[type];
for (limit = (16 >> intra); index < 16; index = limit, limit += 8) {
for (; (vlc = svq3_get_ue_golomb(gb)) != 0; index++) {
for (; (vlc = get_interleaved_ue_golomb(gb)) != 0; index++) {
int sign = (vlc & 1) ? 0 : -1;
vlc = vlc + 1 >> 1;
@ -527,8 +527,8 @@ static inline int svq3_mc_dir(SVQ3Context *s, int size, int mode,
if (mode == PREDICT_MODE) {
dx = dy = 0;
} else {
dy = svq3_get_se_golomb(&s->gb_slice);
dx = svq3_get_se_golomb(&s->gb_slice);
dy = get_interleaved_se_golomb(&s->gb_slice);
dx = get_interleaved_se_golomb(&s->gb_slice);
if (dx == INVALID_VLC || dy == INVALID_VLC) {
av_log(s->avctx, AV_LOG_ERROR, "invalid MV vlc\n");
@ -839,7 +839,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
/* decode prediction codes for luma blocks */
for (i = 0; i < 16; i += 2) {
vlc = svq3_get_ue_golomb(&s->gb_slice);
vlc = get_interleaved_ue_golomb(&s->gb_slice);
if (vlc >= 25) {
av_log(s->avctx, AV_LOG_ERROR,
@ -917,7 +917,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
if (!IS_INTRA16x16(mb_type) &&
(!IS_SKIP(mb_type) || s->pict_type == AV_PICTURE_TYPE_B)) {
if ((vlc = svq3_get_ue_golomb(&s->gb_slice)) >= 48) {
if ((vlc = get_interleaved_ue_golomb(&s->gb_slice)) >= 48) {
av_log(s->avctx, AV_LOG_ERROR, "cbp_vlc=%"PRIu32"\n", vlc);
return -1;
}
@ -927,7 +927,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
}
if (IS_INTRA16x16(mb_type) ||
(s->pict_type != AV_PICTURE_TYPE_I && s->adaptive_quant && cbp)) {
s->qscale += svq3_get_se_golomb(&s->gb_slice);
s->qscale += get_interleaved_se_golomb(&s->gb_slice);
if (s->qscale > 31u) {
av_log(s->avctx, AV_LOG_ERROR, "qscale:%d\n", s->qscale);
@ -1045,7 +1045,7 @@ static int svq3_decode_slice_header(AVCodecContext *avctx)
skip_bits_long(&s->gb, slice_bytes * 8);
}
if ((slice_id = svq3_get_ue_golomb(&s->gb_slice)) >= 3) {
if ((slice_id = get_interleaved_ue_golomb(&s->gb_slice)) >= 3) {
av_log(s->avctx, AV_LOG_ERROR, "illegal slice type %u \n", slice_id);
return -1;
}
@ -1228,12 +1228,12 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
avctx->has_b_frames = !s->low_delay;
if (s->unknown_flag) {
#if CONFIG_ZLIB
unsigned watermark_width = svq3_get_ue_golomb(&gb);
unsigned watermark_height = svq3_get_ue_golomb(&gb);
int u1 = svq3_get_ue_golomb(&gb);
unsigned watermark_width = get_interleaved_ue_golomb(&gb);
unsigned watermark_height = get_interleaved_ue_golomb(&gb);
int u1 = get_interleaved_ue_golomb(&gb);
int u2 = get_bits(&gb, 8);
int u3 = get_bits(&gb, 2);
int u4 = svq3_get_ue_golomb(&gb);
int u4 = get_interleaved_ue_golomb(&gb);
unsigned long buf_len = watermark_width *
watermark_height * 4;
int offset = get_bits_count(&gb) + 7 >> 3;
@ -1501,7 +1501,7 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
/* TODO: support s->mb_skip_run */
}
mb_type = svq3_get_ue_golomb(&s->gb_slice);
mb_type = get_interleaved_ue_golomb(&s->gb_slice);
if (s->pict_type == AV_PICTURE_TYPE_I)
mb_type += 8;