27 #define BITSTREAM_READER_LE 37 #define BINK_FLAG_ALPHA 0x00100000 38 #define BINK_FLAG_GRAY 0x00020000 61 4, 8, 8, 5, 5, 11, 11, 4, 4, 7
65 0, 0, 0, 1, 1, 0, 1, 0, 0, 0
96 #define GET_HUFF(gb, tree) (tree).syms[get_vlc2(gb, bink_trees[(tree).vlc_num].table,\ 97 bink_trees[(tree).vlc_num].bits, 1)] 230 }
while (size && size2);
246 uint8_t tmp1[16] = { 0 }, tmp2[16], *
in = tmp1, *
out = tmp2;
254 for (i = 0; i < 16; i++)
260 for (i = 0; i <=
len; i++) {
262 tmp1[tree->
syms[
i]] = 1;
264 for (i = 0; i < 16 && len < 16 - 1; i++)
269 for (i = 0; i < 16; i++)
271 for (i = 0; i <=
len; i++) {
273 for (t = 0; t < 16; t += size << 1)
274 merge(gb, out + t, in + t, size);
277 memcpy(tree->
syms, in, 16);
294 for (i = 0; i < 16; i++) {
319 #define CHECK_READ_VAL(gb, b, t) \ 320 if (!b->cur_dec || (b->cur_dec > b->cur_ptr)) \ 322 t = get_bits(gb, b->len); \ 369 v = (v ^ sign) - sign;
378 v = (v ^ sign) - sign;
423 if (dec_end - b->
cur_dec < run)
473 sign = ((int8_t) v) >> 7;
474 v = ((v & 0x7F) ^ sign) - sign;
487 sign = ((int8_t) v) >> 7;
488 v = ((v & 0x7F) ^ sign) - sign;
498 #define DC_START_BITS 11 501 int start_bits,
int has_sign)
503 int i, j,
len, len2, bsize, sign, v, v2;
504 int16_t *dst = (int16_t*)b->
cur_dec;
505 int16_t *dst_end = (int16_t*)b->
data_end;
510 v =
get_bits(gb, start_bits - has_sign);
513 v = (v ^ sign) - sign;
515 if (dst_end - dst < 1)
519 for (i = 0; i <
len; i += 8) {
520 len2 =
FFMIN(len - i, 8);
521 if (dst_end - dst < len2)
525 for (j = 0; j < len2; j++) {
529 v2 = (v2 ^ sign) - sign;
533 if (v < -32768 || v > 32767) {
539 for (j = 0; j < len2; j++)
584 const int mask = 1 << (bits - 1);
594 for (i = 0; i <
len; i++)
597 for (i = 0; i <
len; i++)
601 int16_t *dst = (int16_t*)b->
cur_dec;
604 for (i = 0; i <
len; i++)
607 for (i = 0; i <
len; i++)
639 const uint8_t *scan,
int *coef_count_,
640 int coef_idx[64],
int q)
645 int list_start = 64, list_end = 64, list_pos;
652 coef_list[list_end] = 4; mode_list[list_end++] = 0;
653 coef_list[list_end] = 24; mode_list[list_end++] = 0;
654 coef_list[list_end] = 44; mode_list[list_end++] = 0;
655 coef_list[list_end] = 1; mode_list[list_end++] = 3;
656 coef_list[list_end] = 2; mode_list[list_end++] = 3;
657 coef_list[list_end] = 3; mode_list[list_end++] = 3;
659 for (bits =
get_bits(gb, 4) - 1; bits >= 0; bits--) {
660 list_pos = list_start;
661 while (list_pos < list_end) {
662 if (!(mode_list[list_pos] | coef_list[list_pos]) || !
get_bits1(gb)) {
666 ccoef = coef_list[list_pos];
667 mode = mode_list[list_pos];
670 coef_list[list_pos] = ccoef + 4;
671 mode_list[list_pos] = 1;
674 coef_list[list_pos] = 0;
675 mode_list[list_pos++] = 0;
677 for (i = 0; i < 4; i++, ccoef++) {
679 coef_list[--list_start] = ccoef;
680 mode_list[ list_start] = 3;
687 t = (t ^ sign) - sign;
689 block[scan[ccoef]] = t;
690 coef_idx[coef_count++] = ccoef;
695 mode_list[list_pos] = 2;
696 for (i = 0; i < 3; i++) {
698 coef_list[list_end] = ccoef;
699 mode_list[list_end++] = 2;
708 t = (t ^ sign) - sign;
710 block[scan[ccoef]] = t;
711 coef_idx[coef_count++] = ccoef;
712 coef_list[list_pos] = 0;
713 mode_list[list_pos++] = 0;
723 if (quant_idx > 15
U) {
729 *coef_count_ = coef_count;
735 int coef_count,
int coef_idx[64],
739 block[0] = (
int)(block[0] * quant[0]) >> 11;
740 for (i = 0; i < coef_count; i++) {
741 int idx = coef_idx[
i];
742 block[scan[idx]] = (
int)(block[scan[idx]] * quant[idx]) >> 11;
759 int list_start = 64, list_end = 64, list_pos;
761 int nz_coeff_count = 0;
763 coef_list[list_end] = 4; mode_list[list_end++] = 0;
764 coef_list[list_end] = 24; mode_list[list_end++] = 0;
765 coef_list[list_end] = 44; mode_list[list_end++] = 0;
766 coef_list[list_end] = 0; mode_list[list_end++] = 2;
769 for (i = 0; i < nz_coeff_count; i++) {
772 if (block[nz_coeff[i]] < 0)
773 block[nz_coeff[
i]] -=
mask;
775 block[nz_coeff[
i]] +=
mask;
780 list_pos = list_start;
781 while (list_pos < list_end) {
782 if (!(coef_list[list_pos] | mode_list[list_pos]) || !
get_bits1(gb)) {
786 ccoef = coef_list[list_pos];
787 mode = mode_list[list_pos];
790 coef_list[list_pos] = ccoef + 4;
791 mode_list[list_pos] = 1;
794 coef_list[list_pos] = 0;
795 mode_list[list_pos++] = 0;
797 for (i = 0; i < 4; i++, ccoef++) {
799 coef_list[--list_start] = ccoef;
800 mode_list[ list_start] = 3;
802 nz_coeff[nz_coeff_count++] =
bink_scan[ccoef];
804 block[
bink_scan[ccoef]] = (mask ^ sign) - sign;
812 mode_list[list_pos] = 2;
813 for (i = 0; i < 3; i++) {
815 coef_list[list_end] = ccoef;
816 mode_list[list_end++] = 2;
820 nz_coeff[nz_coeff_count++] =
bink_scan[ccoef];
822 block[
bink_scan[ccoef]] = (mask ^ sign) - sign;
823 coef_list[list_pos] = 0;
824 mode_list[list_pos++] = 0;
843 for (i = 0; i < 8; i++)
844 memcpy(tmp + i*8, src + i*stride, 8);
845 for (i = 0; i < 8; i++)
846 memcpy(dst + i*stride, tmp + i*8, 8);
850 int plane_idx,
int is_key,
int is_chroma)
861 int ybias = is_key ? -15 : 0;
862 int qp, quant_idx, coef_count, coef_idx[64];
869 ref_start = frame->
data[plane_idx];
870 ref_end = frame->
data[plane_idx] + (bh * frame->
linesize[plane_idx] + bw) * 8;
872 for (i = 0; i < 64; i++)
873 coordmap[i] = (i & 7) + (i >> 3) * stride;
875 for (by = 0; by < bh; by++) {
882 for (bx = 0; bx < bw; bx++, dst += 8) {
903 for (j = 0; j <
run; j++)
904 dst[coordmap[*scan++]] = v;
906 for (j = 0; j <
run; j++)
914 memset(dctblock, 0,
sizeof(*dctblock) * 64);
925 ref = dst + xoff + yoff *
stride;
926 if (ref < ref_start || ref + 8*stride > ref_end) {
928 }
else if (ref + 8*stride < dst || ref >= dst + 8*stride) {
941 ref = dst + xoff + yoff *
stride;
942 if (ref < ref_start || ref + 8 * stride > ref_end) {
944 }
else if (ref + 8*stride < dst || ref >= dst + 8*stride) {
949 memset(dctblock, 0,
sizeof(*dctblock) * 64);
962 for (i = 0; i < 2; i++)
964 for (i = 0; i < 8; i++) {
966 for (j = 0; j < 8; j++, v >>= 1)
967 dst[i*stride + j] = col[v & 1];
973 ref = dst + xoff + yoff *
stride;
974 if (ref < ref_start || ref + 8 * stride > ref_end) {
976 }
else if (ref + 8*stride < dst || ref >= dst + 8*stride) {
983 for (i = 0; i < 8; i++)
1007 if (ref < ref_start || ref > ref_end) {
1018 int plane_idx,
int is_chroma)
1022 uint8_t *dst, *prev, *ref_start, *ref_end;
1028 int coordmap[64], quant_idx, coef_count, coef_idx[64];
1039 dst = frame->
data[plane_idx];
1041 for (i = 0; i <
height; i++)
1042 memset(dst + i * stride, fill, width);
1054 : frame->
data[plane_idx];
1056 + (bw - 1 + c->
last->
linesize[plane_idx] * (bh - 1)) * 8;
1058 for (i = 0; i < 64; i++)
1059 coordmap[i] = (i & 7) + (i >> 3) * stride;
1061 for (by = 0; by < bh; by++) {
1083 : frame->
data[plane_idx]) + 8*by*stride;
1084 for (bx = 0; bx < bw; bx++, dst += 8, prev += 8) {
1115 for (j = 0; j <
run; j++)
1116 ublock[*scan++] = v;
1118 for (j = 0; j <
run; j++)
1126 memset(dctblock, 0,
sizeof(*dctblock) * 64);
1138 for (i = 0; i < 2; i++)
1140 for (j = 0; j < 8; j++) {
1142 for (i = 0; i < 8; i++, v >>= 1)
1143 ublock[i + j*8] = col[v & 1];
1147 for (j = 0; j < 8; j++)
1148 for (i = 0; i < 8; i++)
1163 ref_start, ref_end);
1180 for (j = 0; j <
run; j++)
1181 dst[coordmap[*scan++]] = v;
1183 for (j = 0; j <
run; j++)
1192 ref_start, ref_end);
1201 memset(dctblock, 0,
sizeof(*dctblock) * 64);
1214 ref_start, ref_end);
1217 memset(dctblock, 0,
sizeof(*dctblock) * 64);
1225 for (i = 0; i < 2; i++)
1227 for (i = 0; i < 8; i++) {
1229 for (j = 0; j < 8; j++, v >>= 1)
1230 dst[i*stride + j] = col[v & 1];
1234 for (i = 0; i < 8; i++)
1257 int plane, plane_idx, ret;
1258 int bits_count = pkt->
size << 3;
1282 for (plane = 0; plane < 3; plane++) {
1283 plane_idx = (!plane || !c->
swap_planes) ? plane : (plane ^ 3);
1316 static const int s[64]={
1317 1073741824,1489322693,1402911301,1262586814,1073741824, 843633538, 581104888, 296244703,
1318 1489322693,2065749918,1945893874,1751258219,1489322693,1170153332, 806015634, 410903207,
1319 1402911301,1945893874,1832991949,1649649171,1402911301,1102260336, 759250125, 387062357,
1320 1262586814,1751258219,1649649171,1484645031,1262586814, 992008094, 683307060, 348346918,
1321 1073741824,1489322693,1402911301,1262586814,1073741824, 843633538, 581104888, 296244703,
1322 843633538,1170153332,1102260336, 992008094, 843633538, 662838617, 456571181, 232757969,
1323 581104888, 806015634, 759250125, 683307060, 581104888, 456571181, 314491699, 160326478,
1324 296244703, 410903207, 387062357, 348346918, 296244703, 232757969, 160326478, 81733730,
1328 for (i = 0; i < 64; i++)
1331 for (j = 0; j < 16; j++) {
1332 for (i = 0; i < 64; i++) {
1333 int k = inv_bink_scan[
i];
1346 static int binkb_initialised = 0;
1358 if (!bink_trees[15].table) {
1359 for (i = 0; i < 16; i++) {
1361 bink_trees[
i].
table = table + i*128;
1363 init_vlc(&bink_trees[i], maxbits, 16,
1390 if (!binkb_initialised) {
1392 binkb_initialised = 1;
1417 .
name =
"binkvideo",
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
static const uint8_t bink_tree_lens[16][16]
8-bit values for 2-colour pattern fill
This structure describes decoded (raw) audio or video data.
av_cold void ff_binkdsp_init(BinkDSPContext *c)
static const uint8_t bink_tree_bits[16][16]
#define CHECK_READ_VAL(gb, b, t)
common check before starting decoding bundle data
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
#define AV_LOG_WARNING
Something somehow does not look correct.
static void skip_bits_long(GetBitContext *s, int n)
Skips the specified number of bits.
static av_cold int init(AVCodecContext *avctx)
void(* clear_block)(int16_t *block)
void(* scale_block)(const uint8_t src[64], uint8_t *dst, int linesize)
static const uint8_t binkb_den[16]
enum AVColorRange color_range
MPEG vs JPEG YUV range.
static int read_residue(GetBitContext *gb, int16_t block[64], int masks_count)
Read 8x8 block with residue after motion compensation.
av_cold void ff_blockdsp_init(BlockDSPContext *c, AVCodecContext *avctx)
static void unquantize_dct_coeffs(int32_t block[64], const uint32_t quant[64], int coef_count, int coef_idx[64], const uint8_t *scan)
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
8-bit values for 2-colour pattern fill
static const uint8_t bink_scan[64]
Bink DCT and residue 8x8 block scan order.
#define init_vlc(vlc, nb_bits, nb_codes, bits, bits_wrap, bits_size, codes, codes_wrap, codes_size, flags)
Tree col_high[16]
trees for decoding high nibble in "colours" data type
static void decode(AVCodecContext *dec_ctx, AVPacket *pkt, AVFrame *frame, FILE *outfile)
16x16 block types (a subset of 8x8 block types)
int len
length of number of entries to decode (in bits)
Macro definitions for various function/variable attributes.
static int32_t binkb_inter_quant[16][64]
void(* idct_put)(uint8_t *dest, int line_size, int32_t *block)
quantizer values for interblocks with DCT
static av_cold void binkb_init_bundle(BinkContext *c, int bundle_num)
static int read_patterns(AVCodecContext *avctx, GetBitContext *gb, Bundle *b)
X components of motion value.
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
motion block with DCT applied to the difference
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
static int binkb_get_value(BinkContext *c, int bundle_num)
static void put_pixels8x8_overlapped(uint8_t *dst, uint8_t *src, int stride)
Copy 8x8 block from source to destination, where src and dst may be overlapped.
Tree tree
Huffman tree-related data.
BlockTypes
Bink video block types.
static av_cold int end(AVCodecContext *avctx)
int av_frame_ref(AVFrame *dst, const AVFrame *src)
Set up a new reference to the data described by the source frame.
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
#define u(width, name, range_min, range_max)
static const int32_t bink_inter_quant[16][64]
static int get_bits_count(const GetBitContext *s)
int vlc_num
tree number (in bink_trees[])
bitstream reader API header.
static int read_runs(AVCodecContext *avctx, GetBitContext *gb, Bundle *b)
data structure used for decoding single Bink data type
static const uint8_t bink_patterns[16][64]
static const uint16_t table[]
uint8_t * data
buffer for decoded symbols
block is copied from previous frame with some offset
static int get_bits_left(GetBitContext *gb)
#define i(width, name, range_min, range_max)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
uint8_t * data_end
buffer end
static const uint16_t mask[17]
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Identical in function to ff_get_buffer(), except it reuses the existing buffer if available...
static av_cold void free_bundles(BinkContext *c)
Free memory used by bundles.
int flags
AV_CODEC_FLAG_*.
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
const char * name
Name of the codec implementation.
int col_lastval
value of last decoded high nibble in "colours" data type
DC values for interblocks with DCT.
av_cold void ff_hpeldsp_init(HpelDSPContext *c, int flags)
block is composed from runs of colours with custom scan order
common internal API header
block is filled with single colour
static av_cold void binkb_calc_quant(void)
Calculate quantization tables for version b.
int av_image_check_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx)
Check if the given dimension of an image is valid, meaning that all bytes of the image can be address...
int width
picture width / height.
static int binkb_decode_plane(BinkContext *c, AVFrame *frame, GetBitContext *gb, int plane_idx, int is_key, int is_chroma)
Y components of motion value.
void(* idct_add)(uint8_t *dest, int line_size, int32_t *block)
number of coefficients for residue blocks
static const uint8_t binkb_inter_seed[64]
the normal 2^n-1 "JPEG" YUV ranges
static const uint8_t binkb_runbits[64]
static int bink_decode_plane(BinkContext *c, AVFrame *frame, GetBitContext *gb, int plane_idx, int is_chroma)
data needed to decode 4-bit Huffman-coded value
uint8_t * cur_dec
pointer to the not yet decoded part of the buffer
Libavcodec external API header.
quantizer values for intrablocks with DCT
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
void(* add_pixels8)(uint8_t *av_restrict pixels, int16_t *block, int line_size)
#define DC_START_BITS
number of bits used to store first DC value in bundle
main external API structure.
unsigned int codec_tag
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
op_pixels_func put_pixels_tab[4][4]
Halfpel motion compensation with rounding (a+b+1)>>1.
static av_cold int decode_init(AVCodecContext *avctx)
static unsigned int get_bits1(GetBitContext *s)
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method !=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2) { ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc) { av_free(ac);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
static const int32_t bink_intra_quant[16][64]
DC values for interblocks with DCT.
Sources
IDs for different data types used in Bink video codec.
block is filled with two colours following custom pattern
static av_cold void binkb_init_bundles(BinkContext *c)
static int32_t binkb_intra_quant[16][64]
static int read_dct_coeffs(BinkContext *c, GetBitContext *gb, int32_t block[64], const uint8_t *scan, int *coef_count_, int coef_idx[64], int q)
Read 8x8 block of DCT coefficients.
static int init_get_bits(GetBitContext *s, const uint8_t *buffer, int bit_size)
Initialize GetBitContext.
static const uint8_t binkb_num[16]
#define GET_HUFF(gb, tree)
run lengths for special fill block
Y components of motion value.
static VLC bink_trees[16]
static void merge(GetBitContext *gb, uint8_t *dst, uint8_t *src, int size)
Merge two consequent lists of equal size depending on bits read.
static int read_bundle(GetBitContext *gb, BinkContext *c, int bundle_num)
Prepare bundle for decoding data.
void av_frame_unref(AVFrame *frame)
Unreference all the buffers referenced by frame and reset the frame fields.
Bundle bundle[BINKB_NB_SRC]
bundles for decoding all data types
#define flags(name, subs,...)
static void flush(AVCodecContext *avctx)
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
pixel values used for different block types
the normal 219*2^(n-8) "MPEG" YUV ranges
X components of motion value.
#define LOCAL_ALIGNED_32(t, v,...)
uint8_t * cur_ptr
pointer to the data that is not read from buffer yet
static const uint8_t binkb_intra_seed[64]
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
static int binkb_read_bundle(BinkContext *c, GetBitContext *gb, int bundle_num)
common internal api header.
static int ref[MAX_W *MAX_W]
static void init_lengths(BinkContext *c, int width, int bw)
Initialize length in all bundles.
static av_cold int init_bundles(BinkContext *c)
Allocate memory for bundles.
#define INIT_VLC_USE_NEW_STATIC
static int read_colors(GetBitContext *gb, Bundle *b, BinkContext *c)
static int read_block_types(AVCodecContext *avctx, GetBitContext *gb, Bundle *b)
uint8_t syms[16]
leaf value to symbol mapping
static int read_dcs(AVCodecContext *avctx, GetBitContext *gb, Bundle *b, int start_bits, int has_sign)
static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *pkt)
DC values for intrablocks with DCT.
static int read_tree(GetBitContext *gb, Tree *tree)
Read information about Huffman tree used to decode data.
static int read_motion_values(AVCodecContext *avctx, GetBitContext *gb, Bundle *b)
motion block with some difference added
VLC_TYPE(* table)[2]
code, bits
static int bink_put_pixels(BinkContext *c, uint8_t *dst, uint8_t *prev, int stride, uint8_t *ref_start, uint8_t *ref_end)
static const int binkb_bundle_sizes[BINKB_NB_SRC]
int version
internal Bink file version
static const int binkb_bundle_signed[BINKB_NB_SRC]
static av_cold int decode_end(AVCodecContext *avctx)
#define LOCAL_ALIGNED_16(t, v,...)
#define FFSWAP(type, a, b)
static const uint8_t bink_rlelens[4]
pixel values used for different block types
static int get_value(BinkContext *c, int bundle)
Retrieve next value from bundle.
static double val(void *priv, double ch)
This structure stores compressed data.
#define AV_GET_BUFFER_FLAG_REF
The decoder will keep a reference to the frame and may reuse it later.
mode
Use these values in ebur128_init (or'ed).
DC values for intrablocks with DCT.
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
OldSources
IDs for different data types used in old version of Bink video codec.
op_fill_func fill_block_tab[2]