28 #define BITSTREAM_READER_LE
38 #define BINK_FLAG_ALPHA 0x00100000
39 #define BINK_FLAG_GRAY 0x00020000
62 4, 8, 8, 5, 5, 11, 11, 4, 4, 7
66 0, 0, 0, 1, 1, 0, 1, 0, 0, 0
97 #define GET_HUFF(gb, tree) (tree).syms[get_vlc2(gb, bink_trees[(tree).vlc_num].table,\
98 bink_trees[(tree).vlc_num].bits, 1)]
185 bw = (
c->avctx->width + 7) >> 3;
186 bh = (
c->avctx->height + 7) >> 3;
193 c->bundle[
i].data =
tmp;
195 c->bundle[
i].data_end =
tmp;
232 }
while (
size && size2);
248 uint8_t tmp1[16] = { 0 }, tmp2[16], *
in = tmp1, *
out = tmp2;
256 for (
i = 0;
i < 16;
i++)
262 for (
i = 0;
i <=
len;
i++) {
264 tmp1[tree->
syms[
i]] = 1;
266 for (
i = 0;
i < 16 &&
len < 16 - 1;
i++)
271 for (
i = 0;
i < 16;
i++)
273 for (
i = 0;
i <=
len;
i++) {
275 for (t = 0; t < 16; t +=
size << 1)
279 memcpy(tree->
syms,
in, 16);
296 for (
i = 0;
i < 16;
i++) {
304 int ret =
read_tree(gb, &
c->bundle[bundle_num].tree);
308 c->bundle[bundle_num].cur_dec =
309 c->bundle[bundle_num].cur_ptr =
c->bundle[bundle_num].data;
321 #define CHECK_READ_VAL(gb, b, t) \
322 if (!b->cur_dec || (b->cur_dec > b->cur_ptr)) \
324 t = get_bits(gb, b->len); \
336 dec_end =
b->cur_dec + t;
337 if (dec_end >
b->data_end) {
345 memset(
b->cur_dec, v, t);
348 while (
b->cur_dec < dec_end)
360 dec_end =
b->cur_dec + t;
361 if (dec_end >
b->data_end) {
371 v = (v ^ sign) - sign;
373 memset(
b->cur_dec, v, t);
376 while (
b->cur_dec < dec_end) {
380 v = (v ^ sign) - sign;
398 if (
c->version ==
'k') {
405 dec_end =
b->cur_dec + t;
406 if (dec_end >
b->data_end) {
414 memset(
b->cur_dec, v, t);
417 while (
b->cur_dec < dec_end) {
425 if (dec_end -
b->cur_dec <
run)
427 memset(
b->cur_dec, last,
run);
441 dec_end =
b->cur_dec + t;
442 if (dec_end >
b->data_end) {
446 while (
b->cur_dec < dec_end) {
463 dec_end =
b->cur_dec + t;
464 if (dec_end >
b->data_end) {
471 c->col_lastval =
GET_HUFF(gb,
c->col_high[
c->col_lastval]);
473 v = (
c->col_lastval << 4) | v;
474 if (
c->version <
'i') {
475 sign = ((int8_t) v) >> 7;
476 v = ((v & 0x7F) ^ sign) - sign;
479 memset(
b->cur_dec, v, t);
482 while (
b->cur_dec < dec_end) {
485 c->col_lastval =
GET_HUFF(gb,
c->col_high[
c->col_lastval]);
487 v = (
c->col_lastval << 4) | v;
488 if (
c->version <
'i') {
489 sign = ((int8_t) v) >> 7;
490 v = ((v & 0x7F) ^ sign) - sign;
500 #define DC_START_BITS 11
503 int start_bits,
int has_sign)
505 int i, j,
len, len2, bsize, sign, v, v2;
506 int16_t *dst = (int16_t*)
b->cur_dec;
507 int16_t *dst_end = (int16_t*)
b->data_end;
512 v =
get_bits(gb, start_bits - has_sign);
515 v = (v ^ sign) - sign;
517 if (dst_end - dst < 1)
521 for (
i = 0;
i <
len;
i += 8) {
523 if (dst_end - dst < len2)
527 for (j = 0; j < len2; j++) {
531 v2 = (v2 ^ sign) - sign;
535 if (v < -32768 || v > 32767) {
541 for (j = 0; j < len2; j++)
561 return *
c->bundle[bundle].cur_ptr++;
563 return (int8_t)*
c->bundle[bundle].cur_ptr++;
564 ret = *(int16_t*)
c->bundle[bundle].cur_ptr;
565 c->bundle[bundle].cur_ptr += 2;
571 c->bundle[bundle_num].cur_dec =
572 c->bundle[bundle_num].cur_ptr =
c->bundle[bundle_num].data;
573 c->bundle[bundle_num].len = 13;
592 if (
b->data_end -
b->cur_dec <
len * (1 + (
bits > 8)))
603 int16_t *dst = (int16_t*)
b->cur_dec;
623 int val = *
c->bundle[bundle_num].cur_ptr++;
626 ret = *(int16_t*)
c->bundle[bundle_num].cur_ptr;
627 c->bundle[bundle_num].cur_ptr += 2;
641 const uint8_t *scan,
int *coef_count_,
642 int coef_idx[64],
int q)
647 int list_start = 64, list_end = 64, list_pos;
654 coef_list[list_end] = 4; mode_list[list_end++] = 0;
655 coef_list[list_end] = 24; mode_list[list_end++] = 0;
656 coef_list[list_end] = 44; mode_list[list_end++] = 0;
657 coef_list[list_end] = 1; mode_list[list_end++] = 3;
658 coef_list[list_end] = 2; mode_list[list_end++] = 3;
659 coef_list[list_end] = 3; mode_list[list_end++] = 3;
662 list_pos = list_start;
663 while (list_pos < list_end) {
664 if (!(mode_list[list_pos] | coef_list[list_pos]) || !
get_bits1(gb)) {
668 ccoef = coef_list[list_pos];
669 mode = mode_list[list_pos];
672 coef_list[list_pos] = ccoef + 4;
673 mode_list[list_pos] = 1;
676 coef_list[list_pos] = 0;
677 mode_list[list_pos++] = 0;
679 for (
i = 0;
i < 4;
i++, ccoef++) {
681 coef_list[--list_start] = ccoef;
682 mode_list[ list_start] = 3;
689 t = (t ^ sign) - sign;
691 block[scan[ccoef]] = t;
692 coef_idx[coef_count++] = ccoef;
697 mode_list[list_pos] = 2;
698 for (
i = 0;
i < 3;
i++) {
700 coef_list[list_end] = ccoef;
701 mode_list[list_end++] = 2;
710 t = (t ^ sign) - sign;
712 block[scan[ccoef]] = t;
713 coef_idx[coef_count++] = ccoef;
714 coef_list[list_pos] = 0;
715 mode_list[list_pos++] = 0;
725 if (quant_idx > 15U) {
731 *coef_count_ = coef_count;
737 int coef_count,
int coef_idx[64],
742 for (
i = 0;
i < coef_count;
i++) {
743 int idx = coef_idx[
i];
761 int list_start = 64, list_end = 64, list_pos;
763 int nz_coeff_count = 0;
765 coef_list[list_end] = 4; mode_list[list_end++] = 0;
766 coef_list[list_end] = 24; mode_list[list_end++] = 0;
767 coef_list[list_end] = 44; mode_list[list_end++] = 0;
768 coef_list[list_end] = 0; mode_list[list_end++] = 2;
771 for (
i = 0;
i < nz_coeff_count;
i++) {
774 if (
block[nz_coeff[
i]] < 0)
782 list_pos = list_start;
783 while (list_pos < list_end) {
784 if (!(coef_list[list_pos] | mode_list[list_pos]) || !
get_bits1(gb)) {
788 ccoef = coef_list[list_pos];
789 mode = mode_list[list_pos];
792 coef_list[list_pos] = ccoef + 4;
793 mode_list[list_pos] = 1;
796 coef_list[list_pos] = 0;
797 mode_list[list_pos++] = 0;
799 for (
i = 0;
i < 4;
i++, ccoef++) {
801 coef_list[--list_start] = ccoef;
802 mode_list[ list_start] = 3;
804 nz_coeff[nz_coeff_count++] =
bink_scan[ccoef];
814 mode_list[list_pos] = 2;
815 for (
i = 0;
i < 3;
i++) {
817 coef_list[list_end] = ccoef;
818 mode_list[list_end++] = 2;
822 nz_coeff[nz_coeff_count++] =
bink_scan[ccoef];
825 coef_list[list_pos] = 0;
826 mode_list[list_pos++] = 0;
845 for (
i = 0;
i < 8;
i++)
847 for (
i = 0;
i < 8;
i++)
852 int plane_idx,
int is_key,
int is_chroma)
863 int ybias = is_key ? -15 : 0;
864 int qp, quant_idx, coef_count, coef_idx[64];
867 int bw = is_chroma ? (
c->avctx->width + 15) >> 4 : (
c->avctx->width + 7) >> 3;
868 int bh = is_chroma ? (
c->avctx->height + 15) >> 4 : (
c->avctx->height + 7) >> 3;
874 for (
i = 0;
i < 64;
i++)
875 coordmap[
i] = (
i & 7) + (
i >> 3) *
stride;
877 for (by = 0; by < bh; by++) {
884 for (bx = 0; bx < bw; bx++, dst += 8) {
905 for (j = 0; j <
run; j++)
906 dst[coordmap[*scan++]] = v;
908 for (j = 0; j <
run; j++)
916 memset(dctblock, 0,
sizeof(*dctblock) * 64);
922 c->binkdsp.idct_put(dst,
stride, dctblock);
928 if (ref < ref_start || ref + 8*stride > ref_end) {
930 }
else if (
ref + 8*stride < dst || ref >= dst + 8*
stride) {
935 c->bdsp.clear_block(
block);
944 if (ref < ref_start || ref + 8 * stride > ref_end) {
946 }
else if (
ref + 8*stride < dst || ref >= dst + 8*
stride) {
951 memset(dctblock, 0,
sizeof(*dctblock) * 64);
957 c->binkdsp.idct_add(dst,
stride, dctblock);
961 c->bdsp.fill_block_tab[1](dst, v,
stride, 8);
964 for (
i = 0;
i < 2;
i++)
966 for (
i = 0;
i < 8;
i++) {
968 for (j = 0; j < 8; j++, v >>= 1)
969 dst[
i*
stride + j] = col[v & 1];
976 if (ref < ref_start || ref + 8 * stride > ref_end) {
978 }
else if (
ref + 8*stride < dst || ref >= dst + 8*
stride) {
985 for (
i = 0;
i < 8;
i++)
1009 if (ref < ref_start || ref > ref_end) {
1020 int plane_idx,
int is_chroma)
1024 uint8_t *dst, *prev, *ref_start, *ref_end;
1030 int coordmap[64], quant_idx, coef_count, coef_idx[64];
1033 int bw = is_chroma ? (
c->avctx->width + 15) >> 4 : (
c->avctx->width + 7) >> 3;
1034 int bh = is_chroma ? (
c->avctx->height + 15) >> 4 : (
c->avctx->height + 7) >> 3;
1035 int width =
c->avctx->width >> is_chroma;
1036 int height =
c->avctx->height >> is_chroma;
1055 ref_start =
c->last->data[plane_idx] ?
c->last->data[plane_idx]
1058 + (bw - 1 +
c->last->linesize[plane_idx] * (bh - 1)) * 8;
1060 for (
i = 0;
i < 64;
i++)
1061 coordmap[
i] = (
i & 7) + (
i >> 3) *
stride;
1063 for (by = 0; by < bh; by++) {
1084 prev = (
c->last->data[plane_idx] ?
c->last->data[plane_idx]
1086 for (bx = 0; bx < bw; bx++, dst += 8, prev += 8) {
1097 c->put_pixels_tab(dst, prev,
stride, 8);
1117 for (j = 0; j <
run; j++)
1118 ublock[*scan++] = v;
1120 for (j = 0; j <
run; j++)
1128 memset(dctblock, 0,
sizeof(*dctblock) * 64);
1133 c->binkdsp.idct_put(ublock, 8, dctblock);
1137 c->bdsp.fill_block_tab[0](dst, v,
stride, 16);
1140 for (
i = 0;
i < 2;
i++)
1142 for (j = 0; j < 8; j++) {
1144 for (
i = 0; i < 8; i++, v >>= 1)
1145 ublock[
i + j*8] = col[v & 1];
1149 for (j = 0; j < 8; j++)
1150 for (
i = 0;
i < 8;
i++)
1158 c->binkdsp.scale_block(ublock, dst,
stride);
1165 ref_start, ref_end);
1182 for (j = 0; j <
run; j++)
1183 dst[coordmap[*scan++]] = v;
1185 for (j = 0; j <
run; j++)
1194 ref_start, ref_end);
1197 c->bdsp.clear_block(
block);
1203 memset(dctblock, 0,
sizeof(*dctblock) * 64);
1208 c->binkdsp.idct_put(dst,
stride, dctblock);
1212 c->bdsp.fill_block_tab[1](dst, v,
stride, 8);
1216 ref_start, ref_end);
1219 memset(dctblock, 0,
sizeof(*dctblock) * 64);
1224 c->binkdsp.idct_add(dst,
stride, dctblock);
1227 for (
i = 0;
i < 2;
i++)
1229 for (
i = 0;
i < 8;
i++) {
1231 for (j = 0; j < 8; j++, v >>= 1)
1232 dst[
i*
stride + j] = col[v & 1];
1236 for (
i = 0;
i < 8;
i++)
1259 int plane, plane_idx, ret;
1260 int bits_count =
pkt->
size << 3;
1262 if (
c->version >
'b') {
1274 if (
c->version >=
'i')
1279 if (
c->version >=
'i')
1284 for (plane = 0; plane < 3; plane++) {
1285 plane_idx = (!plane || !
c->swap_planes) ? plane : (plane ^ 3);
1287 if (
c->version >
'b') {
1292 c->frame_num == 1, !!plane)) < 0)
1300 if (
c->version >
'b') {
1318 static const int s[64]={
1319 1073741824,1489322693,1402911301,1262586814,1073741824, 843633538, 581104888, 296244703,
1320 1489322693,2065749918,1945893874,1751258219,1489322693,1170153332, 806015634, 410903207,
1321 1402911301,1945893874,1832991949,1649649171,1402911301,1102260336, 759250125, 387062357,
1322 1262586814,1751258219,1649649171,1484645031,1262586814, 992008094, 683307060, 348346918,
1323 1073741824,1489322693,1402911301,1262586814,1073741824, 843633538, 581104888, 296244703,
1324 843633538,1170153332,1102260336, 992008094, 843633538, 662838617, 456571181, 232757969,
1325 581104888, 806015634, 759250125, 683307060, 581104888, 456571181, 314491699, 160326478,
1326 296244703, 410903207, 387062357, 348346918, 296244703, 232757969, 160326478, 81733730,
1330 for (
i = 0;
i < 64;
i++)
1333 for (j = 0; j < 16; j++) {
1334 for (
i = 0;
i < 64;
i++) {
1335 int k = inv_bink_scan[
i];
1348 static int binkb_initialised = 0;
1360 c->swap_planes =
c->version >=
'h';
1362 for (
i = 0;
i < 16;
i++) {
1391 if (
c->version ==
'b') {
1392 if (!binkb_initialised) {
1394 binkb_initialised = 1;
1419 .
name =
"binkvideo",
static double val(void *priv, double ch)
Macro definitions for various function/variable attributes.
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)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
Libavcodec external API header.
static av_cold int init(AVCodecContext *avctx)
static const uint8_t binkb_inter_seed[64]
static const uint8_t bink_tree_bits[16][16]
static const uint8_t binkb_runbits[64]
static const uint8_t bink_scan[64]
Bink DCT and residue 8x8 block scan order.
static const int32_t bink_intra_quant[16][64]
static const uint8_t binkb_intra_seed[64]
static const uint8_t bink_patterns[16][64]
static const int32_t bink_inter_quant[16][64]
static const uint8_t bink_tree_lens[16][16]
static const uint8_t binkb_num[16]
static const uint8_t binkb_den[16]
av_cold void ff_binkdsp_init(BinkDSPContext *c)
#define flags(name, subs,...)
#define FFSWAP(type, a, b)
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
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 void decode(AVCodecContext *dec_ctx, AVPacket *pkt, AVFrame *frame, FILE *outfile)
mode
Use these values in ebur128_init (or'ed).
bitstream reader API header.
static int get_bits_left(GetBitContext *gb)
static void skip_bits_long(GetBitContext *s, int n)
Skips the specified number of bits.
static unsigned int get_bits1(GetBitContext *s)
static int get_bits_count(const GetBitContext *s)
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
static int init_get_bits(GetBitContext *s, const uint8_t *buffer, int bit_size)
Initialize GetBitContext.
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() or get_encode_buffer() for allocating buffers and supports custom allocators.
#define AV_GET_BUFFER_FLAG_REF
The decoder will keep a reference to the frame and may reuse it later.
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
void av_frame_unref(AVFrame *frame)
Unreference all the buffers referenced by frame and reset the frame fields.
int av_frame_ref(AVFrame *dst, const AVFrame *src)
Set up a new reference to the data described by the source frame.
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
#define AV_LOG_WARNING
Something somehow does not look correct.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
void * av_calloc(size_t nmemb, size_t size)
Non-inlined equivalent of av_mallocz_array().
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...
av_cold void ff_hpeldsp_init(HpelDSPContext *c, int flags)
void(* op_pixels_func)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
static const uint8_t bink_rlelens[4]
static int binkb_decode_plane(BinkContext *c, AVFrame *frame, GetBitContext *gb, int plane_idx, int is_key, int is_chroma)
static int read_block_types(AVCodecContext *avctx, GetBitContext *gb, Bundle *b)
static int read_tree(GetBitContext *gb, Tree *tree)
Read information about Huffman tree used to decode data.
static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *pkt)
static int binkb_read_bundle(BinkContext *c, GetBitContext *gb, int bundle_num)
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)
#define DC_START_BITS
number of bits used to store first DC value in bundle
static av_cold void free_bundles(BinkContext *c)
Free memory used by bundles.
static int read_bundle(GetBitContext *gb, BinkContext *c, int bundle_num)
Prepare bundle for decoding data.
static const int binkb_bundle_signed[BINKB_NB_SRC]
Sources
IDs for different data types used in Bink video codec.
@ BINK_SRC_INTER_DC
DC values for interblocks with DCT.
@ BINK_SRC_SUB_BLOCK_TYPES
16x16 block types (a subset of 8x8 block types)
@ BINK_SRC_INTRA_DC
DC values for intrablocks with DCT.
@ BINK_SRC_PATTERN
8-bit values for 2-colour pattern fill
@ BINK_SRC_BLOCK_TYPES
8x8 block types
@ BINK_SRC_Y_OFF
Y components of motion value.
@ BINK_SRC_RUN
run lengths for special fill block
@ BINK_SRC_COLORS
pixel values used for different block types
@ BINK_SRC_X_OFF
X components of motion value.
OldSources
IDs for different data types used in old version of Bink video codec.
@ BINKB_SRC_INTRA_Q
quantizer values for intrablocks with DCT
@ BINKB_SRC_INTRA_DC
DC values for intrablocks with DCT.
@ BINKB_SRC_PATTERN
8-bit values for 2-colour pattern fill
@ BINKB_SRC_COLORS
pixel values used for different block types
@ BINKB_SRC_INTER_DC
DC values for interblocks with DCT.
@ BINKB_SRC_Y_OFF
Y components of motion value.
@ BINKB_SRC_INTER_COEFS
number of coefficients for residue blocks
@ BINKB_SRC_X_OFF
X components of motion value.
@ BINKB_SRC_BLOCK_TYPES
8x8 block types
@ BINKB_SRC_INTER_Q
quantizer values for interblocks with DCT
static int read_patterns(AVCodecContext *avctx, GetBitContext *gb, Bundle *b)
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 get_value(BinkContext *c, int bundle)
Retrieve next value from bundle.
static av_cold int decode_init(AVCodecContext *avctx)
static void init_lengths(BinkContext *c, int width, int bw)
Initialize length in all bundles.
static int32_t binkb_intra_quant[16][64]
static int read_dcs(AVCodecContext *avctx, GetBitContext *gb, Bundle *b, int start_bits, int has_sign)
static av_cold void binkb_calc_quant(void)
Calculate quantization tables for version b.
static av_cold int decode_end(AVCodecContext *avctx)
static int read_motion_values(AVCodecContext *avctx, GetBitContext *gb, Bundle *b)
static int bink_decode_plane(BinkContext *c, AVFrame *frame, GetBitContext *gb, int plane_idx, int is_chroma)
static int32_t binkb_inter_quant[16][64]
static const int binkb_bundle_sizes[BINKB_NB_SRC]
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_residue(GetBitContext *gb, int16_t block[64], int masks_count)
Read 8x8 block with residue after motion compensation.
static int binkb_get_value(BinkContext *c, int bundle_num)
#define GET_HUFF(gb, tree)
static int bink_put_pixels(BinkContext *c, uint8_t *dst, uint8_t *prev, int stride, uint8_t *ref_start, uint8_t *ref_end)
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.
static av_cold int init_bundles(BinkContext *c)
Allocate memory for bundles.
static av_cold void binkb_init_bundles(BinkContext *c)
static int read_runs(AVCodecContext *avctx, GetBitContext *gb, Bundle *b)
static int read_colors(GetBitContext *gb, Bundle *b, BinkContext *c)
static av_cold void binkb_init_bundle(BinkContext *c, int bundle_num)
BlockTypes
Bink video block types.
@ INTRA_BLOCK
intra DCT block
@ SKIP_BLOCK
skipped block
@ RAW_BLOCK
uncoded 8x8 block
@ RESIDUE_BLOCK
motion block with some difference added
@ MOTION_BLOCK
block is copied from previous frame with some offset
@ INTER_BLOCK
motion block with DCT applied to the difference
@ FILL_BLOCK
block is filled with single colour
@ PATTERN_BLOCK
block is filled with two colours following custom pattern
@ RUN_BLOCK
block is composed from runs of colours with custom scan order
@ SCALED_BLOCK
block has size 16x16
#define CHECK_READ_VAL(gb, b, t)
common check before starting decoding bundle data
static VLC bink_trees[16]
static void flush(AVCodecContext *avctx)
av_cold void ff_blockdsp_init(BlockDSPContext *c, AVCodecContext *avctx)
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static const uint16_t mask[17]
#define LOCAL_ALIGNED_32(t, v,...)
#define LOCAL_ALIGNED_16(t, v,...)
@ AVCOL_RANGE_MPEG
Narrow or limited range content.
@ AVCOL_RANGE_JPEG
Full range content.
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
static const uint16_t table[]
main external API structure.
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
int width
picture width / height.
enum AVColorRange color_range
MPEG vs JPEG YUV range.
unsigned int codec_tag
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
int flags
AV_CODEC_FLAG_*.
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
const char * name
Name of the codec implementation.
This structure describes decoded (raw) audio or video data.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
This structure stores compressed data.
int col_lastval
value of last decoded high nibble in "colours" data type
Tree col_high[16]
trees for decoding high nibble in "colours" data type
int version
internal Bink file version
Bundle bundle[BINKB_NB_SRC]
bundles for decoding all data types
op_pixels_func put_pixels_tab
data structure used for decoding single Bink data type
uint8_t * cur_dec
pointer to the not yet decoded part of the buffer
Tree tree
Huffman tree-related data.
uint8_t * cur_ptr
pointer to the data that is not read from buffer yet
int len
length of number of entries to decode (in bits)
uint8_t * data_end
buffer end
uint8_t * data
buffer for decoded symbols
op_pixels_func put_pixels_tab[4][4]
Halfpel motion compensation with rounding (a+b+1)>>1.
data needed to decode 4-bit Huffman-coded value
uint8_t syms[16]
leaf value to symbol mapping
int vlc_num
tree number (in bink_trees[])
VLC_TYPE(* table)[2]
code, bits
static int ref[MAX_W *MAX_W]
#define init_vlc(vlc, nb_bits, nb_codes, bits, bits_wrap, bits_size, codes, codes_wrap, codes_size, flags)
#define INIT_VLC_USE_NEW_STATIC