118 #define HALF_FLOAT_MIN_BIASED_EXP_AS_SINGLE_FP_EXP 0x38000000
122 #define HALF_FLOAT_MAX_BIASED_EXP_AS_SINGLE_FP_EXP 0x47800000
125 #define FLOAT_MAX_BIASED_EXP (0xFF << 23)
127 #define HALF_FLOAT_MAX_BIASED_EXP (0x1F << 10)
138 unsigned int sign = (
unsigned int) (hf >> 15);
139 unsigned int mantissa = (
unsigned int) (hf & ((1 << 10) - 1));
143 if (exp == HALF_FLOAT_MAX_BIASED_EXP) {
149 mantissa = (1 << 23) - 1;
150 }
else if (exp == 0x0) {
156 while ((mantissa & (1 << 10))) {
163 mantissa &= ((1 << 10) - 1);
174 f.
i = (sign << 31) | exp | mantissa;
189 unsigned int exp = v >> 23;
192 if (exp <= 127 + 7 - 24)
197 return (v + (1 << 23)) >> (127 + 7 - exp);
209 unsigned exp = 14 - (v >> 10);
214 return (v & 0x8000) ? 0 : 0xffff;
217 return (v + (1 << 16)) >> (exp + 1);
226 int d = (int) t[-1] + (
int) t[0] - 128;
234 const int8_t *
t1 =
src;
235 const int8_t *
t2 = src + (size + 1) / 2;
237 int8_t *stop = s +
size;
255 unsigned long dest_len = uncompressed_size;
257 if (uncompress(td->
tmp, &dest_len, src, compressed_size) != Z_OK ||
258 dest_len != uncompressed_size)
271 const int8_t *
s =
src;
272 int ssize = compressed_size;
273 int dsize = uncompressed_size;
283 if ((dsize -= count) < 0 ||
284 (ssize -= count + 1) < 0)
292 if ((dsize -= count) < 0 ||
312 #define USHORT_RANGE (1 << 16)
313 #define BITMAP_SIZE (1 << 13)
320 if ((i == 0) || (bitmap[i >> 3] & (1 << (i & 7))))
325 memset(lut + k, 0, (USHORT_RANGE - k) * 2);
330 static void apply_lut(
const uint16_t *lut, uint16_t *dst,
int dsize)
334 for (i = 0; i < dsize; ++
i)
335 dst[i] = lut[dst[i]];
338 #define HUF_ENCBITS 16 // literal (value) bit length
339 #define HUF_DECBITS 14 // decoding bit size (>= 8)
341 #define HUF_ENCSIZE ((1 << HUF_ENCBITS) + 1) // encoding table size
342 #define HUF_DECSIZE (1 << HUF_DECBITS) // decoding table size
343 #define HUF_DECMASK (HUF_DECSIZE - 1)
353 uint64_t
c,
n[59] = { 0 };
360 for (i = 58; i > 0; --i) {
361 uint64_t nc = ((c + n[i]) >> 1);
370 hcode[i] = l | (n[l]++ << 6);
374 #define SHORT_ZEROCODE_RUN 59
375 #define LONG_ZEROCODE_RUN 63
376 #define SHORTEST_LONG_RUN (2 + LONG_ZEROCODE_RUN - SHORT_ZEROCODE_RUN)
377 #define LONGEST_LONG_RUN (255 + SHORTEST_LONG_RUN)
387 for (; im <= iM; im++) {
393 if (im + zerun > iM + 1)
403 if (im + zerun > iM + 1)
422 for (; im <= iM; im++) {
423 uint64_t
c = hcode[
im] >> 6;
424 int i, l = hcode[
im] & 63;
444 for (i = 1 << (
HUF_DECBITS - l); i > 0; i--, pl++) {
445 if (pl->
len || pl->
p)
456 #define get_char(c, lc, gb) \
458 c = (c << 8) | bytestream2_get_byte(gb); \
462 #define get_code(po, rlc, c, lc, gb, out, oe) \
466 get_char(c, lc, gb); \
472 return AVERROR_INVALIDDATA; \
478 } else if (out < oe) { \
481 return AVERROR_INVALIDDATA; \
487 int rlc,
int no, uint16_t *
out)
490 uint16_t *outb =
out;
491 uint16_t *oe = out + no;
511 for (j = 0; j < pl.
lit; j++) {
512 int l = hcode[pl.
p[j]] & 63;
518 if ((hcode[pl.
p[j]] >> 6) ==
519 ((c >> (lc - l)) & ((1LL << l) - 1))) {
521 get_code(pl.
p[j], rlc, c, lc, gb, out, oe);
548 if (out - outb != no)
554 uint16_t *dst,
int dst_size)
562 src_size = bytestream2_get_le32(gb);
563 im = bytestream2_get_le32(gb);
564 iM = bytestream2_get_le32(gb);
566 nBits = bytestream2_get_le32(gb);
576 if (!freq || !hdec) {
591 ret =
huf_decode(freq, hdec, gb, nBits, iM, dst_size, dst);
604 static inline void wdec14(uint16_t l, uint16_t
h, uint16_t *
a, uint16_t *
b)
609 int ai = ls + (hi & 1) + (hi >> 1);
611 int16_t bs = ai - hi;
618 #define A_OFFSET (1 << (NBITS - 1))
619 #define MOD_MASK ((1 << NBITS) - 1)
621 static inline void wdec16(uint16_t l, uint16_t
h, uint16_t *
a, uint16_t *
b)
632 int ny,
int oy, uint16_t mx)
634 int w14 = (mx < (1 << 14));
635 int n = (nx > ny) ? ny : nx;
648 uint16_t *ey = in + oy * (ny - p2);
649 uint16_t i00, i01, i10, i11;
655 for (; py <= ey; py += oy2) {
657 uint16_t *ex = py + ox * (nx - p2);
659 for (; px <= ex; px += ox2) {
660 uint16_t *p01 = px + ox1;
661 uint16_t *p10 = px + oy1;
662 uint16_t *p11 = p10 + ox1;
665 wdec14(*px, *p10, &i00, &i10);
666 wdec14(*p01, *p11, &i01, &i11);
667 wdec14(i00, i01, px, p01);
668 wdec14(i10, i11, p10, p11);
670 wdec16(*px, *p10, &i00, &i10);
671 wdec16(*p01, *p11, &i01, &i11);
672 wdec16(i00, i01, px, p01);
673 wdec16(i10, i11, p10, p11);
678 uint16_t *p10 = px + oy1;
681 wdec14(*px, *p10, &i00, p10);
683 wdec16(*px, *p10, &i00, p10);
691 uint16_t *ex = py + ox * (nx - p2);
693 for (; px <= ex; px += ox2) {
694 uint16_t *p01 = px + ox1;
697 wdec14(*px, *p01, &i00, p01);
699 wdec16(*px, *p01, &i00, p01);
714 uint16_t maxval, min_non_zero, max_non_zero;
716 uint16_t *tmp = (uint16_t *)td->
tmp;
731 min_non_zero = bytestream2_get_le16(&gb);
732 max_non_zero = bytestream2_get_le16(&gb);
738 if (min_non_zero <= max_non_zero)
740 max_non_zero - min_non_zero + 1);
754 for (j = 0; j <
size; j++)
756 s->
xdelta * size, maxval);
763 for (i = 0; i < s->
ysize; i++)
774 int compressed_size,
int uncompressed_size,
777 unsigned long dest_len = uncompressed_size;
782 if (uncompress(td->
tmp, &dest_len, src, compressed_size) != Z_OK ||
783 dest_len != uncompressed_size)
787 for (i = 0; i < s->
ysize; i++)
796 ptr[1] = ptr[0] + s->
xdelta;
797 ptr[2] = ptr[1] + s->
xdelta;
800 for (j = 0; j < s->
xdelta; ++j) {
801 uint32_t
diff = (*(ptr[0]++) << 24) |
802 (*(ptr[1]++) << 16) |
805 bytestream_put_le32(&out, pixel);
810 ptr[1] = ptr[0] + s->
xdelta;
812 for (j = 0; j < s->
xdelta; j++) {
813 uint32_t
diff = (*(ptr[0]++) << 8) | *(ptr[1]++);
816 bytestream_put_le16(&out, pixel);
828 int jobnr,
int threadnr)
833 const uint8_t *channel_buffer[4] = { 0 };
835 uint64_t line_offset, uncompressed_size;
836 uint32_t xdelta = s->
xdelta;
839 uint32_t data_size,
line;
844 float one_gamma = 1.0f / s->
gamma;
849 if (line_offset > buf_size - 8)
852 src = buf + line_offset + 8;
858 if (data_size <= 0 || data_size > buf_size)
864 line_offset > buf_size - uncompressed_size)) ||
866 line_offset > buf_size - data_size))) {
870 if (data_size < uncompressed_size) {
911 r = channel_buffer[0];
912 g = channel_buffer[1];
913 b = channel_buffer[2];
914 if (channel_buffer[3])
915 a = channel_buffer[3];
917 ptr_x = (uint16_t *) ptr;
920 memset(ptr_x, 0, bxmin);
924 for (x = 0; x < xdelta; x++) {
926 t.
i = bytestream_get_le32(&r);
928 t.
f =
powf(t.
f, one_gamma);
931 t.
i = bytestream_get_le32(&g);
933 t.
f =
powf(t.
f, one_gamma);
936 t.
i = bytestream_get_le32(&b);
938 t.
f =
powf(t.
f, one_gamma);
940 if (channel_buffer[3])
945 for (x = 0; x < xdelta; x++) {
946 *ptr_x++ = s->
gamma_table[bytestream_get_le16(&r)];
947 *ptr_x++ = s->
gamma_table[bytestream_get_le16(&g)];
948 *ptr_x++ = s->
gamma_table[bytestream_get_le16(&b)];
949 if (channel_buffer[3])
955 memset(ptr_x, 0, axmax);
960 if (channel_buffer[3])
980 const char *value_name,
981 const char *value_type,
982 unsigned int minimum_length)
987 !strcmp(s->
gb.
buffer, value_name)) {
989 s->
gb.
buffer += strlen(value_name) + 1;
990 if (!strcmp(s->
gb.
buffer, value_type)) {
991 s->
gb.
buffer += strlen(value_type) + 1;
992 var_size = bytestream2_get_le32(&s->
gb);
998 s->
gb.
buffer -= strlen(value_name) + 1;
1000 "Unknown data type %s for header variable %s.\n",
1001 value_type, value_name);
1010 int current_channel_offset = 0;
1034 magic_number = bytestream2_get_le32(&s->
gb);
1035 if (magic_number != 20000630) {
1042 version = bytestream2_get_byte(&s->
gb);
1048 flags = bytestream2_get_le24(&s->
gb);
1058 "chlist", 38)) >= 0) {
1068 int channel_index = -1;
1071 if (strcmp(s->
layer,
"") != 0) {
1074 if (*ch_gb.
buffer ==
'.')
1077 "Layer %s.%s matched.\n", s->
layer, ch_gb.
buffer);
1081 if (!strcmp(ch_gb.
buffer,
"R") ||
1082 !strcmp(ch_gb.
buffer,
"X") ||
1083 !strcmp(ch_gb.
buffer,
"U"))
1085 else if (!strcmp(ch_gb.
buffer,
"G") ||
1086 !strcmp(ch_gb.
buffer,
"Y") ||
1087 !strcmp(ch_gb.
buffer,
"V"))
1089 else if (!strcmp(ch_gb.
buffer,
"B") ||
1090 !strcmp(ch_gb.
buffer,
"Z") ||
1091 !strcmp(ch_gb.
buffer,
"W"))
1093 else if (!strcmp(ch_gb.
buffer,
"A"))
1097 "Unsupported channel %.256s.\n", ch_gb.
buffer);
1101 bytestream2_get_byte(&ch_gb))
1109 current_pixel_type = bytestream2_get_le32(&ch_gb);
1113 current_pixel_type);
1118 xsub = bytestream2_get_le32(&ch_gb);
1119 ysub = bytestream2_get_le32(&ch_gb);
1120 if (xsub != 1 || ysub != 1) {
1122 "Subsampling %dx%d",
1127 if (channel_index >= 0) {
1131 "RGB channels not of the same depth.\n");
1144 channel->
xsub = xsub;
1145 channel->
ysub = ysub;
1147 current_channel_offset += 1 << current_pixel_type;
1172 s->
xmin = bytestream2_get_le32(&s->
gb);
1173 s->
ymin = bytestream2_get_le32(&s->
gb);
1174 s->
xmax = bytestream2_get_le32(&s->
gb);
1175 s->
ymax = bytestream2_get_le32(&s->
gb);
1181 "box2i", 34)) >= 0) {
1186 s->
w = bytestream2_get_le32(&s->
gb) + 1;
1187 s->
h = bytestream2_get_le32(&s->
gb) + 1;
1191 "lineOrder", 25)) >= 0) {
1196 line_order = bytestream2_get_byte(&s->
gb);
1198 if (line_order > 2) {
1205 "float", 31)) >= 0) {
1214 "compression", 29)) >= 0) {
1222 "Found more than one compression attribute.\n");
1234 for (i = 0; i < 2; i++)
1235 while (bytestream2_get_byte(&s->
gb) != 0);
1267 int scan_line_blocks;
1338 ptr = picture->
data[0];
1341 for (y = 0; y < s->
ymin; y++) {
1342 memset(ptr, 0, out_line_size);
1350 for (y = s->
ymax + 1; y < avctx->
height; y++) {
1351 memset(ptr, 0, out_line_size);
1366 float one_gamma = 1.0
f / s->
gamma;
1370 if (one_gamma > 0.9999
f && one_gamma < 1.0001
f) {
1371 for (i = 0; i < 65536; ++
i)
1374 for (i = 0; i < 65536; ++
i) {
1380 t.
f =
powf(t.
f, one_gamma);
1423 #define OFFSET(x) offsetof(EXRContext, x)
1424 #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
1426 {
"layer",
"Set the decoding layer",
OFFSET(layer),
1428 {
"gamma",
"Set the float gamma value when decoding",
OFFSET(gamma),
static uint16_t exr_flt2uint(uint32_t v)
Convert from 32-bit float as uint32_t to uint16_t.
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
This structure describes decoded (raw) audio or video data.
ptrdiff_t const GLvoid * data
static uint16_t reverse_lut(const uint8_t *bitmap, uint16_t *lut)
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
#define AV_LOG_WARNING
Something somehow does not look correct.
#define LIBAVUTIL_VERSION_INT
int ff_set_dimensions(AVCodecContext *s, int width, int height)
Check that the provided frame dimensions are valid and set them on the codec context.
static av_cold int init(AVCodecContext *avctx)
static av_always_inline float av_int2float(uint32_t i)
Reinterpret a 32-bit integer as a float.
#define AV_PIX_FMT_RGBA64
static int pxr24_uncompress(EXRContext *s, const uint8_t *src, int compressed_size, int uncompressed_size, EXRThreadData *td)
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
static av_always_inline void bytestream2_init(GetByteContext *g, const uint8_t *buf, int buf_size)
void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
Same behaviour av_fast_malloc but the buffer has additional FF_INPUT_BUFFER_PADDING_SIZE at the end w...
enum ExrPixelType pixel_type
static int decode_block(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr)
#define HALF_FLOAT_MAX_BIASED_EXP
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
void void avpriv_request_sample(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
static void wav_decode(uint16_t *in, int nx, int ox, int ny, int oy, uint16_t mx)
Multithreading support functions.
static int huf_uncompress(GetByteContext *gb, uint16_t *dst, int dst_size)
static int huf_build_dec_table(const uint64_t *hcode, int im, int iM, HufDec *hdecod)
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
#define get_char(c, lc, gb)
static int get_bits_count(const GetBitContext *s)
static const AVOption options[]
int ff_set_sar(AVCodecContext *avctx, AVRational sar)
Check that the provided sample aspect ratio is valid and set it on the codec context.
bitstream reader API header.
static int decode_init_thread_copy(AVCodecContext *avctx)
uint8_t * uncompressed_data
static int huf_decode(const uint64_t *hcode, const HufDec *hdecod, GetByteContext *gb, int nbits, int rlc, int no, uint16_t *out)
static void predictor(uint8_t *src, int size)
#define FLOAT_MAX_BIASED_EXP
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
static av_cold int decode_init(AVCodecContext *avctx)
static av_always_inline void bytestream2_skip(GetByteContext *g, unsigned int size)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
static av_always_inline unsigned int bytestream2_get_buffer(GetByteContext *g, uint8_t *dst, unsigned int size)
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
uint16_t gamma_table[65536]
static av_always_inline unsigned int bytestream2_get_bytes_left(GetByteContext *g)
static void reorder_pixels(uint8_t *src, uint8_t *dst, int size)
enum ExrPixelType pixel_type
const char * name
Name of the codec implementation.
#define LONG_ZEROCODE_RUN
Libavcodec external API header.
#define ONLY_IF_THREADS_ENABLED(x)
Define a function with only the non-default version specified.
EXRThreadData * thread_data
uint8_t nb_components
The number of components each pixel has, (1-4)
AVRational av_d2q(double d, int max)
Convert a double precision floating point number to a rational.
enum AVPictureType pict_type
Picture type of the frame.
#define HALF_FLOAT_MIN_BIASED_EXP_AS_SINGLE_FP_EXP
int width
picture width / height.
enum ExrCompr compression
static uint16_t exr_halflt2uint(uint16_t v)
Convert from 16-bit float as uint16_t to uint16_t.
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
#define SHORTEST_LONG_RUN
static int check_header_variable(EXRContext *s, const char *value_name, const char *value_type, unsigned int minimum_length)
Check if the variable name corresponds to its data type.
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
#define AV_LOG_INFO
Standard information.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
static int init_get_bits8(GetBitContext *s, const uint8_t *buffer, int byte_size)
Initialize GetBitContext.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
int ff_thread_get_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags)
Wrapper around get_buffer() for frame-multithreaded codecs.
main external API structure.
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;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);returnNULL;}returnac;}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;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->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);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> in
static int zip_uncompress(const uint8_t *src, int compressed_size, int uncompressed_size, EXRThreadData *td)
BYTE int const BYTE int int int height
Describe the class of an AVClass context structure.
#define get_code(po, rlc, c, lc, gb, out, oe)
static av_cold int decode_end(AVCodecContext *avctx)
static int rle_uncompress(const uint8_t *src, int compressed_size, int uncompressed_size, EXRThreadData *td)
void avpriv_report_missing_feature(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
#define SHORT_ZEROCODE_RUN
static union av_intfloat32 exr_half2float(uint16_t hf)
Convert a half float as a uint16_t into a full float.
#define CODEC_CAP_SLICE_THREADS
Codec supports slice-based (or partition-based) multithreading.
common internal api header.
#define CODEC_CAP_FRAME_THREADS
Codec supports frame-level multithreading.
void * av_realloc(void *ptr, size_t size)
Allocate or reallocate a block of memory.
static av_always_inline int diff(const uint32_t a, const uint32_t b)
int(* execute2)(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count)
The codec may call this to execute several independent things.
static int piz_uncompress(EXRContext *s, const uint8_t *src, int ssize, int dsize, EXRThreadData *td)
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;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);returnNULL;}returnac;}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;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->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);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> out
static void huf_canonical_code_table(uint64_t *hcode)
static void * av_mallocz_array(size_t nmemb, size_t size)
static void apply_lut(const uint16_t *lut, uint16_t *dst, int dsize)
static int init_thread_copy(AVCodecContext *avctx)
static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static void wdec14(uint16_t l, uint16_t h, uint16_t *a, uint16_t *b)
static int decode_header(EXRContext *s)
static void wdec16(uint16_t l, uint16_t h, uint16_t *a, uint16_t *b)
static int huf_unpack_enc_table(GetByteContext *gb, int32_t im, int32_t iM, uint64_t *hcode)
const AVPixFmtDescriptor * desc
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_RL32
This structure stores compressed data.
static const AVClass exr_class