82 "on RGB streams encoded in BT.709 sRGB.\n");
91 "can only be set for 4:2:0 streams.\n");
101 UINT32_MAX > INT_MAX ? UINT32_MAX : INT_MAX);
135 for (i = 0; i < frag->
nb_units; i++) {
200 for (i = 0; i < frag->
nb_units; i++) {
228 #define OFFSET(x) offsetof(AV1MetadataContext, x)
229 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)
231 {
"td",
"Temporal Delimiter OBU",
235 { .i64 =
PASS }, .flags =
FLAGS, .unit =
"td" },
241 {
"color_primaries",
"Set color primaries (section 6.4.2)",
243 { .i64 = -1 }, -1, 255,
FLAGS },
244 {
"transfer_characteristics",
"Set transfer characteristics (section 6.4.2)",
246 { .i64 = -1 }, -1, 255,
FLAGS },
247 {
"matrix_coefficients",
"Set matrix coefficients (section 6.4.2)",
249 { .i64 = -1 }, -1, 255,
FLAGS },
251 {
"color_range",
"Set color range flag (section 6.4.2)",
253 { .i64 = -1 }, -1, 1,
FLAGS,
"cr" },
255 { .i64 = 0 }, .flags =
FLAGS, .unit =
"cr" },
257 { .i64 = 1 }, .flags =
FLAGS, .unit =
"cr" },
259 {
"chroma_sample_position",
"Set chroma sample position (section 6.4.2)",
261 { .i64 = -1 }, -1, 3,
FLAGS,
"csp" },
269 {
"tick_rate",
"Set display tick rate (num_units_in_display_tick / time_scale)",
271 { .dbl = 0.0 }, 0, UINT_MAX,
FLAGS },
272 {
"num_ticks_per_picture",
"Set display ticks per picture for CFR streams",
274 { .i64 = -1 }, -1, INT_MAX,
FLAGS },
291 .
name =
"av1_metadata",
293 .priv_class = &av1_metadata_class,
int nb_units
Number of units in this fragment.
AVCodecParameters * par_out
Parameters of the output stream.
#define AV_LOG_WARNING
Something somehow does not look correct.
#define LIBAVUTIL_VERSION_INT
int ff_cbs_write_packet(CodedBitstreamContext *ctx, AVPacket *pkt, CodedBitstreamFragment *frag)
Write the bitstream of a fragment to a packet.
static av_cold int init(AVCodecContext *avctx)
int ff_cbs_init(CodedBitstreamContext **ctx_ptr, enum AVCodecID codec_id, void *log_ctx)
Create and initialise a new context for the given codec.
CodedBitstreamUnitType type
Codec-specific type of this unit.
The bitstream filter state.
const char * av_default_item_name(void *ptr)
Return the context name.
int ff_cbs_insert_unit_content(CodedBitstreamContext *ctx, CodedBitstreamFragment *frag, int position, CodedBitstreamUnitType type, void *content, AVBufferRef *content_buf)
Insert a new unit into a fragment with the given content.
int chroma_sample_position
uint32_t num_units_in_display_tick
void * priv_data
Opaque filter-specific private data.
order of coefficients is actually GBR, also IEC 61966-2-1 (sRGB)
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
static void filter(int16_t *output, ptrdiff_t out_stride, int16_t *low, ptrdiff_t low_stride, int16_t *high, ptrdiff_t high_stride, int len, int clip)
uint8_t matrix_coefficients
void av_packet_free(AVPacket **pkt)
Free the packet, if the packet is reference counted, it will be unreferenced first.
int ff_cbs_read_packet(CodedBitstreamContext *ctx, CodedBitstreamFragment *frag, const AVPacket *pkt)
Read the data bitstream from a packet into a fragment, then split into units and decompose.
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
void * content
Pointer to the decomposed form of this unit.
CodedBitstreamUnit * units
Pointer to an array of units of length nb_units.
AVCodecID
Identify the syntax and semantics of the bitstream.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
void ff_cbs_fragment_uninit(CodedBitstreamContext *ctx, CodedBitstreamFragment *frag)
Free all allocated memory in a fragment.
CodedBitstreamContext * cbc
also ITU-R BT1361 / IEC 61966-2-4 / SMPTE RP177 Annex B
static const struct TransferCharacteristics transfer_characteristics[AVCOL_TRC_NB]
int av_packet_copy_props(AVPacket *dst, const AVPacket *src)
Copy only "properties" fields from src to dst.
int ff_cbs_write_extradata(CodedBitstreamContext *ctx, AVCodecParameters *par, CodedBitstreamFragment *frag)
Write the bitstream of a fragment to the extradata in codec parameters.
static const struct ColorPrimaries color_primaries[AVCOL_PRI_NB]
int ff_cbs_delete_unit(CodedBitstreamContext *ctx, CodedBitstreamFragment *frag, int position)
Delete a unit from a fragment and free all memory it uses.
Coded bitstream fragment structure, combining one or more units.
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
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
Describe the class of an AVClass context structure.
Context structure for coded bitstream operations.
Rational number (pair of numerator and denominator).
uint8_t color_description_present_flag
void ff_cbs_close(CodedBitstreamContext **ctx_ptr)
Close a context and free all internal state.
int ff_cbs_read_extradata(CodedBitstreamContext *ctx, CodedBitstreamFragment *frag, const AVCodecParameters *par)
Read the extradata bitstream found in codec parameters into a fragment, then split into units and dec...
uint32_t num_ticks_per_picture_minus_1
AV1RawSequenceHeader sequence_header
uint8_t equal_picture_interval
IEC 61966-2-1 (sRGB or sYCC)
common internal and external API header
static enum AVCodecID codec_ids[]
int ff_bsf_get_packet(AVBSFContext *ctx, AVPacket **pkt)
Called by the bitstream filters to get the next packet for filtering.
CodedBitstreamFragment access_unit
uint8_t chroma_sample_position
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
int num_ticks_per_picture
int transfer_characteristics
This structure stores compressed data.
AVCodecParameters * par_in
Parameters of the input stream.
uint8_t transfer_characteristics