cbs_h2645.c File Reference

#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "bytestream.h"
#include "cbs.h"
#include "cbs_internal.h"
#include "cbs_h264.h"
#include "cbs_h265.h"
#include "h264.h"
#include "h264_sei.h"
#include "h2645_parse.h"
#include "hevc.h"
#include "hevc_sei.h"
#include "cbs_h264_syntax_template.c"
#include "cbs_h265_syntax_template.c"

Go to the source code of this file.

Macros
#define	HEADER(name)
#define	CHECK(call)
#define	FUNC_NAME(rw, codec, name)   cbs_ ## codec ## _ ## rw ## _ ## name
#define	FUNC_H264(rw, name)   FUNC_NAME(rw, h264, name)
#define	FUNC_H265(rw, name)   FUNC_NAME(rw, h265, name)
#define	SUBSCRIPTS(subs, ...)   (subs > 0 ? ((int[subs + 1]){ subs, __VA_ARGS__ }) : NULL)
#define	u(width, name, range_min, range_max)   xu(width, name, current->name, range_min, range_max, 0)
#define	ub(width, name)   xu(width, name, current->name, 0, MAX_UINT_BITS(width), 0)
#define	flag(name)   ub(1, name)
#define	ue(name, range_min, range_max)   xue(name, current->name, range_min, range_max, 0)
#define	i(width, name, range_min, range_max)   xi(width, name, current->name, range_min, range_max, 0)
#define	ib(width, name)   xi(width, name, current->name, MIN_INT_BITS(width), MAX_INT_BITS(width), 0)
#define	se(name, range_min, range_max)   xse(name, current->name, range_min, range_max, 0)
#define	us(width, name, range_min, range_max, subs, ...)   xu(width, name, current->name, range_min, range_max, subs, __VA_ARGS__)
#define	ubs(width, name, subs, ...)   xu(width, name, current->name, 0, MAX_UINT_BITS(width), subs, __VA_ARGS__)
#define	flags(name, subs, ...)   xu(1, name, current->name, 0, 1, subs, __VA_ARGS__)
#define	ues(name, range_min, range_max, subs, ...)   xue(name, current->name, range_min, range_max, subs, __VA_ARGS__)
#define	is(width, name, range_min, range_max, subs, ...)   xi(width, name, current->name, range_min, range_max, subs, __VA_ARGS__)
#define	ibs(width, name, subs, ...)   xi(width, name, current->name, MIN_INT_BITS(width), MAX_INT_BITS(width), subs, __VA_ARGS__)
#define	ses(name, range_min, range_max, subs, ...)   xse(name, current->name, range_min, range_max, subs, __VA_ARGS__)
#define	fixed(width, name, value)
#define	READ
#define	READWRITE   read
#define	RWContext   GetBitContext
#define	xu(width, name, var, range_min, range_max, subs, ...)
#define	xue(name, var, range_min, range_max, subs, ...)
#define	xi(width, name, var, range_min, range_max, subs, ...)
#define	xse(name, var, range_min, range_max, subs, ...)
#define	infer(name, value)
#define	more_rbsp_data(var)   ((var) = cbs_h2645_read_more_rbsp_data(rw))
#define	byte_alignment(rw)   (get_bits_count(rw) % 8)
#define	allocate(name, size)
#define	FUNC(name)   FUNC_H264(READWRITE, name)
#define	FUNC(name)   FUNC_H265(READWRITE, name)
#define	WRITE
#define	READWRITE   write
#define	RWContext   PutBitContext
#define	xu(width, name, var, range_min, range_max, subs, ...)
#define	xue(name, var, range_min, range_max, subs, ...)
#define	xi(width, name, var, range_min, range_max, subs, ...)
#define	xse(name, var, range_min, range_max, subs, ...)
#define	infer(name, value)
#define	more_rbsp_data(var)   (var)
#define	byte_alignment(rw)   (put_bits_count(rw) % 8)
#define	allocate(name, size)
#define	FUNC(name)   FUNC_H264(READWRITE, name)
#define	FUNC(name)   FUNC_H265(READWRITE, name)
#define	cbs_h2645_replace_ps(h26n, ps_name, ps_var, id_element)

Functions
static int	cbs_read_ue_golomb (CodedBitstreamContext *ctx, GetBitContext *gbc, const char *name, const int *subscripts, uint32_t *write_to, uint32_t range_min, uint32_t range_max)
static int	cbs_read_se_golomb (CodedBitstreamContext *ctx, GetBitContext *gbc, const char *name, const int *subscripts, int32_t *write_to, int32_t range_min, int32_t range_max)
static int	cbs_write_ue_golomb (CodedBitstreamContext *ctx, PutBitContext *pbc, const char *name, const int *subscripts, uint32_t value, uint32_t range_min, uint32_t range_max)
static int	cbs_write_se_golomb (CodedBitstreamContext *ctx, PutBitContext *pbc, const char *name, const int *subscripts, int32_t value, int32_t range_min, int32_t range_max)
static int	cbs_h2645_read_more_rbsp_data (GetBitContext *gbc)
static void	cbs_h264_free_pps (void *unit, uint8_t *content)
static void	cbs_h264_free_sei_payload (H264RawSEIPayload *payload)
static void	cbs_h264_free_sei (void *unit, uint8_t *content)
static void	cbs_h264_free_slice (void *unit, uint8_t *content)
static void	cbs_h265_free_vps (void *unit, uint8_t *content)
static void	cbs_h265_free_sps (void *unit, uint8_t *content)
static void	cbs_h265_free_pps (void *unit, uint8_t *content)
static void	cbs_h265_free_slice (void *unit, uint8_t *content)
static void	cbs_h265_free_sei_payload (H265RawSEIPayload *payload)
static void	cbs_h265_free_sei (void *unit, uint8_t *content)
static int	cbs_h2645_fragment_add_nals (CodedBitstreamContext *ctx, CodedBitstreamFragment *frag, const H2645Packet *packet)
static int	cbs_h2645_split_fragment (CodedBitstreamContext *ctx, CodedBitstreamFragment *frag, int header)
	cbs_h2645_replace_ps (cbs_h2645_replace_ps(4, cbs_h2645_replace_ps(SPS, cbs_h2645_replace_ps(sps, seq_parameter_set_id)
static int	cbs_h265_read_nal_unit (CodedBitstreamContext *ctx, CodedBitstreamUnit *unit)
static int	cbs_h2645_write_slice_data (CodedBitstreamContext *ctx, PutBitContext *pbc, const uint8_t *data, size_t data_size, int data_bit_start)
static int	cbs_h264_write_nal_unit (CodedBitstreamContext *ctx, CodedBitstreamUnit *unit, PutBitContext *pbc)
static int	cbs_h265_write_nal_unit (CodedBitstreamContext *ctx, CodedBitstreamUnit *unit, PutBitContext *pbc)
static int	cbs_h2645_assemble_fragment (CodedBitstreamContext *ctx, CodedBitstreamFragment *frag)
static void	cbs_h264_close (CodedBitstreamContext *ctx)
static void	cbs_h265_close (CodedBitstreamContext *ctx)
int	ff_cbs_h264_add_sei_message (CodedBitstreamContext *ctx, CodedBitstreamFragment *au, const H264RawSEIPayload *payload)
	Add an SEI message to an access unit. More...
void	ff_cbs_h264_delete_sei_message (CodedBitstreamContext *ctx, CodedBitstreamFragment *au, CodedBitstreamUnit *nal, int position)
	Delete an SEI message from an access unit. More...

Variables
const CodedBitstreamType	ff_cbs_type_h264
const CodedBitstreamType	ff_cbs_type_h265

Macro Definition Documentation

HEADER

#define HEADER

(

name

)

Value:

        do { \
        ff_cbs_trace_header(ctx, name); \
    } while (0)

Definition at line 236 of file cbs_h2645.c.

CHECK

#define CHECK

(

call

)

Value:

        do { \
        err = (call); \
        if (err < 0) \
            return err; \
    } while (0)

Definition at line 240 of file cbs_h2645.c.

FUNC_NAME

#define FUNC_NAME	(		rw,
			codec,
			name
	)		cbs_ ## codec ## _ ## rw ## _ ## name

Definition at line 246 of file cbs_h2645.c.

FUNC_H264

#define FUNC_H264	(		rw,
			name
	)		FUNC_NAME(rw, h264, name)

Definition at line 247 of file cbs_h2645.c.

FUNC_H265

#define FUNC_H265	(		rw,
			name
	)		FUNC_NAME(rw, h265, name)

Definition at line 248 of file cbs_h2645.c.

SUBSCRIPTS

#define SUBSCRIPTS	(		subs,
			...
	)		(subs > 0 ? ((int[subs + 1]){ subs, __VA_ARGS__ }) : NULL)

Definition at line 250 of file cbs_h2645.c.

u

#define u	(		width,
			name,
			range_min,
			range_max
	)		xu(width, name, current->name, range_min, range_max, 0)

Definition at line 252 of file cbs_h2645.c.

ub

#define ub	(		width,
			name
	)		xu(width, name, current->name, 0, MAX_UINT_BITS(width), 0)

Definition at line 254 of file cbs_h2645.c.

flag

#define flag

(

name

)

ub(1, name)

Definition at line 256 of file cbs_h2645.c.

ue

#define ue	(		name,
			range_min,
			range_max
	)		xue(name, current->name, range_min, range_max, 0)

Definition at line 257 of file cbs_h2645.c.

i

#define i	(		width,
			name,
			range_min,
			range_max
	)		xi(width, name, current->name, range_min, range_max, 0)

Examples

decode_audio.c, decode_video.c, demuxing_decoding.c, encode_audio.c, encode_video.c, ffhash.c, filter_audio.c, hw_decode.c, muxing.c, qsvdec.c, remuxing.c, resampling_audio.c, scaling_video.c, and transcoding.c.

Definition at line 259 of file cbs_h2645.c.

ib

#define ib	(		width,
			name
	)		xi(width, name, current->name, MIN_INT_BITS(width), MAX_INT_BITS(width), 0)

Definition at line 261 of file cbs_h2645.c.

se

#define se	(		name,
			range_min,
			range_max
	)		xse(name, current->name, range_min, range_max, 0)

Definition at line 263 of file cbs_h2645.c.

us

#define us	(		width,
			name,
			range_min,
			range_max,
			subs,
			...
	)		xu(width, name, current->name, range_min, range_max, subs, __VA_ARGS__)

Definition at line 266 of file cbs_h2645.c.

ubs

#define ubs	(		width,
			name,
			subs,
			...
	)		xu(width, name, current->name, 0, MAX_UINT_BITS(width), subs, __VA_ARGS__)

Definition at line 268 of file cbs_h2645.c.

flags

#define flags	(		name,
			subs,
			...
	)		xu(1, name, current->name, 0, 1, subs, __VA_ARGS__)

Definition at line 270 of file cbs_h2645.c.

ues

#define ues	(		name,
			range_min,
			range_max,
			subs,
			...
	)		xue(name, current->name, range_min, range_max, subs, __VA_ARGS__)

Definition at line 272 of file cbs_h2645.c.

is

#define is	(		width,
			name,
			range_min,
			range_max,
			subs,
			...
	)		xi(width, name, current->name, range_min, range_max, subs, __VA_ARGS__)

Definition at line 274 of file cbs_h2645.c.

ibs

#define ibs	(		width,
			name,
			subs,
			...
	)		xi(width, name, current->name, MIN_INT_BITS(width), MAX_INT_BITS(width), subs, __VA_ARGS__)

Definition at line 276 of file cbs_h2645.c.

ses

#define ses	(		name,
			range_min,
			range_max,
			subs,
			...
	)		xse(name, current->name, range_min, range_max, subs, __VA_ARGS__)

Definition at line 278 of file cbs_h2645.c.

fixed

#define fixed	(		width,
			name,
			value
	)

Value:

        do { \
        av_unused uint32_t fixed_value = value; \
        xu(width, name, fixed_value, value, value, 0); \
    } while (0)

Definition at line 281 of file cbs_h2645.c.

READ

#define READ

Definition at line 287 of file cbs_h2645.c.

READWRITE [1/2]

#define READWRITE   read

Definition at line 371 of file cbs_h2645.c.

RWContext [1/2]

#define RWContext   GetBitContext

Definition at line 372 of file cbs_h2645.c.

xu [1/2]

#define xu	(		width,
			name,
			var,
			range_min,
			range_max,
			subs,
			...
	)

Value:

        do { \
        uint32_t value; \
        CHECK(ff_cbs_read_unsigned(ctx, rw, width, #name, \
                                   SUBSCRIPTS(subs, __VA_ARGS__), \
                                   &value, range_min, range_max)); \
        var = value; \
    } while (0)

Definition at line 374 of file cbs_h2645.c.

xue [1/2]

#define xue	(		name,
			var,
			range_min,
			range_max,
			subs,
			...
	)

Value:

        do { \
        uint32_t value; \
        CHECK(cbs_read_ue_golomb(ctx, rw, #name, \
                                 SUBSCRIPTS(subs, __VA_ARGS__), \
                                 &value, range_min, range_max)); \
        var = value; \
    } while (0)

Definition at line 380 of file cbs_h2645.c.

xi [1/2]

#define xi	(		width,
			name,
			var,
			range_min,
			range_max,
			subs,
			...
	)

Value:

        do { \
        int32_t value; \
        CHECK(ff_cbs_read_signed(ctx, rw, width, #name, \
                                 SUBSCRIPTS(subs, __VA_ARGS__), \
                                 &value, range_min, range_max)); \
        var = value; \
    } while (0)

Definition at line 386 of file cbs_h2645.c.

xse [1/2]

#define xse	(		name,
			var,
			range_min,
			range_max,
			subs,
			...
	)

Value:

        do { \
        int32_t value; \
        CHECK(cbs_read_se_golomb(ctx, rw, #name, \
                                 SUBSCRIPTS(subs, __VA_ARGS__), \
                                 &value, range_min, range_max)); \
        var = value; \
    } while (0)

Definition at line 392 of file cbs_h2645.c.

infer [1/2]

#define infer	(		name,
			value
	)

Value:

        do { \
        current->name = value; \
    } while (0)

Definition at line 399 of file cbs_h2645.c.

more_rbsp_data [1/2]

#define more_rbsp_data

(

var

)

((var) = cbs_h2645_read_more_rbsp_data(rw))

Definition at line 408 of file cbs_h2645.c.

byte_alignment [1/2]

#define byte_alignment

(

rw

)

(get_bits_count(rw) % 8)

Definition at line 410 of file cbs_h2645.c.

allocate [1/2]

#define allocate	(		name,
			size
	)

Value:

        do { \
        name ## _ref = av_buffer_allocz(size + \
                                        AV_INPUT_BUFFER_PADDING_SIZE); \
        if (!name ## _ref) \
            return AVERROR(ENOMEM); \
        name = name ## _ref->data; \
    } while (0)

Definition at line 412 of file cbs_h2645.c.

FUNC [1/4]

#define FUNC

(

name

)

FUNC_H264(READWRITE, name)

Definition at line 424 of file cbs_h2645.c.

FUNC [2/4]

#define FUNC

(

name

)

FUNC_H265(READWRITE, name)

Definition at line 424 of file cbs_h2645.c.

WRITE

#define WRITE

Definition at line 370 of file cbs_h2645.c.

READWRITE [2/2]

#define READWRITE   write

Definition at line 371 of file cbs_h2645.c.

RWContext [2/2]

#define RWContext   PutBitContext

Definition at line 372 of file cbs_h2645.c.

xu [2/2]

#define xu	(		width,
			name,
			var,
			range_min,
			range_max,
			subs,
			...
	)

Value:

        do { \
        uint32_t value = var; \
        CHECK(ff_cbs_write_unsigned(ctx, rw, width, #name, \
                                    SUBSCRIPTS(subs, __VA_ARGS__), \
                                    value, range_min, range_max)); \
    } while (0)

Definition at line 374 of file cbs_h2645.c.

xue [2/2]

#define xue	(		name,
			var,
			range_min,
			range_max,
			subs,
			...
	)

Value:

        do { \
        uint32_t value = var; \
        CHECK(cbs_write_ue_golomb(ctx, rw, #name, \
                                  SUBSCRIPTS(subs, __VA_ARGS__), \
                                  value, range_min, range_max)); \
    } while (0)

Definition at line 380 of file cbs_h2645.c.

xi [2/2]

#define xi	(		width,
			name,
			var,
			range_min,
			range_max,
			subs,
			...
	)

Value:

        do { \
        int32_t value = var; \
        CHECK(ff_cbs_write_signed(ctx, rw, width, #name, \
                                  SUBSCRIPTS(subs, __VA_ARGS__), \
                                  value, range_min, range_max)); \
    } while (0)

Definition at line 386 of file cbs_h2645.c.

xse [2/2]

#define xse	(		name,
			var,
			range_min,
			range_max,
			subs,
			...
	)

Value:

        do { \
        int32_t value = var; \
        CHECK(cbs_write_se_golomb(ctx, rw, #name, \
                                  SUBSCRIPTS(subs, __VA_ARGS__), \
                                  value, range_min, range_max)); \
    } while (0)

Definition at line 392 of file cbs_h2645.c.

infer [2/2]

#define infer	(		name,
			value
	)

Value:

        do { \
        if (current->name != (value)) { \
            av_log(ctx->log_ctx, AV_LOG_WARNING, "Warning: " \
                   "%s does not match inferred value: " \
                   "%"PRId64", but should be %"PRId64".\n", \
                   #name, (int64_t)current->name, (int64_t)(value)); \
        } \
    } while (0)

Definition at line 399 of file cbs_h2645.c.

more_rbsp_data [2/2]

#define more_rbsp_data

(

var

)

(var)

Definition at line 408 of file cbs_h2645.c.

byte_alignment [2/2]

#define byte_alignment

(

rw

)

(put_bits_count(rw) % 8)

Definition at line 410 of file cbs_h2645.c.

allocate [2/2]

#define allocate	(		name,
			size
	)

Value:

        do { \
        if (!name) { \
            av_log(ctx->log_ctx, AV_LOG_ERROR, "%s must be set " \
                   "for writing.\n", #name); \
            return AVERROR_INVALIDDATA; \
        } \
    } while (0)

Definition at line 412 of file cbs_h2645.c.

FUNC [3/4]

#define FUNC

(

name

)

FUNC_H264(READWRITE, name)

Definition at line 424 of file cbs_h2645.c.

FUNC [4/4]

#define FUNC

(

name

)

FUNC_H265(READWRITE, name)

Definition at line 424 of file cbs_h2645.c.

cbs_h2645_replace_ps

#define cbs_h2645_replace_ps	(		h26n,
			ps_name,
			ps_var,
			id_element
	)

Value:

static int cbs_h26 ## h26n ## _replace_ ## ps_var(CodedBitstreamContext *ctx, \
                                                  CodedBitstreamUnit *unit)  \
{ \
    CodedBitstreamH26 ## h26n ## Context *priv = ctx->priv_data; \
    H26 ## h26n ## Raw ## ps_name *ps_var = unit->content; \
    unsigned int id = ps_var->id_element; \
    if (id >= FF_ARRAY_ELEMS(priv->ps_var)) { \
        av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid " #ps_name \
               " id : %d.\n", id); \
        return AVERROR_INVALIDDATA; \
    } \
    if (priv->ps_var[id] == priv->active_ ## ps_var) \
        priv->active_ ## ps_var = NULL ; \
    av_buffer_unref(&priv->ps_var ## _ref[id]); \
    if (unit->content_ref) \
        priv->ps_var ## _ref[id] = av_buffer_ref(unit->content_ref); \
    else \
        priv->ps_var ## _ref[id] = av_buffer_alloc(sizeof(*ps_var)); \
    if (!priv->ps_var ## _ref[id]) \
        return AVERROR(ENOMEM); \
    priv->ps_var[id] = (H26 ## h26n ## Raw ## ps_name *)priv->ps_var ## _ref[id]->data; \
    if (!unit->content_ref) \
        memcpy(priv->ps_var[id], ps_var, sizeof(*ps_var)); \
    return 0; \
}

Definition at line 747 of file cbs_h2645.c.

Function Documentation

cbs_read_ue_golomb()

static int cbs_read_ue_golomb ( CodedBitstreamContext *  ctx, GetBitContext *  gbc, const char *  name, const int *  subscripts, uint32_t *  write_to, uint32_t  range_min, uint32_t  range_max  )

static

Definition at line 34 of file cbs_h2645.c.

cbs_read_se_golomb()

static int cbs_read_se_golomb ( CodedBitstreamContext *  ctx, GetBitContext *  gbc, const char *  name, const int *  subscripts, int32_t *  write_to, int32_t  range_min, int32_t  range_max  )

static

Definition at line 86 of file cbs_h2645.c.

cbs_write_ue_golomb()

static int cbs_write_ue_golomb ( CodedBitstreamContext *  ctx, PutBitContext *  pbc, const char *  name, const int *  subscripts, uint32_t  value, uint32_t  range_min, uint32_t  range_max  )

static

Definition at line 142 of file cbs_h2645.c.

cbs_write_se_golomb()

static int cbs_write_se_golomb ( CodedBitstreamContext *  ctx, PutBitContext *  pbc, const char *  name, const int *  subscripts, int32_t  value, int32_t  range_min, int32_t  range_max  )

static

Definition at line 185 of file cbs_h2645.c.

cbs_h2645_read_more_rbsp_data()

static int cbs_h2645_read_more_rbsp_data ( GetBitContext *  gbc )

static

Definition at line 325 of file cbs_h2645.c.

Referenced by cbs_h2645_replace_ps(), cbs_h265_read_nal_unit(), extension_data(), and sei().

cbs_h264_free_pps()

static void cbs_h264_free_pps ( void *  unit, uint8_t *  content  )

static

Definition at line 446 of file cbs_h2645.c.

Referenced by cbs_h2645_replace_ps().

cbs_h264_free_sei_payload()

static void cbs_h264_free_sei_payload ( H264RawSEIPayload *  payload )

static

Definition at line 453 of file cbs_h2645.c.

Referenced by cbs_h264_free_sei(), and ff_cbs_h264_delete_sei_message().

cbs_h264_free_sei()

static void cbs_h264_free_sei ( void *  unit, uint8_t *  content  )

static

Definition at line 476 of file cbs_h2645.c.

Referenced by cbs_h2645_replace_ps(), and ff_cbs_h264_add_sei_message().

cbs_h264_free_slice()

static void cbs_h264_free_slice ( void *  unit, uint8_t *  content  )

static

Definition at line 485 of file cbs_h2645.c.

Referenced by cbs_h2645_replace_ps().

cbs_h265_free_vps()

static void cbs_h265_free_vps ( void *  unit, uint8_t *  content  )

static

Definition at line 492 of file cbs_h2645.c.

Referenced by cbs_h265_read_nal_unit().

cbs_h265_free_sps()

static void cbs_h265_free_sps ( void *  unit, uint8_t *  content  )

static

Definition at line 499 of file cbs_h2645.c.

Referenced by cbs_h265_read_nal_unit().

cbs_h265_free_pps()

static void cbs_h265_free_pps ( void *  unit, uint8_t *  content  )

static

Definition at line 506 of file cbs_h2645.c.

Referenced by cbs_h265_read_nal_unit().

cbs_h265_free_slice()

static void cbs_h265_free_slice ( void *  unit, uint8_t *  content  )

static

Definition at line 513 of file cbs_h2645.c.

Referenced by cbs_h265_read_nal_unit().

cbs_h265_free_sei_payload()

static void cbs_h265_free_sei_payload ( H265RawSEIPayload *  payload )

static

Definition at line 520 of file cbs_h2645.c.

Referenced by cbs_h265_free_sei().

cbs_h265_free_sei()

static void cbs_h265_free_sei ( void *  unit, uint8_t *  content  )

static

Definition at line 548 of file cbs_h2645.c.

Referenced by cbs_h265_read_nal_unit().

cbs_h2645_fragment_add_nals()

static int cbs_h2645_fragment_add_nals ( CodedBitstreamContext *  ctx, CodedBitstreamFragment *  frag, const H2645Packet *  packet  )

static

Definition at line 557 of file cbs_h2645.c.

Referenced by cbs_h2645_split_fragment().

cbs_h2645_split_fragment()

static int cbs_h2645_split_fragment ( CodedBitstreamContext *  ctx, CodedBitstreamFragment *  frag, int  header  )

static

Definition at line 588 of file cbs_h2645.c.

cbs_h2645_replace_ps()

cbs_h2645_replace_ps	(	cbs_h2645_replace_ps(	4,
		cbs_h2645_replace_ps(	SPS,
		cbs_h2645_replace_ps(	sps,
		seq_parameter_set_id
	)

Definition at line 774 of file cbs_h2645.c.

cbs_h265_read_nal_unit()

static int cbs_h265_read_nal_unit ( CodedBitstreamContext *  ctx, CodedBitstreamUnit *  unit  )

static

Definition at line 939 of file cbs_h2645.c.

cbs_h2645_write_slice_data()

static int cbs_h2645_write_slice_data ( CodedBitstreamContext *  ctx, PutBitContext *  pbc, const uint8_t *  data, size_t  data_size, int  data_bit_start  )

static

Definition at line 1091 of file cbs_h2645.c.

Referenced by cbs_h264_write_nal_unit(), and cbs_h265_write_nal_unit().

cbs_h264_write_nal_unit()

static int cbs_h264_write_nal_unit ( CodedBitstreamContext *  ctx, CodedBitstreamUnit *  unit, PutBitContext *  pbc  )

static

Definition at line 1149 of file cbs_h2645.c.

cbs_h265_write_nal_unit()

static int cbs_h265_write_nal_unit ( CodedBitstreamContext *  ctx, CodedBitstreamUnit *  unit, PutBitContext *  pbc  )

static

Definition at line 1266 of file cbs_h2645.c.

cbs_h2645_assemble_fragment()

static int cbs_h2645_assemble_fragment ( CodedBitstreamContext *  ctx, CodedBitstreamFragment *  frag  )

static

Definition at line 1378 of file cbs_h2645.c.

cbs_h264_close()

static void cbs_h264_close ( CodedBitstreamContext *  ctx )

static

Definition at line 1465 of file cbs_h2645.c.

cbs_h265_close()

static void cbs_h265_close ( CodedBitstreamContext *  ctx )

static

Definition at line 1478 of file cbs_h2645.c.

ff_cbs_h264_add_sei_message()

int ff_cbs_h264_add_sei_message	(	CodedBitstreamContext *	ctx,
		CodedBitstreamFragment *	au,
		const H264RawSEIPayload *	payload
	)

Add an SEI message to an access unit.

Definition at line 1519 of file cbs_h2645.c.

Referenced by h264_metadata_filter().

ff_cbs_h264_delete_sei_message()

void ff_cbs_h264_delete_sei_message	(	CodedBitstreamContext *	ctx,
		CodedBitstreamFragment *	access_unit,
		CodedBitstreamUnit *	nal_unit,
		int	position
	)

Delete an SEI message from an access unit.

Deletes from nal_unit, which must be an SEI NAL unit. If this is the last message in nal_unit, also deletes it from access_unit.

Requires nal_unit to be a unit in access_unit and position to be >= 0 and < the payload count of the SEI nal_unit.

Definition at line 1581 of file cbs_h2645.c.

Referenced by h264_metadata_filter().

Variable Documentation

ff_cbs_type_h264

const CodedBitstreamType ff_cbs_type_h264

Initial value:

= {
    .codec_id          = AV_CODEC_ID_H264,
 
    .priv_data_size    = sizeof(CodedBitstreamH264Context),
 
    .split_fragment    = &cbs_h2645_split_fragment,
    .read_unit         = &cbs_h264_read_nal_unit,
    .write_unit        = &cbs_h264_write_nal_unit,
    .assemble_fragment = &cbs_h2645_assemble_fragment,
 
    .close             = &cbs_h264_close,
}

Definition at line 1493 of file cbs_h2645.c.

ff_cbs_type_h265

const CodedBitstreamType ff_cbs_type_h265

Initial value:

= {
    .codec_id          = AV_CODEC_ID_HEVC,
 
    .priv_data_size    = sizeof(CodedBitstreamH265Context),
 
    .split_fragment    = &cbs_h2645_split_fragment,
    .read_unit         = &cbs_h265_read_nal_unit,
    .write_unit        = &cbs_h265_write_nal_unit,
    .assemble_fragment = &cbs_h2645_assemble_fragment,
 
    .close             = &cbs_h265_close,
}

Definition at line 1506 of file cbs_h2645.c.