60 for (parser = av_first_parser; parser; parser = parser->
next) {
86 #if FF_API_CONVERGENCE_DURATION
130 if (s->
cur_offset + off < s->cur_frame_end[i])
137 uint8_t **poutbuf,
int *poutbuf_size,
139 int64_t
pts, int64_t dts, int64_t pos)
161 memset(dummy_buf, 0,
sizeof(dummy_buf));
183 poutbuf_size, buf, buf_size);
185 #define FILL(name) if(s->name > 0 && avctx->name <= 0) avctx->name = s->name
206 uint8_t **poutbuf,
int *poutbuf_size,
207 const uint8_t *
buf,
int buf_size,
int keyframe)
220 *poutbuf_size = buf_size;
225 *poutbuf_size =
size;
254 ff_dlog(
NULL,
"overread %d, state:%"PRIX32
" next:%d index:%d o_index:%d\n",
257 (*buf)[0], (*buf)[1], (*buf)[2], (*buf)[3]);
273 *buf_size + pc->
index +
283 pc->
index += *buf_size;
310 for (; next < 0; next++) {
317 ff_dlog(
NULL,
"overread %d, state:%"PRIX32
" next:%d index:%d o_index:%d\n",
320 (*buf)[0], (*buf)[1], (*buf)[2], (*buf)[3]);
340 if (state == 0x1B3 || state == 0x1B6)
341 return ptr - 4 -
buf;
int(* parser_init)(AVCodecParserContext *s)
Memory handling functions.
int64_t next_frame_offset
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
int64_t cur_frame_pos[AV_PARSER_PTS_NB]
Position of the packet in file.
int dts_ref_dts_delta
Offset of the current timestamp against last timestamp sync point in units of AVCodecContext.time_base.
int ff_mpeg4video_split(AVCodecContext *avctx, const uint8_t *buf, int buf_size)
#define av_assert0(cond)
assert() equivalent, that is always enabled.
int av_parser_change(AVCodecParserContext *s, AVCodecContext *avctx, uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size, int keyframe)
static av_cold int end(AVCodecContext *avctx)
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
struct AVCodecParser * next
int(* parser_parse)(AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)
const uint8_t * avpriv_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
#define avpriv_atomic_ptr_cas
int64_t pos
Byte position of currently parsed frame in stream.
struct AVCodecParser * parser
int ff_combine_frame(ParseContext *pc, int next, const uint8_t **buf, int *buf_size)
Combine the (truncated) bitstream to a complete frame.
int flags
AV_CODEC_FLAG_*.
simple assert() macros that are a bit more flexible than ISO C assert().
int overread_index
the index into ParseContext.buffer of the overread bytes
int64_t cur_frame_dts[AV_PARSER_PTS_NB]
AVCodecParser * av_parser_next(const AVCodecParser *p)
void ff_parse_close(AVCodecParserContext *s)
common internal API header
#define av_assert1(cond)
assert() equivalent, that does not lie in speed critical code.
int overread
the number of bytes which where irreversibly read from the next frame
int av_parser_parse2(AVCodecParserContext *s, AVCodecContext *avctx, uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size, int64_t pts, int64_t dts, int64_t pos)
Parse a packet.
void(* parser_close)(AVCodecParserContext *s)
int64_t offset
byte offset from starting packet start
void av_parser_close(AVCodecParserContext *s)
void * av_fast_realloc(void *ptr, unsigned int *size, size_t min_size)
Reallocate the given buffer if it is not large enough, otherwise do nothing.
int64_t cur_frame_end[AV_PARSER_PTS_NB]
int64_t cur_frame_pts[AV_PARSER_PTS_NB]
int64_t last_pos
Previous frame byte position.
int pts_dts_delta
Presentation delay of current frame in units of AVCodecContext.time_base.
AVCodecParserContext * av_parser_init(int codec_id)
enum AVMediaType codec_type
main external API structure.
#define AV_CODEC_FLAG2_LOCAL_HEADER
Place global headers at every keyframe instead of in extradata.
int cur_frame_start_index
#define PARSER_FLAG_FETCHED_OFFSET
Set if the parser has a valid file offset.
uint32_t state
contains the last few bytes in MSB order
uint64_t state64
contains the last 8 bytes in MSB order
void av_register_codec_parser(AVCodecParser *parser)
static AVCodecParser * av_first_parser
attribute_deprecated int64_t convergence_duration
static int64_t pts
Global timestamp for the audio frames.
#define AV_CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
int(* split)(AVCodecContext *avctx, const uint8_t *buf, int buf_size)
#define FF_DISABLE_DEPRECATION_WARNINGS
common internal api header.
int64_t cur_frame_offset[AV_PARSER_PTS_NB]
#define AV_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
#define FF_ENABLE_DEPRECATION_WARNINGS
int format
The format of the coded data, corresponds to enum AVPixelFormat for video and for enum AVSampleFormat...
int flags2
AV_CODEC_FLAG2_*.
void ff_fetch_timestamp(AVCodecParserContext *s, int off, int remove, int fuzzy)
Fetch timestamps for a specific byte within the current access unit.
int key_frame
Set by parser to 1 for key frames and 0 for non-key frames.
int dts_sync_point
Synchronization point for start of timestamp generation.
#define AV_NOPTS_VALUE
Undefined timestamp value.