27 #include "libavutil/mem.h"
52 for(parser = av_first_parser; parser != NULL; parser = parser->
next) {
116 uint8_t **poutbuf,
int *poutbuf_size,
118 int64_t pts, int64_t dts,
132 memset(dummy_buf, 0,
sizeof(dummy_buf));
173 uint8_t **poutbuf,
int *poutbuf_size,
174 const uint8_t *
buf,
int buf_size,
int keyframe){
186 *poutbuf_size= buf_size;
219 av_dlog(NULL,
"overread %d, state:%X next:%d index:%d o_index:%d\n",
221 av_dlog(NULL,
"%X %X %X %X\n", (*buf)[0], (*buf)[1], (*buf)[2], (*buf)[3]);
246 pc->
index += *buf_size;
270 for(;next < 0; next++){
277 av_dlog(NULL,
"overread %d, state:%X next:%d index:%d o_index:%d\n",
279 av_dlog(NULL,
"%X %X %X %X\n", (*buf)[0], (*buf)[1],(*buf)[2],(*buf)[3]);
300 for(i=0; i<buf_size; i++){
301 state= (state<<8) | buf[i];
302 if(state == 0x1B3 || state == 0x1B6)
int(* parser_init)(AVCodecParserContext *s)
int64_t next_frame_offset
av_dlog(ac->avr,"%d samples - audio_convert: %s to %s (%s)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt), use_generic?ac->func_descr_generic:ac->func_descr)
int dts_ref_dts_delta
Offset of the current timestamp against last timestamp sync point in units of AVCodecContext.time_base.
int64_t cur_frame_end[AV_PARSER_PTS_NB]
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
int ff_mpeg4video_split(AVCodecContext *avctx, const uint8_t *buf, int buf_size)
void av_freep(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
int64_t cur_frame_pos[AV_PARSER_PTS_NB]
Position of the packet in file.
int av_parser_change(AVCodecParserContext *s, AVCodecContext *avctx, uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size, int keyframe)
#define CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
int64_t cur_frame_offset[AV_PARSER_PTS_NB]
int(* parser_parse)(AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)
void ff_fetch_timestamp(AVCodecParserContext *s, int off, int remove)
Fetch timestamps for a specific byte within the current access unit.
struct AVCodecParser * next
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
#define avpriv_atomic_ptr_cas
int64_t pos
Byte position of currently parsed frame in stream.
int ff_combine_frame(ParseContext *pc, int next, const uint8_t **buf, int *buf_size)
Combine the (truncated) bitstream to a complete frame.
int64_t cur_frame_dts[AV_PARSER_PTS_NB]
int overread_index
the index into ParseContext.buffer of the overread bytes
#define PARSER_FLAG_FETCHED_OFFSET
Set if the parser has a valid file offset.
void ff_parse_close(AVCodecParserContext *s)
#define FF_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
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_malloc(size_t size) av_malloc_attrib 1(1)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
int64_t convergence_duration
Time difference in stream time base units from the pts of this packet to the point at which the outpu...
void av_parser_close(AVCodecParserContext *s)
AVCodecParserContext * av_parser_init(int codec_id)
int64_t last_pos
Previous frame byte position.
void * av_fast_realloc(void *ptr, unsigned int *size, size_t min_size)
Reallocate the given block if it is not large enough, otherwise do nothing.
int pts_dts_delta
Presentation delay of current frame in units of AVCodecContext.time_base.
main external API structure.
#define CODEC_FLAG2_LOCAL_HEADER
Place global headers at every keyframe instead of in extradata.
int cur_frame_start_index
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
int(* split)(AVCodecContext *avctx, const uint8_t *buf, int buf_size)
int64_t cur_frame_pts[AV_PARSER_PTS_NB]
struct AVCodecParser * parser
AVCodecParser * av_parser_next(AVCodecParser *c)
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.
void * av_mallocz(size_t size) av_malloc_attrib 1(1)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...