FFmpeg
 All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
Macros | Functions
avpacket.c File Reference
#include <string.h>
#include "libavutil/avassert.h"
#include "libavutil/mem.h"
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"

Go to the source code of this file.

Macros

#define DUP_DATA(dst, src, size, padding)
 
#define FF_MERGE_MARKER   0x8c4d9d108e25e9feULL
 

Functions

void ff_packet_free_side_data (AVPacket *pkt)
 Remove and free all side data from packet.
 
void av_destruct_packet (AVPacket *pkt)
 Default packet destructor.
 
void av_init_packet (AVPacket *pkt)
 Initialize optional fields of a packet with default values.
 
int av_new_packet (AVPacket *pkt, int size)
 Allocate the payload of a packet and initialize its fields with default values.
 
void av_shrink_packet (AVPacket *pkt, int size)
 Reduce packet size, correctly zeroing padding.
 
int av_grow_packet (AVPacket *pkt, int grow_by)
 Increase packet size, correctly zeroing padding.
 
static int copy_packet_data (AVPacket *dst, AVPacket *src)
 
int av_dup_packet (AVPacket *pkt)
 
int av_copy_packet (AVPacket *dst, AVPacket *src)
 Copy packet, including contents.
 
void av_free_packet (AVPacket *pkt)
 Free a packet.
 
uint8_tav_packet_new_side_data (AVPacket *pkt, enum AVPacketSideDataType type, int size)
 Allocate new information of a packet.
 
uint8_tav_packet_get_side_data (AVPacket *pkt, enum AVPacketSideDataType type, int *size)
 Get side information from packet.
 
int av_packet_merge_side_data (AVPacket *pkt)
 
int av_packet_split_side_data (AVPacket *pkt)
 
int av_packet_shrink_side_data (AVPacket *pkt, enum AVPacketSideDataType type, int size)
 Shrink the already allocated side data buffer.
 

Macro Definition Documentation

#define DUP_DATA (   dst,
  src,
  size,
  padding 
)
Value:
do { \
void *data; \
if (padding) { \
if ((unsigned)(size) > \
goto failed_alloc; \
} else { \
data = av_malloc(size); \
} \
if (!data) \
goto failed_alloc; \
memcpy(data, src, size); \
if (padding) \
memset((uint8_t *)data + size, 0, \
dst = data; \
} while (0)

Definition at line 106 of file avpacket.c.

Referenced by copy_packet_data().

#define FF_MERGE_MARKER   0x8c4d9d108e25e9feULL

Definition at line 229 of file avpacket.c.

Referenced by av_packet_merge_side_data(), and av_packet_split_side_data().

Function Documentation

void ff_packet_free_side_data ( AVPacket pkt)

Remove and free all side data from packet.

Definition at line 30 of file avpacket.c.

Referenced by avcodec_decode_audio4(), avcodec_decode_subtitle2(), and avcodec_decode_video2().

static int copy_packet_data ( AVPacket dst,
AVPacket src 
)
static

Definition at line 127 of file avpacket.c.

Referenced by av_copy_packet(), and av_dup_packet().