#include <string.h>
#include "libavutil/avassert.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "libavutil/mem.h"
#include "libavutil/rational.h"
#include "defs.h"
#include "packet.h"
#include "packet_internal.h"

Functions
static void	get_packet_defaults (AVPacket *pkt)

AVPacket *	av_packet_alloc (void)
	Allocate an AVPacket and set its fields to default values. More...

void	av_packet_free (AVPacket **pkt)
	Free the packet, if the packet is reference counted, it will be unreferenced first. More...

static int	packet_alloc (AVBufferRef **buf, int size)

int	av_new_packet (AVPacket *pkt, int size)
	Allocate the payload of a packet and initialize its fields with default values. More...

void	av_shrink_packet (AVPacket *pkt, int size)
	Reduce packet size, correctly zeroing padding. More...

int	av_grow_packet (AVPacket *pkt, int grow_by)
	Increase packet size, correctly zeroing padding. More...

int	av_packet_from_data (AVPacket pkt, uint8_t data, int size)
	Initialize a reference-counted packet from av_malloc()ed data. More...

void	av_packet_free_side_data (AVPacket *pkt)
	Convenience function to free all the side data stored. More...

int	av_packet_add_side_data (AVPacket pkt, enum AVPacketSideDataType type, uint8_t data, size_t size)
	Wrap an existing array as a packet side data. More...

uint8_t *	av_packet_new_side_data (AVPacket *pkt, enum AVPacketSideDataType type, size_t size)
	Allocate new information of a packet. More...

uint8_t *	av_packet_get_side_data (const AVPacket pkt, enum AVPacketSideDataType type, size_t size)
	Get side information from packet. More...

const char *	av_packet_side_data_name (enum AVPacketSideDataType type)

uint8_t *	av_packet_pack_dictionary (AVDictionary dict, size_t size)
	Pack a dictionary for use in side_data. More...

int	av_packet_unpack_dictionary (const uint8_t data, size_t size, AVDictionary *dict)
	Unpack a dictionary from side_data. More...

int	av_packet_shrink_side_data (AVPacket *pkt, enum AVPacketSideDataType type, size_t size)
	Shrink the already allocated side data buffer. More...

int	av_packet_copy_props (AVPacket dst, const AVPacket src)
	Copy only "properties" fields from src to dst. More...

void	av_packet_unref (AVPacket *pkt)
	Wipe the packet. More...

int	av_packet_ref (AVPacket dst, const AVPacket src)
	Setup a new reference to the data described by a given packet. More...

AVPacket *	av_packet_clone (const AVPacket *src)
	Create a new packet that references the same data as src. More...

void	av_packet_move_ref (AVPacket dst, AVPacket src)
	Move every field in src to dst and reset src. More...

int	av_packet_make_refcounted (AVPacket *pkt)
	Ensure the data described by a given packet is reference counted. More...

int	av_packet_make_writable (AVPacket *pkt)
	Create a writable reference for the data described by a given packet, avoiding data copy if possible. More...

void	av_packet_rescale_ts (AVPacket *pkt, AVRational src_tb, AVRational dst_tb)
	Convert valid timing fields (timestamps / durations) in a packet from one timebase to another. More...

int	avpriv_packet_list_put (PacketList packet_buffer, AVPacket pkt, int(copy)(AVPacket dst, const AVPacket *src), int flags)
	Append an AVPacket to the list. More...

int	avpriv_packet_list_get (PacketList pkt_buffer, AVPacket pkt)
	Remove the oldest AVPacket in the list and return it. More...

void	avpriv_packet_list_free (PacketList *pkt_buf)
	Wipe the list and unref all the packets in it. More...

int	ff_side_data_set_encoder_stats (AVPacket pkt, int quality, int64_t error, int error_count, int pict_type)

int	ff_side_data_set_prft (AVPacket *pkt, int64_t timestamp)

Function Documentation

◆ get_packet_defaults()

static void get_packet_defaults ( AVPacket * pkt )

static

Definition at line 52 of file avpacket.c.

Referenced by av_new_packet(), av_packet_alloc(), av_packet_move_ref(), av_packet_unref(), and avpriv_packet_list_put().

◆ packet_alloc()

static int packet_alloc	(	AVBufferRef **	buf,
		int	size
	)

static

Definition at line 82 of file avpacket.c.

Referenced by av_new_packet(), av_packet_make_refcounted(), av_packet_make_writable(), and av_packet_ref().

◆ avpriv_packet_list_put()

int avpriv_packet_list_put	(	PacketList *	list,
		AVPacket *	pkt,
		int()(AVPacket dst, const AVPacket *src)	copy,
		int	flags
	)

Append an AVPacket to the list.

Parameters

list	A PacketList
pkt	The packet being appended. The data described in it will be made reference counted if it isn't already.
copy	A callback to copy the contents of the packet to the list. May be null, in which case the packet's reference will be moved to the list.

Returns: 0 on success, negative AVERROR value on failure. On failure, the packet and the list are unchanged.

Definition at line 536 of file avpacket.c.

Referenced by aiff_write_packet(), av_read_frame(), avformat_find_stream_info(), avformat_queue_attached_pictures(), ff_read_packet(), flac_write_packet(), mov_write_packet(), mp3_write_packet(), parse_packet(), and tta_write_packet().

◆ avpriv_packet_list_get()

int avpriv_packet_list_get	(	PacketList *	list,
		AVPacket *	pkt
	)

Remove the oldest AVPacket in the list and return it.

Note: The pkt will be overwritten completely on success. The caller owns the packet and must unref it by itself.

Parameters

head	A pointer to a PacketList struct
pkt	Pointer to an AVPacket struct

Returns: 0 on success, and a packet is returned. AVERROR(EAGAIN) if the list was empty.

Definition at line 575 of file avpacket.c.

Referenced by av_read_frame(), ff_interleave_packet_per_dts(), ff_read_packet(), flac_queue_flush(), mov_write_ttml_document_from_queue(), mp3_queue_flush(), mxf_interleave_get_packet(), read_frame_internal(), and tta_queue_flush().

◆ avpriv_packet_list_free()

void avpriv_packet_list_free ( PacketList * pkt_buf )

Wipe the list and unref all the packets in it.

Definition at line 589 of file avpacket.c.

Referenced by aiff_deinit(), ff_flush_packet_queue(), flac_deinit(), matroska_parse_laces(), mov_free(), mp3_deinit(), and tta_deinit().

◆ ff_side_data_set_encoder_stats()

int ff_side_data_set_encoder_stats	(	AVPacket *	pkt,
		int	quality,
		int64_t *	error,
		int	error_count,
		int	pict_type
	)

Definition at line 602 of file avpacket.c.

Referenced by dnxhd_encode_picture(), eb_receive_packet(), encode_frame(), ff_mpv_encode_picture(), ff_qsv_encode(), libkvazaar_encode(), libx265_encode_frame(), process_output_surface(), storeframe(), svq1_encode_frame(), X264_frame(), XAVS_frame(), and xvid_encode_frame().

◆ ff_side_data_set_prft()

int ff_side_data_set_prft	(	AVPacket *	pkt,
		int64_t	timestamp
	)

Definition at line 627 of file avpacket.c.

Referenced by X264_frame().

Functions