Macros | Functions | Variables
avcodec.c File Reference
#include "config.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/bprint.h"
#include "libavutil/channel_layout.h"
#include "libavutil/emms.h"
#include "libavutil/fifo.h"
#include "libavutil/imgutils.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/thread.h"
#include "avcodec.h"
#include "avcodec_internal.h"
#include "bsf.h"
#include "codec_desc.h"
#include "codec_internal.h"
#include "decode.h"
#include "encode.h"
#include "frame_thread_encoder.h"
#include "hwconfig.h"
#include "internal.h"
#include "refstruct.h"
#include "thread.h"

Go to the source code of this file.


 Maximum size in bytes of extradata. More...


int avcodec_default_execute (AVCodecContext *c, int(*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
int avcodec_default_execute2 (AVCodecContext *c, int(*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr), void *arg, int *ret, int count)
static void lock_avcodec (const FFCodec *codec)
static void unlock_avcodec (const FFCodec *codec)
static int64_t get_bit_rate (AVCodecContext *ctx)
int attribute_align_arg avcodec_open2 (AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
 Initialize the AVCodecContext to use the given AVCodec. More...
void avcodec_flush_buffers (AVCodecContext *avctx)
 Reset the internal codec state / flush internal buffers. More...
void avsubtitle_free (AVSubtitle *sub)
 Free all allocated data in the given subtitle struct. More...
av_cold void ff_codec_close (AVCodecContext *avctx)
int avcodec_close (AVCodecContext *avctx)
 Close a given AVCodecContext and free all the data associated with it (but not the AVCodecContext itself). More...
static const char * unknown_if_null (const char *str)
void avcodec_string (char *buf, int buf_size, AVCodecContext *enc, int encode)
int avcodec_is_open (AVCodecContext *s)
int attribute_align_arg avcodec_receive_frame (AVCodecContext *avctx, AVFrame *frame)
 Return decoded output data from a decoder or encoder (when the AV_CODEC_FLAG_RECON_FRAME flag is used). More...


static AVMutex codec_mutex = AV_MUTEX_INITIALIZER

Detailed Description

AVCodecContext functions for libavcodec

Definition in file avcodec.c.

Macro Definition Documentation



Maximum size in bytes of extradata.

This value was chosen such that every bit of the buffer is addressable by a 32-bit signed integer as used by get_bits.

Definition at line 55 of file avcodec.c.

Function Documentation

◆ avcodec_default_execute2()

int avcodec_default_execute2 ( AVCodecContext c,
int(*)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr)  func,
void *  arg,
int ret,
int  count 

Definition at line 71 of file avcodec.c.

Referenced by init_context_defaults().

◆ lock_avcodec()

static void lock_avcodec ( const FFCodec codec)

Definition at line 86 of file avcodec.c.

Referenced by avcodec_open2().

◆ unlock_avcodec()

static void unlock_avcodec ( const FFCodec codec)

Definition at line 92 of file avcodec.c.

Referenced by avcodec_open2().

◆ get_bit_rate()

static int64_t get_bit_rate ( AVCodecContext ctx)

Definition at line 98 of file avcodec.c.

Referenced by avcodec_open2(), and avcodec_string().

◆ ff_codec_close()

av_cold void ff_codec_close ( AVCodecContext avctx)

◆ unknown_if_null()

static const char* unknown_if_null ( const char *  str)

Definition at line 510 of file avcodec.c.

Referenced by avcodec_string().

Variable Documentation

◆ codec_mutex

AVMutex codec_mutex = AV_MUTEX_INITIALIZER

Definition at line 84 of file avcodec.c.

Referenced by lock_avcodec(), and unlock_avcodec().