avcodec.h File Reference

Libavcodec external API header. More...

#include "libavutil/samplefmt.h"
#include "libavutil/attributes.h"
#include "libavutil/avutil.h"
#include "libavutil/buffer.h"
#include "libavutil/channel_layout.h"
#include "libavutil/dict.h"
#include "libavutil/frame.h"
#include "libavutil/log.h"
#include "libavutil/pixfmt.h"
#include "libavutil/rational.h"
#include "codec.h"
#include "codec_id.h"
#include "defs.h"
#include "packet.h"
#include "version_major.h"

Go to the source code of this file.

Data Structures
struct	RcOverride
struct	AVCodecContext
	main external API structure. More...
struct	AVHWAccel
struct	AVSubtitleRect
struct	AVSubtitle
struct	AVCodecParserContext
struct	AVCodecParser

Macros
#define	AV_CODEC_FLAG_UNALIGNED   (1 << 0)
	Allow decoders to produce frames with data planes that are not aligned to CPU requirements (e.g.
#define	AV_CODEC_FLAG_QSCALE   (1 << 1)
	Use fixed qscale.
#define	AV_CODEC_FLAG_4MV   (1 << 2)
	4 MV per MB allowed / advanced prediction for H.263.
#define	AV_CODEC_FLAG_OUTPUT_CORRUPT   (1 << 3)
	Output even those frames that might be corrupted.
#define	AV_CODEC_FLAG_QPEL   (1 << 4)
	Use qpel MC.
#define	AV_CODEC_FLAG_RECON_FRAME   (1 << 6)
	Request the encoder to output reconstructed frames, i.e. frames that would be produced by decoding the encoded bitstream.
#define	AV_CODEC_FLAG_COPY_OPAQUE   (1 << 7)
#define	AV_CODEC_FLAG_FRAME_DURATION   (1 << 8)
	Signal to the encoder that the values of AVFrame.duration are valid and should be used (typically for transferring them to output packets).
#define	AV_CODEC_FLAG_PASS1   (1 << 9)
	Use internal 2pass ratecontrol in first pass mode.
#define	AV_CODEC_FLAG_PASS2   (1 << 10)
	Use internal 2pass ratecontrol in second pass mode.
#define	AV_CODEC_FLAG_LOOP_FILTER   (1 << 11)
	loop filter.
#define	AV_CODEC_FLAG_GRAY   (1 << 13)
	Only decode/encode grayscale.
#define	AV_CODEC_FLAG_PSNR   (1 << 15)
	error[?
#define	AV_CODEC_FLAG_INTERLACED_DCT   (1 << 18)
	Use interlaced DCT.
#define	AV_CODEC_FLAG_LOW_DELAY   (1 << 19)
	Force low delay.
#define	AV_CODEC_FLAG_GLOBAL_HEADER   (1 << 22)
	Place global headers in extradata instead of every keyframe.
#define	AV_CODEC_FLAG_BITEXACT   (1 << 23)
	Use only bitexact stuff (except (I)DCT).
#define	AV_CODEC_FLAG_AC_PRED   (1 << 24)
	H.263 advanced intra coding / MPEG-4 AC prediction.
#define	AV_CODEC_FLAG_INTERLACED_ME   (1 << 29)
	interlaced motion estimation
#define	AV_CODEC_FLAG_CLOSED_GOP   (1U << 31)
#define	AV_CODEC_FLAG2_FAST   (1 << 0)
	Allow non spec compliant speedup tricks.
#define	AV_CODEC_FLAG2_NO_OUTPUT   (1 << 2)
	Skip bitstream encoding.
#define	AV_CODEC_FLAG2_LOCAL_HEADER   (1 << 3)
	Place global headers at every keyframe instead of in extradata.
#define	AV_CODEC_FLAG2_CHUNKS   (1 << 15)
	Input bitstream might be truncated at a packet boundaries instead of only at frame boundaries.
#define	AV_CODEC_FLAG2_IGNORE_CROP   (1 << 16)
	Discard cropping information from SPS.
#define	AV_CODEC_FLAG2_FIXED_FRAME_SIZE   (1 << 17)
	Force audio encoders to use a fixed frame size.
#define	AV_CODEC_FLAG2_SHOW_ALL   (1 << 22)
	Show all frames before the first keyframe.
#define	AV_CODEC_FLAG2_EXPORT_MVS   (1 << 28)
	Export motion vectors through frame side data.
#define	AV_CODEC_FLAG2_SKIP_MANUAL   (1 << 29)
	Do not skip samples and export skip information as frame side data.
#define	AV_CODEC_FLAG2_RO_FLUSH_NOOP   (1 << 30)
	Do not reset ASS ReadOrder field on flush (subtitles decoding)
#define	AV_CODEC_FLAG2_ICC_PROFILES   (1U << 31)
	Generate/parse ICC profiles on encode/decode, as appropriate for the type of file.
#define	AV_CODEC_EXPORT_DATA_MVS   (1 << 0)
	Export motion vectors through frame side data.
#define	AV_CODEC_EXPORT_DATA_PRFT   (1 << 1)
	Export encoder Producer Reference Time through packet side data.
#define	AV_CODEC_EXPORT_DATA_VIDEO_ENC_PARAMS   (1 << 2)
	Decoding only.
#define	AV_CODEC_EXPORT_DATA_FILM_GRAIN   (1 << 3)
	Decoding only.
#define	AV_CODEC_EXPORT_DATA_ENHANCEMENTS   (1 << 4)
	Decoding only.
#define	AV_GET_BUFFER_FLAG_REF   (1 << 0)
	The decoder will keep a reference to the frame and may reuse it later.
#define	AV_GET_ENCODE_BUFFER_FLAG_REF   (1 << 0)
	The encoder will keep a reference to the packet and may reuse it later.
#define	AV_CODEC_RECEIVE_FRAME_FLAG_SYNCHRONOUS   (1 << 0)
	The decoder will bypass frame threading and return the next frame as soon as possible.
#define	SLICE_FLAG_CODED_ORDER   0x0001
	draw_horiz_band() is called in coded order instead of display
#define	SLICE_FLAG_ALLOW_FIELD   0x0002
	allow draw_horiz_band() with field slices (MPEG-2 field pics)
#define	SLICE_FLAG_ALLOW_PLANE   0x0004
	allow draw_horiz_band() with 1 component at a time (SVQ1)
#define	FF_CMP_SAD   0
#define	FF_CMP_SSE   1
#define	FF_CMP_SATD   2
#define	FF_CMP_DCT   3
#define	FF_CMP_PSNR   4
#define	FF_CMP_BIT   5
#define	FF_CMP_RD   6
#define	FF_CMP_ZERO   7
#define	FF_CMP_VSAD   8
#define	FF_CMP_VSSE   9
#define	FF_CMP_NSSE   10
#define	FF_CMP_W53   11
#define	FF_CMP_W97   12
#define	FF_CMP_DCTMAX   13
#define	FF_CMP_DCT264   14
#define	FF_CMP_MEDIAN_SAD   15
#define	FF_CMP_CHROMA   256
#define	FF_MB_DECISION_SIMPLE   0
	uses mb_cmp
#define	FF_MB_DECISION_BITS   1
	chooses the one which needs the fewest bits
#define	FF_MB_DECISION_RD   2
	rate distortion
#define	FF_COMPRESSION_DEFAULT   -1
#define	FF_BUG_AUTODETECT   1
	autodetection
#define	FF_BUG_XVID_ILACE   4
#define	FF_BUG_UMP4   8
#define	FF_BUG_NO_PADDING   16
#define	FF_BUG_AMV   32
#define	FF_BUG_QPEL_CHROMA   64
#define	FF_BUG_STD_QPEL   128
#define	FF_BUG_QPEL_CHROMA2   256
#define	FF_BUG_DIRECT_BLOCKSIZE   512
#define	FF_BUG_EDGE   1024
#define	FF_BUG_HPEL_CHROMA   2048
#define	FF_BUG_DC_CLIP   4096
#define	FF_BUG_MS   8192
	Work around various bugs in Microsoft's broken decoders.
#define	FF_BUG_TRUNCATED   16384
#define	FF_BUG_IEDGE   32768
#define	FF_BUG_H264_DP_NNZ   65536
	H.264: JM's nC derivation for partitioned slices.
#define	FF_EC_GUESS_MVS   1
#define	FF_EC_DEBLOCK   2
#define	FF_EC_FAVOR_INTER   256
#define	FF_DEBUG_PICT_INFO   1
#define	FF_DEBUG_RC   2
#define	FF_DEBUG_BITSTREAM   4
#define	FF_DEBUG_MB_TYPE   8
#define	FF_DEBUG_QP   16
#define	FF_DEBUG_DCT_COEFF   0x00000040
#define	FF_DEBUG_SKIP   0x00000080
#define	FF_DEBUG_STARTCODE   0x00000100
#define	FF_DEBUG_ER   0x00000400
#define	FF_DEBUG_MMCO   0x00000800
#define	FF_DEBUG_BUGS   0x00001000
#define	FF_DEBUG_BUFFERS   0x00008000
#define	FF_DEBUG_THREADS   0x00010000
#define	FF_DEBUG_GREEN_MD   0x00800000
#define	FF_DEBUG_NOMC   0x01000000
#define	FF_DCT_AUTO   0
#define	FF_DCT_FASTINT   1
#define	FF_DCT_INT   2
#define	FF_DCT_MMX   3
#define	FF_DCT_ALTIVEC   5
#define	FF_DCT_FAAN   6
#define	FF_DCT_NEON   7
#define	FF_IDCT_AUTO   0
#define	FF_IDCT_INT   1
#define	FF_IDCT_SIMPLE   2
#define	FF_IDCT_SIMPLEMMX   3
#define	FF_IDCT_ARM   7
#define	FF_IDCT_ALTIVEC   8
#define	FF_IDCT_SIMPLEARM   10
#define	FF_IDCT_XVID   14
#define	FF_IDCT_SIMPLEARMV5TE   16
#define	FF_IDCT_SIMPLEARMV6   17
#define	FF_IDCT_FAAN   20
#define	FF_IDCT_SIMPLENEON   22
#define	FF_IDCT_SIMPLEAUTO   128
#define	FF_THREAD_FRAME   1
	Decode more than one frame at once.
#define	FF_THREAD_SLICE   2
	Decode more than one part of a single frame at once.
#define	FF_SUB_CHARENC_MODE_DO_NOTHING   -1
	do nothing (demuxer outputs a stream supposed to be already in UTF-8, or the codec is bitmap for instance)
#define	FF_SUB_CHARENC_MODE_AUTOMATIC   0
	libavcodec will select the mode itself
#define	FF_SUB_CHARENC_MODE_PRE_DECODER   1
	the AVPacket data needs to be recoded to UTF-8 before being fed to the decoder, requires iconv
#define	FF_SUB_CHARENC_MODE_IGNORE   2
	neither convert the subtitles, nor check them for valid UTF-8
#define	AV_HWACCEL_CODEC_CAP_EXPERIMENTAL   0x0200
	HWAccel is experimental and is thus avoided in favor of non experimental codecs.
#define	AV_HWACCEL_FLAG_IGNORE_LEVEL   (1 << 0)
	Hardware acceleration should be used for decoding even if the codec level used is unknown or higher than the maximum supported level reported by the hardware driver.
#define	AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH   (1 << 1)
	Hardware acceleration can output YUV pixel formats with a different chroma sampling than 4:2:0 and/or other than 8 bits per component.
#define	AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH   (1 << 2)
	Hardware acceleration should still be attempted for decoding when the codec profile does not match the reported capabilities of the hardware.
#define	AV_HWACCEL_FLAG_UNSAFE_OUTPUT   (1 << 3)
	Some hardware decoders (namely nvdec) can either output direct decoder surfaces, or make an on-device copy and return said copy.
#define	AV_SUBTITLE_FLAG_FORCED   0x00000001
#define	AV_PARSER_PTS_NB   4
#define	PARSER_FLAG_COMPLETE_FRAMES   0x0001
#define	PARSER_FLAG_ONCE   0x0002
#define	PARSER_FLAG_FETCHED_OFFSET   0x0004
	Set if the parser has a valid file offset.
#define	PARSER_FLAG_USE_CODEC_TS   0x1000

Enumerations
enum	AVSubtitleType { SUBTITLE_NONE , SUBTITLE_BITMAP , SUBTITLE_TEXT , SUBTITLE_ASS }
enum	AVCodecConfig {   AV_CODEC_CONFIG_PIX_FORMAT , AV_CODEC_CONFIG_FRAME_RATE , AV_CODEC_CONFIG_SAMPLE_RATE , AV_CODEC_CONFIG_SAMPLE_FORMAT ,   AV_CODEC_CONFIG_CHANNEL_LAYOUT , AV_CODEC_CONFIG_COLOR_RANGE , AV_CODEC_CONFIG_COLOR_SPACE , AV_CODEC_CONFIG_ALPHA_MODE }
enum	AVPictureStructure { AV_PICTURE_STRUCTURE_UNKNOWN , AV_PICTURE_STRUCTURE_TOP_FIELD , AV_PICTURE_STRUCTURE_BOTTOM_FIELD , AV_PICTURE_STRUCTURE_FRAME }

Functions
unsigned	avcodec_version (void)
	Return the LIBAVCODEC_VERSION_INT constant.
const char *	avcodec_configuration (void)
	Return the libavcodec build-time configuration.
const char *	avcodec_license (void)
	Return the libavcodec license.
AVCodecContext *	avcodec_alloc_context3 (const AVCodec *codec)
	Allocate an AVCodecContext and set its fields to default values.
void	avcodec_free_context (AVCodecContext **avctx)
	Free the codec context and everything associated with it and write NULL to the provided pointer.
const AVClass *	avcodec_get_class (void)
	Get the AVClass for AVCodecContext.
const AVClass *	avcodec_get_subtitle_rect_class (void)
	Get the AVClass for AVSubtitleRect.
int	avcodec_open2 (AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
	Initialize the AVCodecContext to use the given AVCodec.
int	avcodec_encode_reconfigure (AVCodecContext *avctx, AVDictionary **options)
	Try to reconfigure the encoder with the provided dictionary.
void	avsubtitle_free (AVSubtitle *sub)
	Free all allocated data in the given subtitle struct.
int	avcodec_default_get_buffer2 (AVCodecContext *s, AVFrame *frame, int flags)
	The default callback for AVCodecContext.get_buffer2().
int	avcodec_default_get_encode_buffer (AVCodecContext *s, AVPacket *pkt, int flags)
	The default callback for AVCodecContext.get_encode_buffer().
void	avcodec_align_dimensions (AVCodecContext *s, int *width, int *height)
	Modify width and height values so that they will result in a memory buffer that is acceptable for the codec if you do not use any horizontal padding.
void	avcodec_align_dimensions2 (AVCodecContext *s, int *width, int *height, int linesize_align[AV_NUM_DATA_POINTERS])
	Modify width and height values so that they will result in a memory buffer that is acceptable for the codec if you also ensure that all line sizes are a multiple of the respective linesize_align[i].
int	avcodec_decode_subtitle2 (AVCodecContext *avctx, AVSubtitle *sub, int *got_sub_ptr, const AVPacket *avpkt)
	Decode a subtitle message.
int	avcodec_send_packet (AVCodecContext *avctx, const AVPacket *avpkt)
	Supply raw packet data as input to a decoder.
int	avcodec_receive_frame_flags (AVCodecContext *avctx, AVFrame *frame, unsigned flags)
	Return decoded output data from a decoder or encoder (when the AV_CODEC_FLAG_RECON_FRAME flag is used).
int	avcodec_receive_frame (AVCodecContext *avctx, AVFrame *frame)
	Alias for avcodec_receive_frame_flags(avctx, frame, 0).
int	avcodec_send_frame (AVCodecContext *avctx, const AVFrame *frame)
	Supply a raw video or audio frame to the encoder.
int	avcodec_receive_packet (AVCodecContext *avctx, AVPacket *avpkt)
	Read encoded data from the encoder.
int	avcodec_get_hw_frames_parameters (AVCodecContext *avctx, AVBufferRef *device_ref, enum AVPixelFormat hw_pix_fmt, AVBufferRef **out_frames_ref)
	Create and return a AVHWFramesContext with values adequate for hardware decoding.
int	avcodec_get_supported_config (const AVCodecContext *avctx, const AVCodec *codec, enum AVCodecConfig config, unsigned flags, const void **out_configs, int *out_num_configs)
	Retrieve a list of all supported values for a given configuration type.
const AVCodecParser *	av_parser_iterate (void **opaque)
	Iterate over all registered codec parsers.
AVCodecParserContext *	av_parser_init (enum AVCodecID codec_id)
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	av_parser_close (AVCodecParserContext *s)
int	avcodec_encode_subtitle (AVCodecContext *avctx, uint8_t *buf, int buf_size, const AVSubtitle *sub)
unsigned int	avcodec_pix_fmt_to_codec_tag (enum AVPixelFormat pix_fmt)
	Return a value representing the fourCC code associated to the pixel format pix_fmt, or 0 if no associated fourCC code can be found.
enum AVPixelFormat	avcodec_find_best_pix_fmt_of_list (const enum AVPixelFormat *pix_fmt_list, enum AVPixelFormat src_pix_fmt, int has_alpha, int *loss_ptr)
	Find the best pixel format to convert to given a certain source pixel format.
enum AVPixelFormat	avcodec_default_get_format (struct AVCodecContext *s, const enum AVPixelFormat *fmt)
void	avcodec_string (char *buf, int buf_size, AVCodecContext *enc, int encode)
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, int), void *arg, int *ret, int count)
int	avcodec_fill_audio_frame (AVFrame *frame, int nb_channels, enum AVSampleFormat sample_fmt, const uint8_t *buf, int buf_size, int align)
	Fill AVFrame audio data and linesize pointers.
void	avcodec_flush_buffers (AVCodecContext *avctx)
	Reset the internal codec state / flush internal buffers.
int	av_get_audio_frame_duration (AVCodecContext *avctx, int frame_bytes)
	Return audio frame duration.
void	av_fast_padded_malloc (void *ptr, unsigned int *size, size_t min_size)
	Same behaviour av_fast_malloc but the buffer has additional AV_INPUT_BUFFER_PADDING_SIZE at the end which will always be 0.
void	av_fast_padded_mallocz (void *ptr, unsigned int *size, size_t min_size)
	Same behaviour av_fast_padded_malloc except that buffer will always be 0-initialized after call.
int	avcodec_is_open (AVCodecContext *s)

Detailed Description

Libavcodec external API header.

Definition in file avcodec.h.

Macro Definition Documentation

SLICE_FLAG_CODED_ORDER

#define SLICE_FLAG_CODED_ORDER   0x0001

draw_horiz_band() is called in coded order instead of display

Definition at line 717 of file avcodec.h.

Referenced by ff_draw_horiz_band().

SLICE_FLAG_ALLOW_FIELD

#define SLICE_FLAG_ALLOW_FIELD   0x0002

allow draw_horiz_band() with field slices (MPEG-2 field pics)

Definition at line 718 of file avcodec.h.

Referenced by ff_draw_horiz_band(), and ff_h264_draw_horiz_band().

SLICE_FLAG_ALLOW_PLANE

#define SLICE_FLAG_ALLOW_PLANE   0x0004

allow draw_horiz_band() with 1 component at a time (SVQ1)

Definition at line 719 of file avcodec.h.

FF_CMP_SAD

#define FF_CMP_SAD   0

Definition at line 881 of file avcodec.h.

Referenced by config_props(), ff_me_init(), get_penalty_factor(), and get_penalty_factor().

FF_CMP_SSE

#define FF_CMP_SSE   1

Definition at line 882 of file avcodec.h.

Referenced by config_props(), ff_estimate_p_frame_motion(), get_penalty_factor(), and get_penalty_factor().

FF_CMP_SATD

#define FF_CMP_SATD   2

Definition at line 883 of file avcodec.h.

Referenced by get_penalty_factor(), and get_penalty_factor().

FF_CMP_DCT

#define FF_CMP_DCT   3

Definition at line 884 of file avcodec.h.

Referenced by get_penalty_factor(), and get_penalty_factor().

FF_CMP_PSNR

#define FF_CMP_PSNR   4

Definition at line 885 of file avcodec.h.

Referenced by get_penalty_factor(), and get_penalty_factor().

FF_CMP_BIT

#define FF_CMP_BIT   5

Definition at line 886 of file avcodec.h.

Referenced by get_penalty_factor(), and get_penalty_factor().

FF_CMP_RD

#define FF_CMP_RD   6

Definition at line 887 of file avcodec.h.

Referenced by get_penalty_factor(), get_penalty_factor(), h263_mv4_search(), and interlaced_search().

FF_CMP_ZERO

#define FF_CMP_ZERO   7

Definition at line 888 of file avcodec.h.

Referenced by ff_set_cmp().

FF_CMP_VSAD

#define FF_CMP_VSAD   8

Definition at line 889 of file avcodec.h.

FF_CMP_VSSE

#define FF_CMP_VSSE   9

Definition at line 890 of file avcodec.h.

Referenced by encode_mb_internal().

FF_CMP_NSSE

#define FF_CMP_NSSE   10

Definition at line 891 of file avcodec.h.

Referenced by get_penalty_factor(), get_penalty_factor(), and me_cmp_init().

FF_CMP_W53

#define FF_CMP_W53   11

Definition at line 892 of file avcodec.h.

Referenced by get_block_rd(), get_penalty_factor(), and get_penalty_factor().

FF_CMP_W97

#define FF_CMP_W97   12

Definition at line 893 of file avcodec.h.

Referenced by get_block_rd(), get_penalty_factor(), and get_penalty_factor().

FF_CMP_DCTMAX

#define FF_CMP_DCTMAX   13

Definition at line 894 of file avcodec.h.

FF_CMP_DCT264

#define FF_CMP_DCT264   14

Definition at line 895 of file avcodec.h.

Referenced by get_penalty_factor(), and get_penalty_factor().

FF_CMP_MEDIAN_SAD

#define FF_CMP_MEDIAN_SAD   15

Definition at line 896 of file avcodec.h.

Referenced by get_penalty_factor().

FF_CMP_CHROMA

#define FF_CMP_CHROMA   256

Definition at line 897 of file avcodec.h.

Referenced by check_bidir_mv(), ff_me_init(), h263_mv4_search(), X264_init(), and XAVS_init().

FF_MB_DECISION_SIMPLE

#define FF_MB_DECISION_SIMPLE   0

uses mb_cmp

Definition at line 949 of file avcodec.h.

Referenced by clip_coeffs(), ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), and ff_mpv_encode_init().

FF_MB_DECISION_BITS

#define FF_MB_DECISION_BITS   1

chooses the one which needs the fewest bits

Definition at line 950 of file avcodec.h.

Referenced by encode_thread(), and xvid_encode_init().

FF_MB_DECISION_RD

#define FF_MB_DECISION_RD   2

rate distortion

Definition at line 951 of file avcodec.h.

Referenced by dnxhd_calc_bits_thread(), dnxhd_encode_picture(), dnxhd_init_rc(), encode_mb_hq(), ff_mpv_encode_init(), ff_mpv_encode_picture(), and xvid_encode_init().

FF_COMPRESSION_DEFAULT

#define FF_COMPRESSION_DEFAULT   -1

Definition at line 1242 of file avcodec.h.

Referenced by alac_encode_init(), encode_init(), encode_init(), encode_init(), flashsv_encode_init(), init_video_param(), mp3lame_encode_init(), png_enc_init(), vaapi_encode_h264_init(), and wavpack_encode_init().

FF_BUG_AUTODETECT

#define FF_BUG_AUTODETECT   1

autodetection

Definition at line 1346 of file avcodec.h.

Referenced by decode_nal_units(), and decode_slice().

FF_BUG_XVID_ILACE

#define FF_BUG_XVID_ILACE   4

Definition at line 1347 of file avcodec.h.

Referenced by mpeg4_decode_mb().

FF_BUG_UMP4

#define FF_BUG_UMP4   8

Definition at line 1348 of file avcodec.h.

Referenced by decode_vop_header().

FF_BUG_NO_PADDING

#define FF_BUG_NO_PADDING   16

Definition at line 1349 of file avcodec.h.

Referenced by decode_slice(), and mpeg4_is_resync().

FF_BUG_AMV

#define FF_BUG_AMV   32

Definition at line 1350 of file avcodec.h.

Referenced by get_amv().

FF_BUG_QPEL_CHROMA

#define FF_BUG_QPEL_CHROMA   64

Definition at line 1351 of file avcodec.h.

Referenced by qpel_motion().

FF_BUG_STD_QPEL

#define FF_BUG_STD_QPEL   128

Definition at line 1352 of file avcodec.h.

FF_BUG_QPEL_CHROMA2

#define FF_BUG_QPEL_CHROMA2   256

Definition at line 1353 of file avcodec.h.

Referenced by qpel_motion().

FF_BUG_DIRECT_BLOCKSIZE

#define FF_BUG_DIRECT_BLOCKSIZE   512

Definition at line 1354 of file avcodec.h.

Referenced by ff_mpeg4_set_direct_mv().

FF_BUG_EDGE

#define FF_BUG_EDGE   1024

Definition at line 1355 of file avcodec.h.

Referenced by decode_vop_header().

FF_BUG_HPEL_CHROMA

#define FF_BUG_HPEL_CHROMA   2048

Definition at line 1356 of file avcodec.h.

Referenced by mpeg_motion_internal().

FF_BUG_DC_CLIP

#define FF_BUG_DC_CLIP   4096

Definition at line 1357 of file avcodec.h.

Referenced by mpeg4_get_level_dc().

FF_BUG_MS

#define FF_BUG_MS   8192

Work around various bugs in Microsoft's broken decoders.

Definition at line 1358 of file avcodec.h.

FF_BUG_TRUNCATED

#define FF_BUG_TRUNCATED   16384

Definition at line 1359 of file avcodec.h.

Referenced by decode_slice().

FF_BUG_IEDGE

#define FF_BUG_IEDGE   32768

Definition at line 1360 of file avcodec.h.

Referenced by mpeg_motion_internal(), mpeg_motion_lowres(), and qpel_motion().

FF_BUG_H264_DP_NNZ

#define FF_BUG_H264_DP_NNZ   65536

H.264: JM's nC derivation for partitioned slices.

Definition at line 1361 of file avcodec.h.

Referenced by decode_nal_units(), and fill_decode_caches().

FF_EC_GUESS_MVS

#define FF_EC_GUESS_MVS   1

Definition at line 1384 of file avcodec.h.

Referenced by guess_mv().

FF_EC_DEBLOCK

#define FF_EC_DEBLOCK   2

Definition at line 1385 of file avcodec.h.

Referenced by ff_er_frame_end().

FF_EC_FAVOR_INTER

#define FF_EC_FAVOR_INTER   256

Definition at line 1386 of file avcodec.h.

Referenced by is_intra_more_likely().

FF_DEBUG_PICT_INFO

#define FF_DEBUG_PICT_INFO   1

Definition at line 1394 of file avcodec.h.

Referenced by decode_ext_header(), decode_fill(), decode_frame(), decode_frame(), decode_frame(), decode_ihdr_chunk(), decode_init(), decode_slices(), decode_vol_header(), decode_vop_header(), ff_ffv1_read_extra_header(), ff_flv_decode_picture_header(), ff_h263_show_pict_info(), ff_h264_decode_picture_parameter_set(), ff_h264_decode_seq_parameter_set(), ff_jpegls_decode_lse(), ff_jpegls_decode_picture(), ff_mjpeg_decode_sos(), ff_wmv2_decode_secondary_picture_header(), h264_slice_init(), mjpeg_decode_app(), mjpeg_decode_com(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg_decode_gop(), mpeg_decode_picture_display_extension(), mpeg_decode_sequence_display_extension(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), msmpeg4_decode_picture_header(), parse_avid(), pcm_bluray_parse_header(), pcm_dvd_parse_header(), pcm_dvda_parse_header(), rv10_decode_init(), rv20_decode_picture_header(), svq3_decode_frame(), truemotion1_decode_header(), vc1_decode_frame(), and vp3_decode_frame().

FF_DEBUG_RC

#define FF_DEBUG_RC   2

Definition at line 1395 of file avcodec.h.

Referenced by ff_rate_estimate_qscale(), ff_vbv_update(), and modify_qscale().

FF_DEBUG_BITSTREAM

#define FF_DEBUG_BITSTREAM   4

Definition at line 1396 of file avcodec.h.

Referenced by decode_init(), ff_hevc_decode_nal_sps(), and pcm_bluray_decode_frame().

FF_DEBUG_MB_TYPE

#define FF_DEBUG_MB_TYPE   8

Definition at line 1397 of file avcodec.h.

Referenced by ff_print_debug_info2(), and LLVMFuzzerTestOneInput().

FF_DEBUG_QP

#define FF_DEBUG_QP   16

Definition at line 1398 of file avcodec.h.

Referenced by ff_mjpeg_decode_frame_from_buf(), ff_print_debug_info2(), LLVMFuzzerTestOneInput(), and mjpegb_decode_frame().

FF_DEBUG_DCT_COEFF

#define FF_DEBUG_DCT_COEFF   0x00000040

Definition at line 1399 of file avcodec.h.

Referenced by ff_mpv_reconstruct_mb(), and mpv_reconstruct_mb().

FF_DEBUG_SKIP

#define FF_DEBUG_SKIP   0x00000080

Definition at line 1400 of file avcodec.h.

Referenced by LLVMFuzzerTestOneInput().

FF_DEBUG_STARTCODE

#define FF_DEBUG_STARTCODE   0x00000100

Definition at line 1401 of file avcodec.h.

Referenced by decode_chunks(), decode_extension_payload(), decode_frame_common(), decode_frame_ga(), dvbsub_decode(), ff_mjpeg_decode_frame_from_buf(), ff_mpeg4_parse_picture_header(), and mjpeg_decode_app().

FF_DEBUG_ER

#define FF_DEBUG_ER   0x00000400

Definition at line 1402 of file avcodec.h.

Referenced by ff_er_frame_end().

FF_DEBUG_MMCO

#define FF_DEBUG_MMCO   0x00000800

Definition at line 1403 of file avcodec.h.

Referenced by ff_h264_execute_ref_pic_marking(), find_short(), print_long_term(), print_short_term(), and remove_short().

FF_DEBUG_BUGS

#define FF_DEBUG_BUGS   0x00001000

Definition at line 1404 of file avcodec.h.

FF_DEBUG_BUFFERS

#define FF_DEBUG_BUFFERS   0x00008000

Definition at line 1405 of file avcodec.h.

Referenced by audio_get_buffer(), and video_get_buffer().

FF_DEBUG_THREADS

#define FF_DEBUG_THREADS   0x00010000

Definition at line 1406 of file avcodec.h.

Referenced by init_thread(), and submit_packet().

FF_DEBUG_GREEN_MD

#define FF_DEBUG_GREEN_MD   0x00800000

Definition at line 1407 of file avcodec.h.

Referenced by decode_nal_units().

FF_DEBUG_NOMC

#define FF_DEBUG_NOMC   0x01000000

Definition at line 1408 of file avcodec.h.

Referenced by dsp_init(), and ff_mpv_frame_start().

FF_DCT_AUTO

#define FF_DCT_AUTO   0

Definition at line 1532 of file avcodec.h.

Referenced by check_fdct(), ff_dct_encode_init_x86(), ff_fdctdsp_init_aarch64(), ff_fdctdsp_init_ppc(), and ff_fdctdsp_init_x86().

FF_DCT_FASTINT

#define FF_DCT_FASTINT   1

Definition at line 1533 of file avcodec.h.

Referenced by ff_fdctdsp_init().

FF_DCT_INT

#define FF_DCT_INT   2

Definition at line 1534 of file avcodec.h.

FF_DCT_MMX

#define FF_DCT_MMX   3

Definition at line 1535 of file avcodec.h.

Referenced by ff_dct_encode_init_x86(), and ff_fdctdsp_init_x86().

FF_DCT_ALTIVEC

#define FF_DCT_ALTIVEC   5

Definition at line 1536 of file avcodec.h.

Referenced by ff_fdctdsp_init_ppc().

FF_DCT_FAAN

#define FF_DCT_FAAN   6

Definition at line 1537 of file avcodec.h.

Referenced by ff_fdctdsp_init().

FF_DCT_NEON

#define FF_DCT_NEON   7

Definition at line 1538 of file avcodec.h.

Referenced by ff_fdctdsp_init_aarch64().

FF_IDCT_AUTO

#define FF_IDCT_AUTO   0

Definition at line 1546 of file avcodec.h.

Referenced by ff_idctdsp_init_aarch64(), ff_idctdsp_init_arm(), ff_idctdsp_init_armv5te(), ff_idctdsp_init_armv6(), ff_idctdsp_init_loongarch(), ff_idctdsp_init_mips(), ff_idctdsp_init_neon(), ff_idctdsp_init_ppc(), and ff_idctdsp_init_x86().

FF_IDCT_INT

#define FF_IDCT_INT   1

Definition at line 1547 of file avcodec.h.

Referenced by ff_idctdsp_init().

FF_IDCT_SIMPLE

#define FF_IDCT_SIMPLE   2

Definition at line 1548 of file avcodec.h.

Referenced by decode_init(), ff_idctdsp_init_mips(), and ff_idctdsp_init_x86().

FF_IDCT_SIMPLEMMX

#define FF_IDCT_SIMPLEMMX   3

Definition at line 1549 of file avcodec.h.

Referenced by ff_idctdsp_init_x86().

FF_IDCT_ARM

#define FF_IDCT_ARM   7

Definition at line 1550 of file avcodec.h.

Referenced by ff_idctdsp_init_arm().

FF_IDCT_ALTIVEC

#define FF_IDCT_ALTIVEC   8

Definition at line 1551 of file avcodec.h.

Referenced by ff_idctdsp_init_ppc().

FF_IDCT_SIMPLEARM

#define FF_IDCT_SIMPLEARM   10

Definition at line 1552 of file avcodec.h.

Referenced by ff_idctdsp_init_arm().

FF_IDCT_XVID

#define FF_IDCT_XVID   14

Definition at line 1553 of file avcodec.h.

Referenced by ff_idctdsp_init().

FF_IDCT_SIMPLEARMV5TE

#define FF_IDCT_SIMPLEARMV5TE   16

Definition at line 1554 of file avcodec.h.

Referenced by ff_idctdsp_init_armv5te().

FF_IDCT_SIMPLEARMV6

#define FF_IDCT_SIMPLEARMV6   17

Definition at line 1555 of file avcodec.h.

Referenced by ff_idctdsp_init_armv6().

FF_IDCT_FAAN

#define FF_IDCT_FAAN   20

Definition at line 1556 of file avcodec.h.

Referenced by ff_idctdsp_init().

FF_IDCT_SIMPLENEON

#define FF_IDCT_SIMPLENEON   22

Definition at line 1557 of file avcodec.h.

Referenced by ff_idctdsp_init_aarch64(), and ff_idctdsp_init_neon().

FF_IDCT_SIMPLEAUTO

#define FF_IDCT_SIMPLEAUTO   128

Definition at line 1558 of file avcodec.h.

Referenced by ff_idctdsp_init_aarch64(), ff_idctdsp_init_armv5te(), ff_idctdsp_init_neon(), and ff_idctdsp_init_x86().

FF_THREAD_FRAME

#define FF_THREAD_FRAME   1

Decode more than one frame at once.

Definition at line 1591 of file avcodec.h.

Referenced by amf_init_decoder(), avcodec_flush_buffers(), avcodec_get_hw_frames_parameters(), avcodec_open2(), await_reference_mb_row(), decode_nal_units(), decode_nal_units(), decode_receive_frame_internal(), decode_simple_internal(), decode_slice(), decode_slice(), ff_frame_thread_encoder_init(), ff_h264_field_end(), ff_hevc_hls_filter(), ff_rv34_decode_frame(), ff_thread_can_start_frame(), ff_thread_finish_setup(), ff_thread_free(), ff_thread_get_ext_buffer(), ff_thread_init(), ff_thread_sync_ref(), generate_missing_ref(), h264_init_context(), hevc_await_progress(), hl_motion(), mimic_decode_frame(), mpv_reconstruct_mb_internal(), progress_frame_pool_init_cb(), render_slice(), rv34_decode_mv(), rv34_decode_slice(), rv34_mc(), slice_set_damaged(), temporal_luma_motion_vector(), thread_get_buffer_internal(), validate_thread_parameters(), vp3_decode_frame(), vp3_draw_horiz_band(), vp78_decode_frame(), vp78_decode_mb_row_sliced(), vp9_decode_frame(), and wavpack_decode_block().

FF_THREAD_SLICE

#define FF_THREAD_SLICE   2

Decode more than one part of a single frame at once.

Definition at line 1592 of file avcodec.h.

Referenced by decode_chunks(), decode_frame_header(), decode_slice(), decode_slice(), decode_slice_data(), dnxhd_encode_init(), ff_er_add_slice(), ff_load_image(), ff_mpv_init_context_frame(), ff_thread_init(), h264_decode_init(), h264_init_context(), h264_slice_header_init(), main(), mpeg12_execute_slice_threads(), thread_execute(), update_dimensions(), update_size(), validate_thread_parameters(), vp9_decode_frame(), vp9_decode_init(), and X264_init().

FF_SUB_CHARENC_MODE_DO_NOTHING

#define FF_SUB_CHARENC_MODE_DO_NOTHING   -1

do nothing (demuxer outputs a stream supposed to be already in UTF-8, or the codec is bitmap for instance)

Definition at line 1726 of file avcodec.h.

Referenced by ff_decode_preinit().

FF_SUB_CHARENC_MODE_AUTOMATIC

#define FF_SUB_CHARENC_MODE_AUTOMATIC   0

libavcodec will select the mode itself

Definition at line 1727 of file avcodec.h.

Referenced by ff_decode_preinit().

FF_SUB_CHARENC_MODE_PRE_DECODER

#define FF_SUB_CHARENC_MODE_PRE_DECODER   1

the AVPacket data needs to be recoded to UTF-8 before being fed to the decoder, requires iconv

Definition at line 1728 of file avcodec.h.

Referenced by ff_decode_preinit(), and recode_subtitle().

FF_SUB_CHARENC_MODE_IGNORE

#define FF_SUB_CHARENC_MODE_IGNORE   2

neither convert the subtitles, nor check them for valid UTF-8

Definition at line 1729 of file avcodec.h.

Referenced by avcodec_decode_subtitle2().

AV_PARSER_PTS_NB

#define AV_PARSER_PTS_NB   4

Definition at line 2645 of file avcodec.h.

Referenced by av_parser_parse2(), and ff_fetch_timestamp().

PARSER_FLAG_COMPLETE_FRAMES

#define PARSER_FLAG_COMPLETE_FRAMES   0x0001

Definition at line 2652 of file avcodec.h.

Referenced by amr_parse(), avformat_find_stream_info(), avs2_parse(), avs3_parse(), cavsvideo_parse(), dash_init(), dca_parse(), dirac_parse(), dnxhd_parse(), dnxuc_parse(), ff_aac_ac3_parse(), flac_parse(), ftr_parse(), gif_parse(), h261_parse(), h263_parse(), h264_parse(), hdr_parse(), hevc_parse(), ipu_parse(), jpeg2000_parse(), jpeg_parse(), latm_parse(), lcevc_parse(), misc4_parse(), mlp_parse(), mpeg4video_parse(), mpegaudio_parse(), mpegvideo_parse(), old_flac_header(), opus_parse(), parse(), parse_packet(), qoi_parse(), read_frame_internal(), sbc_parse(), tak_parse(), vc1_parse(), vvc_parser_parse(), and xwd_parse().

PARSER_FLAG_ONCE

#define PARSER_FLAG_ONCE   0x0002

Definition at line 2653 of file avcodec.h.

Referenced by h264_parse(), and read_frame_internal().

PARSER_FLAG_FETCHED_OFFSET

#define PARSER_FLAG_FETCHED_OFFSET   0x0004

Set if the parser has a valid file offset.

Definition at line 2655 of file avcodec.h.

Referenced by av_parser_parse2().

PARSER_FLAG_USE_CODEC_TS

#define PARSER_FLAG_USE_CODEC_TS   0x1000

Definition at line 2656 of file avcodec.h.

Referenced by avformat_find_stream_info(), flac_parse(), flac_read_timestamp(), get_best_header(), mpeg4_decode_header(), and read_frame_internal().