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avcodec.h File Reference
libavcodec

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"`
`#include "version.h"`
`#include "codec_desc.h"`
`#include "codec_par.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_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_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_parameters_from_context (struct AVCodecParameters *par, const AVCodecContext *codec)
| Fill the parameters struct based on the values from the supplied codec context.
int | avcodec_parameters_to_context (AVCodecContext *codec, const struct AVCodecParameters *par)
| Fill the codec context based on the values from the supplied codec parameters.
int | avcodec_open2 (AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
| Initialize the AVCodecContext to use the given AVCodec.
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 713 of file avcodec.h.

## SLICE_FLAG_ALLOW_FIELD

#define SLICE_FLAG_ALLOW_FIELD 0x0002

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

Definition at line 714 of file avcodec.h.

## SLICE_FLAG_ALLOW_PLANE

#define SLICE_FLAG_ALLOW_PLANE 0x0004

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

Definition at line 715 of file avcodec.h.

## FF_CMP_SAD

#define FF_CMP_SAD 0

Definition at line 877 of file avcodec.h.

## FF_CMP_SSE

#define FF_CMP_SSE 1

Definition at line 878 of file avcodec.h.

## FF_CMP_SATD

#define FF_CMP_SATD 2

Definition at line 879 of file avcodec.h.

## FF_CMP_DCT

#define FF_CMP_DCT 3

Definition at line 880 of file avcodec.h.

## FF_CMP_PSNR

#define FF_CMP_PSNR 4

Definition at line 881 of file avcodec.h.

## FF_CMP_BIT

#define FF_CMP_BIT 5

Definition at line 882 of file avcodec.h.

## FF_CMP_RD

#define FF_CMP_RD 6

Definition at line 883 of file avcodec.h.

## FF_CMP_ZERO

#define FF_CMP_ZERO 7

Definition at line 884 of file avcodec.h.

## FF_CMP_VSAD

#define FF_CMP_VSAD 8

Definition at line 885 of file avcodec.h.

## FF_CMP_VSSE

#define FF_CMP_VSSE 9

Definition at line 886 of file avcodec.h.

## FF_CMP_NSSE

#define FF_CMP_NSSE 10

Definition at line 887 of file avcodec.h.

## FF_CMP_W53

#define FF_CMP_W53 11

Definition at line 888 of file avcodec.h.

## FF_CMP_W97

#define FF_CMP_W97 12

Definition at line 889 of file avcodec.h.

## FF_CMP_DCTMAX

#define FF_CMP_DCTMAX 13

Definition at line 890 of file avcodec.h.

## FF_CMP_DCT264

#define FF_CMP_DCT264 14

Definition at line 891 of file avcodec.h.

## FF_CMP_MEDIAN_SAD

#define FF_CMP_MEDIAN_SAD 15

Definition at line 892 of file avcodec.h.

## FF_CMP_CHROMA

#define FF_CMP_CHROMA 256

Definition at line 893 of file avcodec.h.

## FF_MB_DECISION_SIMPLE

#define FF_MB_DECISION_SIMPLE 0

uses mb_cmp

Definition at line 945 of file avcodec.h.

## FF_MB_DECISION_BITS

#define FF_MB_DECISION_BITS 1

chooses the one which needs the fewest bits

Definition at line 946 of file avcodec.h.

## FF_MB_DECISION_RD

#define FF_MB_DECISION_RD 2

rate distortion

Definition at line 947 of file avcodec.h.

## FF_COMPRESSION_DEFAULT

#define FF_COMPRESSION_DEFAULT -1

Definition at line 1236 of file avcodec.h.

## FF_BUG_AUTODETECT

#define FF_BUG_AUTODETECT 1

autodetection

Definition at line 1340 of file avcodec.h.

## FF_BUG_XVID_ILACE

#define FF_BUG_XVID_ILACE 4

Definition at line 1341 of file avcodec.h.

## FF_BUG_UMP4

#define FF_BUG_UMP4 8

Definition at line 1342 of file avcodec.h.

## FF_BUG_NO_PADDING

#define FF_BUG_NO_PADDING 16

Definition at line 1343 of file avcodec.h.

## FF_BUG_AMV

#define FF_BUG_AMV 32

Definition at line 1344 of file avcodec.h.

## FF_BUG_QPEL_CHROMA

#define FF_BUG_QPEL_CHROMA 64

Definition at line 1345 of file avcodec.h.

## FF_BUG_STD_QPEL

#define FF_BUG_STD_QPEL 128

Definition at line 1346 of file avcodec.h.

## FF_BUG_QPEL_CHROMA2

#define FF_BUG_QPEL_CHROMA2 256

Definition at line 1347 of file avcodec.h.

## FF_BUG_DIRECT_BLOCKSIZE

#define FF_BUG_DIRECT_BLOCKSIZE 512

Definition at line 1348 of file avcodec.h.

## FF_BUG_EDGE

#define FF_BUG_EDGE 1024

Definition at line 1349 of file avcodec.h.

## FF_BUG_HPEL_CHROMA

#define FF_BUG_HPEL_CHROMA 2048

Definition at line 1350 of file avcodec.h.

## FF_BUG_DC_CLIP

#define FF_BUG_DC_CLIP 4096

Definition at line 1351 of file avcodec.h.

## FF_BUG_MS

#define FF_BUG_MS 8192

Work around various bugs in Microsoft's broken decoders.

Definition at line 1352 of file avcodec.h.

## FF_BUG_TRUNCATED

#define FF_BUG_TRUNCATED 16384

Definition at line 1353 of file avcodec.h.

## FF_BUG_IEDGE

#define FF_BUG_IEDGE 32768

Definition at line 1354 of file avcodec.h.

## FF_EC_GUESS_MVS

#define FF_EC_GUESS_MVS 1

Definition at line 1377 of file avcodec.h.

## FF_EC_DEBLOCK

#define FF_EC_DEBLOCK 2

Definition at line 1378 of file avcodec.h.

## FF_EC_FAVOR_INTER

#define FF_EC_FAVOR_INTER 256

Definition at line 1379 of file avcodec.h.

## FF_DEBUG_PICT_INFO

#define FF_DEBUG_PICT_INFO 1

Definition at line 1387 of file avcodec.h.

## FF_DEBUG_RC

#define FF_DEBUG_RC 2

Definition at line 1388 of file avcodec.h.

## FF_DEBUG_BITSTREAM

#define FF_DEBUG_BITSTREAM 4

Definition at line 1389 of file avcodec.h.

## FF_DEBUG_MB_TYPE

#define FF_DEBUG_MB_TYPE 8

Definition at line 1390 of file avcodec.h.

## FF_DEBUG_QP

#define FF_DEBUG_QP 16

Definition at line 1391 of file avcodec.h.

## FF_DEBUG_DCT_COEFF

#define FF_DEBUG_DCT_COEFF 0x00000040

Definition at line 1392 of file avcodec.h.

## FF_DEBUG_SKIP

#define FF_DEBUG_SKIP 0x00000080

Definition at line 1393 of file avcodec.h.

## FF_DEBUG_STARTCODE

#define FF_DEBUG_STARTCODE 0x00000100

Definition at line 1394 of file avcodec.h.

## FF_DEBUG_ER

#define FF_DEBUG_ER 0x00000400

Definition at line 1395 of file avcodec.h.

## FF_DEBUG_MMCO

#define FF_DEBUG_MMCO 0x00000800

Definition at line 1396 of file avcodec.h.

## FF_DEBUG_BUGS

#define FF_DEBUG_BUGS 0x00001000

Definition at line 1397 of file avcodec.h.

## FF_DEBUG_BUFFERS

#define FF_DEBUG_BUFFERS 0x00008000

Definition at line 1398 of file avcodec.h.

## FF_DEBUG_THREADS

#define FF_DEBUG_THREADS 0x00010000

Definition at line 1399 of file avcodec.h.

## FF_DEBUG_GREEN_MD

#define FF_DEBUG_GREEN_MD 0x00800000

Definition at line 1400 of file avcodec.h.

## FF_DEBUG_NOMC

#define FF_DEBUG_NOMC 0x01000000

Definition at line 1401 of file avcodec.h.

## FF_DCT_AUTO

#define FF_DCT_AUTO 0

Definition at line 1525 of file avcodec.h.

## FF_DCT_FASTINT

#define FF_DCT_FASTINT 1

Definition at line 1526 of file avcodec.h.

## FF_DCT_INT

#define FF_DCT_INT 2

Definition at line 1527 of file avcodec.h.

## FF_DCT_MMX

#define FF_DCT_MMX 3

Definition at line 1528 of file avcodec.h.

## FF_DCT_ALTIVEC

#define FF_DCT_ALTIVEC 5

Definition at line 1529 of file avcodec.h.

## FF_DCT_FAAN

#define FF_DCT_FAAN 6

Definition at line 1530 of file avcodec.h.

## FF_DCT_NEON

#define FF_DCT_NEON 7

Definition at line 1531 of file avcodec.h.

## FF_IDCT_AUTO

#define FF_IDCT_AUTO 0

Definition at line 1539 of file avcodec.h.

## FF_IDCT_INT

#define FF_IDCT_INT 1

Definition at line 1540 of file avcodec.h.

## FF_IDCT_SIMPLE

#define FF_IDCT_SIMPLE 2

Definition at line 1541 of file avcodec.h.

## FF_IDCT_SIMPLEMMX

#define FF_IDCT_SIMPLEMMX 3

Definition at line 1542 of file avcodec.h.

## FF_IDCT_ARM

#define FF_IDCT_ARM 7

Definition at line 1543 of file avcodec.h.

## FF_IDCT_ALTIVEC

#define FF_IDCT_ALTIVEC 8

Definition at line 1544 of file avcodec.h.

## FF_IDCT_SIMPLEARM

#define FF_IDCT_SIMPLEARM 10

Definition at line 1545 of file avcodec.h.

## FF_IDCT_XVID

#define FF_IDCT_XVID 14

Definition at line 1546 of file avcodec.h.

## FF_IDCT_SIMPLEARMV5TE

#define FF_IDCT_SIMPLEARMV5TE 16

Definition at line 1547 of file avcodec.h.

## FF_IDCT_SIMPLEARMV6

#define FF_IDCT_SIMPLEARMV6 17

Definition at line 1548 of file avcodec.h.

## FF_IDCT_FAAN

#define FF_IDCT_FAAN 20

Definition at line 1549 of file avcodec.h.

## FF_IDCT_SIMPLENEON

#define FF_IDCT_SIMPLENEON 22

Definition at line 1550 of file avcodec.h.

## FF_IDCT_SIMPLEAUTO

#define FF_IDCT_SIMPLEAUTO 128

Definition at line 1551 of file avcodec.h.

## FF_THREAD_FRAME

#define FF_THREAD_FRAME 1

Decode more than one frame at once.

Definition at line 1584 of file avcodec.h.

## FF_THREAD_SLICE

#define FF_THREAD_SLICE 2

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

Definition at line 1585 of file avcodec.h.

## 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 1732 of file avcodec.h.

## FF_SUB_CHARENC_MODE_AUTOMATIC

#define FF_SUB_CHARENC_MODE_AUTOMATIC 0

libavcodec will select the mode itself

Definition at line 1733 of file avcodec.h.

## 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 1734 of file avcodec.h.

## 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 1735 of file avcodec.h.

## AV_PARSER_PTS_NB

#define AV_PARSER_PTS_NB 4

Definition at line 2620 of file avcodec.h.

## PARSER_FLAG_COMPLETE_FRAMES

#define PARSER_FLAG_COMPLETE_FRAMES 0x0001

Definition at line 2627 of file avcodec.h.

## PARSER_FLAG_ONCE

#define PARSER_FLAG_ONCE 0x0002

Definition at line 2628 of file avcodec.h.

## PARSER_FLAG_FETCHED_OFFSET

#define PARSER_FLAG_FETCHED_OFFSET 0x0004

Set if the parser has a valid file offset.

Definition at line 2630 of file avcodec.h.

## PARSER_FLAG_USE_CODEC_TS

#define PARSER_FLAG_USE_CODEC_TS 0x1000

Definition at line 2631 of file avcodec.h.