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FFmpeg
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Basic definitions, functions for querying libavcodec capabilities, allocating core structures, etc. More...
Modules | |
| AVHWAccel | |
| AVPicture | |
| Functions for working with AVPicture. | |
Data Structures | |
| struct | RcOverride |
| struct | AVPanScan |
| Pan Scan area. More... | |
| struct | AVCPBProperties |
| This structure describes the bitrate properties of an encoded bitstream. More... | |
| struct | AVProducerReferenceTime |
| This structure supplies correlation between a packet timestamp and a wall clock production time. More... | |
| struct | AVCodecContext |
| main external API structure. More... | |
| struct | AVSubtitleRect |
| struct | AVSubtitle |
| struct | AVBSFContext |
| The bitstream filter state. More... | |
| struct | AVBitStreamFilter |
| struct | AVProfile |
| AVProfile. More... | |
| struct | AVCodec |
| AVCodec. More... | |
| struct | AVCodecHWConfig |
| struct | AVCodecDescriptor |
| This struct describes the properties of a single codec described by an AVCodecID. More... | |
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. More... | |
| #define | AV_CODEC_FLAG_QSCALE (1 << 1) |
| Use fixed qscale. More... | |
| #define | AV_CODEC_FLAG_4MV (1 << 2) |
| 4 MV per MB allowed / advanced prediction for H.263. More... | |
| #define | AV_CODEC_FLAG_OUTPUT_CORRUPT (1 << 3) |
| Output even those frames that might be corrupted. More... | |
| #define | AV_CODEC_FLAG_QPEL (1 << 4) |
| Use qpel MC. More... | |
| #define | AV_CODEC_FLAG_DROPCHANGED (1 << 5) |
| Don't output frames whose parameters differ from first decoded frame in stream. More... | |
| #define | AV_CODEC_FLAG_PASS1 (1 << 9) |
| Use internal 2pass ratecontrol in first pass mode. More... | |
| #define | AV_CODEC_FLAG_PASS2 (1 << 10) |
| Use internal 2pass ratecontrol in second pass mode. More... | |
| #define | AV_CODEC_FLAG_LOOP_FILTER (1 << 11) |
| loop filter. More... | |
| #define | AV_CODEC_FLAG_GRAY (1 << 13) |
| Only decode/encode grayscale. More... | |
| #define | AV_CODEC_FLAG_PSNR (1 << 15) |
| error[?] variables will be set during encoding. More... | |
| #define | AV_CODEC_FLAG_TRUNCATED (1 << 16) |
| Input bitstream might be truncated at a random location instead of only at frame boundaries. More... | |
| #define | AV_CODEC_FLAG_INTERLACED_DCT (1 << 18) |
| Use interlaced DCT. More... | |
| #define | AV_CODEC_FLAG_LOW_DELAY (1 << 19) |
| Force low delay. More... | |
| #define | AV_CODEC_FLAG_GLOBAL_HEADER (1 << 22) |
| Place global headers in extradata instead of every keyframe. More... | |
| #define | AV_CODEC_FLAG_BITEXACT (1 << 23) |
| Use only bitexact stuff (except (I)DCT). More... | |
| #define | AV_CODEC_FLAG_AC_PRED (1 << 24) |
| H.263 advanced intra coding / MPEG-4 AC prediction. More... | |
| #define | AV_CODEC_FLAG_INTERLACED_ME (1 << 29) |
| interlaced motion estimation More... | |
| #define | AV_CODEC_FLAG_CLOSED_GOP (1U << 31) |
| #define | AV_CODEC_FLAG2_FAST (1 << 0) |
| Allow non spec compliant speedup tricks. More... | |
| #define | AV_CODEC_FLAG2_NO_OUTPUT (1 << 2) |
| Skip bitstream encoding. More... | |
| #define | AV_CODEC_FLAG2_LOCAL_HEADER (1 << 3) |
| Place global headers at every keyframe instead of in extradata. More... | |
| #define | AV_CODEC_FLAG2_DROP_FRAME_TIMECODE (1 << 13) |
| timecode is in drop frame format. More... | |
| #define | AV_CODEC_FLAG2_CHUNKS (1 << 15) |
| Input bitstream might be truncated at a packet boundaries instead of only at frame boundaries. More... | |
| #define | AV_CODEC_FLAG2_IGNORE_CROP (1 << 16) |
| Discard cropping information from SPS. More... | |
| #define | AV_CODEC_FLAG2_SHOW_ALL (1 << 22) |
| Show all frames before the first keyframe. More... | |
| #define | AV_CODEC_FLAG2_EXPORT_MVS (1 << 28) |
| Export motion vectors through frame side data. More... | |
| #define | AV_CODEC_FLAG2_SKIP_MANUAL (1 << 29) |
| Do not skip samples and export skip information as frame side data. More... | |
| #define | AV_CODEC_FLAG2_RO_FLUSH_NOOP (1 << 30) |
| Do not reset ASS ReadOrder field on flush (subtitles decoding) More... | |
| #define | AV_CODEC_EXPORT_DATA_MVS (1 << 0) |
| Export motion vectors through frame side data. More... | |
| #define | AV_CODEC_EXPORT_DATA_PRFT (1 << 1) |
| Export encoder Producer Reference Time through packet side data. More... | |
| #define | AV_CODEC_EXPORT_DATA_VIDEO_ENC_PARAMS (1 << 2) |
| Decoding only. More... | |
| #define | AV_CODEC_EXPORT_DATA_FILM_GRAIN (1 << 3) |
| Decoding only. More... | |
| #define | AV_GET_BUFFER_FLAG_REF (1 << 0) |
| The decoder will keep a reference to the frame and may reuse it later. More... | |
| #define | AV_SUBTITLE_FLAG_FORCED 0x00000001 |
| #define | AV_CODEC_CAP_DRAW_HORIZ_BAND (1 << 0) |
| Decoder can use draw_horiz_band callback. More... | |
| #define | AV_CODEC_CAP_DR1 (1 << 1) |
| Codec uses get_buffer() for allocating buffers and supports custom allocators. More... | |
| #define | AV_CODEC_CAP_TRUNCATED (1 << 3) |
| #define | AV_CODEC_CAP_DELAY (1 << 5) |
| Encoder or decoder requires flushing with NULL input at the end in order to give the complete and correct output. More... | |
| #define | AV_CODEC_CAP_SMALL_LAST_FRAME (1 << 6) |
| Codec can be fed a final frame with a smaller size. More... | |
| #define | AV_CODEC_CAP_SUBFRAMES (1 << 8) |
| Codec can output multiple frames per AVPacket Normally demuxers return one frame at a time, demuxers which do not do are connected to a parser to split what they return into proper frames. More... | |
| #define | AV_CODEC_CAP_EXPERIMENTAL (1 << 9) |
| Codec is experimental and is thus avoided in favor of non experimental encoders. More... | |
| #define | AV_CODEC_CAP_CHANNEL_CONF (1 << 10) |
| Codec should fill in channel configuration and samplerate instead of container. More... | |
| #define | AV_CODEC_CAP_FRAME_THREADS (1 << 12) |
| Codec supports frame-level multithreading. More... | |
| #define | AV_CODEC_CAP_SLICE_THREADS (1 << 13) |
| Codec supports slice-based (or partition-based) multithreading. More... | |
| #define | AV_CODEC_CAP_PARAM_CHANGE (1 << 14) |
| Codec supports changed parameters at any point. More... | |
| #define | AV_CODEC_CAP_AUTO_THREADS (1 << 15) |
| Codec supports avctx->thread_count == 0 (auto). More... | |
| #define | AV_CODEC_CAP_VARIABLE_FRAME_SIZE (1 << 16) |
| Audio encoder supports receiving a different number of samples in each call. More... | |
| #define | AV_CODEC_CAP_AVOID_PROBING (1 << 17) |
| Decoder is not a preferred choice for probing. More... | |
| #define | AV_CODEC_CAP_HARDWARE (1 << 18) |
| Codec is backed by a hardware implementation. More... | |
| #define | AV_CODEC_CAP_HYBRID (1 << 19) |
| Codec is potentially backed by a hardware implementation, but not necessarily. More... | |
| #define | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE (1 << 20) |
| This codec takes the reordered_opaque field from input AVFrames and returns it in the corresponding field in AVCodecContext after encoding. More... | |
| #define | AV_CODEC_CAP_ENCODER_FLUSH (1 << 21) |
| This encoder can be flushed using avcodec_flush_buffers(). More... | |
| #define | AV_CODEC_PROP_INTRA_ONLY (1 << 0) |
| Codec uses only intra compression. More... | |
| #define | AV_CODEC_PROP_LOSSY (1 << 1) |
| Codec supports lossy compression. More... | |
| #define | AV_CODEC_PROP_LOSSLESS (1 << 2) |
| Codec supports lossless compression. More... | |
| #define | AV_CODEC_PROP_REORDER (1 << 3) |
| Codec supports frame reordering. More... | |
| #define | AV_CODEC_PROP_BITMAP_SUB (1 << 16) |
| Subtitle codec is bitmap based Decoded AVSubtitle data can be read from the AVSubtitleRect->pict field. More... | |
| #define | AV_CODEC_PROP_TEXT_SUB (1 << 17) |
| Subtitle codec is text based. More... | |
Functions | |
| attribute_deprecated AVRational | av_codec_get_pkt_timebase (const AVCodecContext *avctx) |
| Accessors for some AVCodecContext fields. More... | |
| attribute_deprecated void | av_codec_set_pkt_timebase (AVCodecContext *avctx, AVRational val) |
| attribute_deprecated const AVCodecDescriptor * | av_codec_get_codec_descriptor (const AVCodecContext *avctx) |
| attribute_deprecated void | av_codec_set_codec_descriptor (AVCodecContext *avctx, const AVCodecDescriptor *desc) |
| attribute_deprecated unsigned | av_codec_get_codec_properties (const AVCodecContext *avctx) |
| attribute_deprecated int | av_codec_get_lowres (const AVCodecContext *avctx) |
| attribute_deprecated void | av_codec_set_lowres (AVCodecContext *avctx, int val) |
| attribute_deprecated int | av_codec_get_seek_preroll (const AVCodecContext *avctx) |
| attribute_deprecated void | av_codec_set_seek_preroll (AVCodecContext *avctx, int val) |
| attribute_deprecated uint16_t * | av_codec_get_chroma_intra_matrix (const AVCodecContext *avctx) |
| attribute_deprecated void | av_codec_set_chroma_intra_matrix (AVCodecContext *avctx, uint16_t *val) |
| attribute_deprecated int | av_codec_get_max_lowres (const AVCodec *codec) |
| attribute_deprecated AVCodec * | av_codec_next (const AVCodec *c) |
| If c is NULL, returns the first registered codec, if c is non-NULL, returns the next registered codec after c, or NULL if c is the last one. More... | |
| unsigned | avcodec_version (void) |
| Return the LIBAVCODEC_VERSION_INT constant. More... | |
| const char * | avcodec_configuration (void) |
| Return the libavcodec build-time configuration. More... | |
| const char * | avcodec_license (void) |
| Return the libavcodec license. More... | |
| attribute_deprecated void | avcodec_register (AVCodec *codec) |
| Register the codec codec and initialize libavcodec. More... | |
| attribute_deprecated void | avcodec_register_all (void) |
| Register all the codecs, parsers and bitstream filters which were enabled at configuration time. More... | |
| AVCodecContext * | avcodec_alloc_context3 (const AVCodec *codec) |
| Allocate an AVCodecContext and set its fields to default values. More... | |
| void | avcodec_free_context (AVCodecContext **avctx) |
| Free the codec context and everything associated with it and write NULL to the provided pointer. More... | |
| int | avcodec_get_context_defaults3 (AVCodecContext *s, const AVCodec *codec) |
| const AVClass * | avcodec_get_class (void) |
| Get the AVClass for AVCodecContext. More... | |
| attribute_deprecated const AVClass * | avcodec_get_frame_class (void) |
| const AVClass * | avcodec_get_subtitle_rect_class (void) |
| Get the AVClass for AVSubtitleRect. More... | |
| attribute_deprecated int | avcodec_copy_context (AVCodecContext *dest, const AVCodecContext *src) |
| Copy the settings of the source AVCodecContext into the destination AVCodecContext. More... | |
| int | avcodec_parameters_from_context (AVCodecParameters *par, const AVCodecContext *codec) |
| Fill the parameters struct based on the values from the supplied codec context. More... | |
| int | avcodec_parameters_to_context (AVCodecContext *codec, const AVCodecParameters *par) |
| Fill the codec context based on the values from the supplied codec parameters. More... | |
| int | avcodec_open2 (AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options) |
| Initialize the AVCodecContext to use the given AVCodec. More... | |
| int | avcodec_close (AVCodecContext *avctx) |
| Close a given AVCodecContext and free all the data associated with it (but not the AVCodecContext itself). More... | |
| void | avsubtitle_free (AVSubtitle *sub) |
| Free all allocated data in the given subtitle struct. More... | |
| const AVBitStreamFilter * | av_bsf_get_by_name (const char *name) |
| const AVBitStreamFilter * | av_bsf_iterate (void **opaque) |
| Iterate over all registered bitstream filters. More... | |
| int | av_bsf_alloc (const AVBitStreamFilter *filter, AVBSFContext **ctx) |
| Allocate a context for a given bitstream filter. More... | |
| int | av_bsf_init (AVBSFContext *ctx) |
| Prepare the filter for use, after all the parameters and options have been set. More... | |
| int | av_bsf_send_packet (AVBSFContext *ctx, AVPacket *pkt) |
| Submit a packet for filtering. More... | |
| int | av_bsf_receive_packet (AVBSFContext *ctx, AVPacket *pkt) |
| Retrieve a filtered packet. More... | |
| void | av_bsf_flush (AVBSFContext *ctx) |
| Reset the internal bitstream filter state. More... | |
| void | av_bsf_free (AVBSFContext **ctx) |
| Free a bitstream filter context and everything associated with it; write NULL into the supplied pointer. More... | |
| const AVClass * | av_bsf_get_class (void) |
| Get the AVClass for AVBSFContext. More... | |
| AVBSFList * | av_bsf_list_alloc (void) |
| Allocate empty list of bitstream filters. More... | |
| void | av_bsf_list_free (AVBSFList **lst) |
| Free list of bitstream filters. More... | |
| int | av_bsf_list_append (AVBSFList *lst, AVBSFContext *bsf) |
| Append bitstream filter to the list of bitstream filters. More... | |
| int | av_bsf_list_append2 (AVBSFList *lst, const char *bsf_name, AVDictionary **options) |
| Construct new bitstream filter context given it's name and options and append it to the list of bitstream filters. More... | |
| int | av_bsf_list_finalize (AVBSFList **lst, AVBSFContext **bsf) |
| Finalize list of bitstream filters. More... | |
| int | av_bsf_list_parse_str (const char *str, AVBSFContext **bsf) |
| Parse string describing list of bitstream filters and create single AVBSFContext describing the whole chain of bitstream filters. More... | |
| int | av_bsf_get_null_filter (AVBSFContext **bsf) |
| Get null/pass-through bitstream filter. More... | |
| const AVCodec * | av_codec_iterate (void **opaque) |
| Iterate over all registered codecs. More... | |
| AVCodec * | avcodec_find_decoder (enum AVCodecID id) |
| Find a registered decoder with a matching codec ID. More... | |
| AVCodec * | avcodec_find_decoder_by_name (const char *name) |
| Find a registered decoder with the specified name. More... | |
| AVCodec * | avcodec_find_encoder (enum AVCodecID id) |
| Find a registered encoder with a matching codec ID. More... | |
| AVCodec * | avcodec_find_encoder_by_name (const char *name) |
| Find a registered encoder with the specified name. More... | |
| int | av_codec_is_encoder (const AVCodec *codec) |
| int | av_codec_is_decoder (const AVCodec *codec) |
| const AVCodecHWConfig * | avcodec_get_hw_config (const AVCodec *codec, int index) |
| Retrieve supported hardware configurations for a codec. More... | |
| const AVCodecDescriptor * | avcodec_descriptor_get (enum AVCodecID id) |
| const AVCodecDescriptor * | avcodec_descriptor_next (const AVCodecDescriptor *prev) |
| Iterate over all codec descriptors known to libavcodec. More... | |
| const AVCodecDescriptor * | avcodec_descriptor_get_by_name (const char *name) |
| enum AVMediaType | avcodec_get_type (enum AVCodecID codec_id) |
| Get the type of the given codec. More... | |
| const char * | avcodec_get_name (enum AVCodecID id) |
| Get the name of a codec. More... | |
Basic definitions, functions for querying libavcodec capabilities, allocating core structures, etc.
| #define AV_CODEC_FLAG_UNALIGNED (1 << 0) |
Allow decoders to produce frames with data planes that are not aligned to CPU requirements (e.g.
due to cropping).
Definition at line 271 of file avcodec.h.
Referenced by apply_cropping().
| #define AV_CODEC_FLAG_QSCALE (1 << 1) |
Use fixed qscale.
Definition at line 275 of file avcodec.h.
Referenced by aac_encode_frame(), aac_encode_init(), config_input(), config_props(), encode_frame(), encode_init(), encode_picture(), estimate_best_b_count(), ff_frame_thread_encoder_init(), ff_mpv_encode_init(), ffat_init_encoder(), lame_window_init(), libvorbis_setup(), mark_pns(), mp3lame_encode_init(), new_output_stream(), psy_3gpp_init(), search_for_pns(), search_for_quantizers_twoloop(), select_rc_mode(), twolame_encode_init(), vaapi_encode_init_rate_control(), vorbis_encode_init(), and xvid_encode_init().
| #define AV_CODEC_FLAG_4MV (1 << 2) |
4 MV per MB allowed / advanced prediction for H.263.
Definition at line 279 of file avcodec.h.
Referenced by config_props(), encode_init(), ff_estimate_p_frame_motion(), ff_fix_long_p_mvs(), ff_mpv_encode_init(), and xvid_encode_init().
| #define AV_CODEC_FLAG_OUTPUT_CORRUPT (1 << 3) |
Output even those frames that might be corrupted.
Definition at line 283 of file avcodec.h.
Referenced by finalize_frame(), and h264_select_output_frame().
| #define AV_CODEC_FLAG_QPEL (1 << 4) |
Use qpel MC.
Definition at line 287 of file avcodec.h.
Referenced by config_props(), encode_frame(), encode_init(), encode_q_branch(), estimate_best_b_count(), ff_init_me(), ff_mpv_encode_init(), get_flags(), v4l2_prepare_encoder(), and xvid_encode_init().
| #define AV_CODEC_FLAG_DROPCHANGED (1 << 5) |
Don't output frames whose parameters differ from first decoded frame in stream.
Definition at line 292 of file avcodec.h.
Referenced by avcodec_receive_frame().
| #define AV_CODEC_FLAG_PASS1 (1 << 9) |
Use internal 2pass ratecontrol in first pass mode.
Definition at line 296 of file avcodec.h.
Referenced by aom_encode(), aom_init(), avcodec_string(), encode_422_bitstream(), encode_bgra_bitstream(), encode_frame(), encode_gray_bitstream(), encode_init(), encode_line_TMPL(), encode_plane_bitstream(), encode_receive_packet_internal(), encode_thread(), ff_frame_thread_encoder_init(), ff_h263_encode_mb(), ff_mpeg4_encode_mb(), ff_mpv_encode_picture(), librav1e_encode_init(), librav1e_receive_packet(), new_video_stream(), print_final_stats(), vpx_encode(), vpx_free(), vpx_init(), write_slice_end(), X264_init(), XAVS_init(), and xvid_encode_init().
| #define AV_CODEC_FLAG_PASS2 (1 << 10) |
Use internal 2pass ratecontrol in second pass mode.
Definition at line 300 of file avcodec.h.
Referenced by aom_init(), avcodec_string(), encode_frame(), encode_init(), encode_picture(), ff_mpv_encode_init(), ff_rate_control_init(), ff_rate_estimate_qscale(), librav1e_encode_init(), librav1e_receive_packet(), new_video_stream(), print_final_stats(), select_input_picture(), vpx_init(), X264_init(), XAVS_init(), and xvid_encode_init().
| #define AV_CODEC_FLAG_LOOP_FILTER (1 << 11) |
loop filter.
Definition at line 304 of file avcodec.h.
Referenced by amf_encode_init_h264(), amf_encode_init_hevc(), ff_mpv_encode_init(), and X264_init().
| #define AV_CODEC_FLAG_GRAY (1 << 13) |
Only decode/encode grayscale.
Definition at line 308 of file avcodec.h.
Referenced by alloc_picture(), apply_8x8(), apply_obmc(), avcodec_open2(), backup_mb_border(), comp_block(), dct_get(), decode_slice(), decode_slice_thread(), dnxhd_decode_macroblock(), encode_mb_internal(), encode_slice_data(), ff_h264_filter_mb(), ff_mspel_motion(), ff_vc1_b_intfi_loop_filter(), ff_vc1_i_loop_filter(), ff_vc1_i_overlap_filter(), ff_vc1_interp_mc(), ff_vc1_mc_1mv(), ff_vc1_mc_4mv_chroma(), ff_vc1_mc_4mv_chroma4(), ff_vc1_p_intfr_loop_filter(), ff_vc1_p_loop_filter(), ff_vc1_p_overlap_filter(), ff_wmv2_add_mb(), ff_xvmc_decode_mb(), gmc1_motion(), gmc_motion(), h263_get_format(), h264_filter_mb_fast_internal(), hl_decode_mb(), hl_decode_mb_444(), idct_put(), mc_dir_part(), mc_part_weighted(), mpeg_get_pixelformat(), mpeg_motion_internal(), mpeg_motion_lowres(), MPV_motion_lowres(), mpv_reconstruct_mb_internal(), pixlet_decode_frame(), qpel_motion(), render_slice(), svq1_decode_frame(), svq3_mc_dir_part(), tgq_idct_put_mb(), tgq_idct_put_mb_dconly(), tqi_idct_put(), unpack_dct_coeffs(), vble_decode_frame(), vc1_decode_b_mb(), vc1_decode_b_mb_intfi(), vc1_decode_b_mb_intfr(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_init(), vc1_decode_p_mb(), vc1_decode_p_mb_intfi(), vc1_decode_p_mb_intfr(), vc1_put_blocks_clamped(), xchg_mb_border(), and xvid_encode_init().
| #define AV_CODEC_FLAG_PSNR (1 << 15) |
error[?] variables will be set during encoding.
Definition at line 312 of file avcodec.h.
Referenced by aom_init(), do_video_stats(), encode_frame(), encode_thread(), estimate_best_b_count(), ff_mpv_encode_picture(), libx265_encode_init(), mpv_reconstruct_mb_internal(), new_video_stream(), print_report(), vpx_init(), X264_init(), and XAVS_init().
| #define AV_CODEC_FLAG_TRUNCATED (1 << 16) |
Input bitstream might be truncated at a random location instead of only at frame boundaries.
Definition at line 317 of file avcodec.h.
Referenced by decode_simple_internal(), ff_h263_decode_frame(), get_consumed_bytes(), mpeg_decode_frame(), and validate_thread_parameters().
| #define AV_CODEC_FLAG_INTERLACED_DCT (1 << 18) |
Use interlaced DCT.
Definition at line 321 of file avcodec.h.
Referenced by dnxhd_encode_init(), dv_guess_dct_mode(), encode_frame(), encode_init(), encode_mb_internal(), ff_dnxhd_find_cid(), ff_mpv_encode_init(), init_output_stream_encode(), init_video_param(), nvenc_check_capabilities(), nvenc_send_frame(), nvenc_setup_encoder(), png_enc_init(), prores_encode_init(), X264_init(), and XAVS_init().
| #define AV_CODEC_FLAG_LOW_DELAY (1 << 19) |
Force low delay.
Definition at line 325 of file avcodec.h.
Referenced by config_input(), config_props(), cuvid_decode_init(), decode_vop_header(), ff_mpeg4_decode_picture_header(), ff_mpv_encode_init(), mpeg1_decode_sequence(), mpeg_decode_sequence_extension(), validate_thread_parameters(), and vc1_decode_frame().
| #define AV_CODEC_FLAG_GLOBAL_HEADER (1 << 22) |
Place global headers in extradata instead of every keyframe.
Definition at line 329 of file avcodec.h.
Referenced by aac_encode_init(), add_stream(), aom_init(), av_parser_change(), eb_enc_init(), encode_init(), ff_mpeg4_encode_picture_header(), ff_nvenc_encode_init(), ff_vaapi_encode_init(), libkvazaar_init(), librav1e_encode_init(), librav1e_receive_packet(), libx265_encode_init(), mf_init(), new_output_stream(), nvenc_setup_h264_config(), nvenc_setup_hevc_config(), omx_encode_frame(), omx_encode_init(), open_output_file(), storeframe(), svc_encode_frame(), svc_encode_init(), vaapi_encode_init_packed_headers(), vtenc_cm_to_avpacket(), vtenc_configure_encoder(), vtenc_output_callback(), X264_init(), XAVS_init(), and xvid_encode_init().
| #define AV_CODEC_FLAG_BITEXACT (1 << 23) |
Use only bitexact stuff (except (I)DCT).
Definition at line 333 of file avcodec.h.
Referenced by aac_decode_init(), aac_encode_frame(), ac3_decode_init(), ac3_fixed_mdct_init(), add_input_streams(), atrac1_decode_init(), atrac3_decode_init(), atrac3p_decode_init(), atrac9_decode_init(), dct_init(), decode_init(), dsp_init(), encode_frame(), encode_init(), ff_ac3_encode_init(), ff_ac3_float_encode_init(), ff_ass_subtitle_header_full(), ff_celt_init(), ff_dca_core_filter_frame(), ff_hpeldsp_vp3_init_x86(), ff_idctdsp_init_arm(), ff_idctdsp_init_armv6(), ff_idctdsp_init_ppc(), ff_mpegvideoencdsp_init_x86(), ff_mpv_common_init_mips(), ff_mpv_common_init_x86(), ff_opus_psy_init(), ff_twinvq_decode_init(), ff_vp3dsp_init_x86(), ff_wma_init(), get_cox(), hadamard_func(), hpeldsp_init_3dnow(), hpeldsp_init_mmxext(), imc_decode_init(), init_muxer(), jpeg_put_comments(), libaribb24_generate_ass_header(), libvorbis_encode_init(), main(), mp3lame_encode_init(), mpeg4_encode_vol_header(), new_output_stream(), on2avc_decode_init(), opus_encode_init(), put_com(), put_pce(), ra288_decode_init(), set_encoder_id(), siren_init(), update_size(), vc2_encode_frame(), vorbis_parse_id_hdr(), and vp3_decode_init().
| #define AV_CODEC_FLAG_AC_PRED (1 << 24) |
H.263 advanced intra coding / MPEG-4 AC prediction.
Definition at line 338 of file avcodec.h.
Referenced by ff_mpeg4_encode_mb(), ff_mpv_encode_init(), and xvid_encode_init().
| #define AV_CODEC_FLAG_INTERLACED_ME (1 << 29) |
interlaced motion estimation
Definition at line 342 of file avcodec.h.
Referenced by encode_init(), encode_picture(), ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), ff_mpv_encode_init(), init_context_frame(), and init_output_stream_encode().
| #define AV_CODEC_FLAG_CLOSED_GOP (1U << 31) |
Definition at line 343 of file avcodec.h.
Referenced by ff_mpeg1_init_uni_ac_vlc(), ff_mpv_encode_init(), init_video_param(), libx265_encode_init(), mpeg4_encode_gop_header(), select_input_picture(), vaapi_encode_init_gop_structure(), X264_init(), xavs2_init(), and xvid_encode_init().
| #define AV_CODEC_FLAG2_FAST (1 << 0) |
Allow non spec compliant speedup tricks.
Definition at line 348 of file avcodec.h.
Referenced by h264_slice_init(), LLVMFuzzerTestOneInput(), mpeg_decode_mb(), and stream_component_open().
| #define AV_CODEC_FLAG2_NO_OUTPUT (1 << 2) |
Skip bitstream encoding.
Definition at line 352 of file avcodec.h.
Referenced by encode_422_bitstream(), encode_bgra_bitstream(), encode_frame(), encode_gray_bitstream(), encode_plane_bitstream(), ff_h263_encode_motion_vector(), and mpeg4_encode_blocks().
| #define AV_CODEC_FLAG2_LOCAL_HEADER (1 << 3) |
Place global headers at every keyframe instead of in extradata.
Definition at line 356 of file avcodec.h.
Referenced by av_parser_change().
| #define AV_CODEC_FLAG2_DROP_FRAME_TIMECODE (1 << 13) |
timecode is in drop frame format.
DEPRECATED!!!!
Definition at line 361 of file avcodec.h.
Referenced by ff_mpeg1_init_uni_ac_vlc().
| #define AV_CODEC_FLAG2_CHUNKS (1 << 15) |
Input bitstream might be truncated at a packet boundaries instead of only at frame boundaries.
Definition at line 367 of file avcodec.h.
Referenced by decode_nal_units(), ff_h263_decode_picture_header(), h264_decode_frame(), main(), mpeg_field_start(), and validate_thread_parameters().
| #define AV_CODEC_FLAG2_IGNORE_CROP (1 << 16) |
Discard cropping information from SPS.
Definition at line 371 of file avcodec.h.
Referenced by decode_vui(), ff_h264_decode_seq_parameter_set(), ff_hevc_parse_sps(), and read_huffman_tree().
| #define AV_CODEC_FLAG2_SHOW_ALL (1 << 22) |
Show all frames before the first keyframe.
Definition at line 376 of file avcodec.h.
Referenced by decode_chunks(), decode_frame(), finalize_frame(), and h264_select_output_frame().
| #define AV_CODEC_FLAG2_EXPORT_MVS (1 << 28) |
Export motion vectors through frame side data.
Definition at line 380 of file avcodec.h.
Referenced by avcodec_open2().
| #define AV_CODEC_FLAG2_SKIP_MANUAL (1 << 29) |
Do not skip samples and export skip information as frame side data.
Definition at line 384 of file avcodec.h.
Referenced by decode_simple_internal().
| #define AV_CODEC_FLAG2_RO_FLUSH_NOOP (1 << 30) |
Do not reset ASS ReadOrder field on flush (subtitles decoding)
Definition at line 388 of file avcodec.h.
Referenced by ff_ass_decoder_flush(), flush_decoder(), libaribb24_flush(), mov_text_flush(), sami_flush(), teletext_close_decoder(), and text_flush().
| #define AV_CODEC_EXPORT_DATA_MVS (1 << 0) |
Export motion vectors through frame side data.
Definition at line 403 of file avcodec.h.
Referenced by alloc_picture_tables(), avcodec_open2(), decode_frame(), and ff_print_debug_info2().
| #define AV_CODEC_EXPORT_DATA_PRFT (1 << 1) |
Export encoder Producer Reference Time through packet side data.
Definition at line 407 of file avcodec.h.
Referenced by X264_frame().
| #define AV_CODEC_EXPORT_DATA_VIDEO_ENC_PARAMS (1 << 2) |
Decoding only.
Export the AVVideoEncParams structure through frame side data.
Definition at line 412 of file avcodec.h.
Referenced by ff_mpv_export_qp_table(), output_frame(), update_block_buffers(), and vp9_decode_frame().
| #define AV_CODEC_EXPORT_DATA_FILM_GRAIN (1 << 3) |
Decoding only.
Do not apply film grain, export it instead.
Definition at line 417 of file avcodec.h.
Referenced by fill_picture_parameters(), libdav1d_init(), libdav1d_receive_frame(), nvdec_av1_start_frame(), set_output_frame(), and vaapi_av1_start_frame().
| #define AV_GET_BUFFER_FLAG_REF (1 << 0) |
The decoder will keep a reference to the frame and may reuse it later.
Definition at line 514 of file avcodec.h.
Referenced by alloc_frame(), alloc_frame_buffer(), alloc_picture(), av1_frame_alloc(), cdg_decode_frame(), cmv_decode_frame(), decode_frame(), decode_idat_chunk(), decode_pic(), dirac_decode_data_unit(), dirac_decode_picture_header(), escape124_decode_frame(), execute_code(), ff_mjpeg_decode_sof(), ff_snow_common_init_after_header(), ff_snow_get_buffer(), ff_vp56_decode_frame(), get_buffer(), ipvideo_decode_frame(), mimic_decode_frame(), mss2_decode_frame(), mxpeg_decode_frame(), reget_buffer_internal(), svq1_decode_frame(), tgv_decode_frame(), vmdvideo_decode_frame(), vp3_decode_frame(), vp8_alloc_frame(), vp9_frame_alloc(), wavpack_decode_block(), xan_decode_frame(), and zerocodec_decode_frame().
| #define AV_SUBTITLE_FLAG_FORCED 0x00000001 |
Definition at line 2638 of file avcodec.h.
Referenced by decode_dvd_subtitles(), display_end_segment(), dvdsub_decode(), and encode_dvd_subtitles().
| #define AV_CODEC_CAP_DRAW_HORIZ_BAND (1 << 0) |
Decoder can use draw_horiz_band callback.
Definition at line 44 of file codec.h.
Referenced by print_codec(), print_codecs(), and read_huffman_tree().
| #define AV_CODEC_CAP_DR1 (1 << 1) |
Codec uses get_buffer() for allocating buffers and supports custom allocators.
If not set, it might not use get_buffer() at all or use operations that assume the buffer was allocated by avcodec_default_get_buffer.
Definition at line 50 of file codec.h.
Referenced by aptx_decode_frame(), cyuv_decode_frame(), decode_end(), decode_flush(), decode_frame(), decode_receive_frame_internal(), decode_simple_internal(), eightsvx_decode_close(), ff_sp5x_process_packet(), ff_vp8_decode_init(), flashsv_decode_frame(), flush(), g726_reset(), gsm_flush(), libgsm_flush(), mvc_decode_frame(), png_dec_end(), pnm_decode_frame(), predictor_calc_error(), print_codec(), print_codecs(), read_access_unit(), read_huffman_tree(), v408_decode_frame(), and vpx_free().
| #define AV_CODEC_CAP_TRUNCATED (1 << 3) |
Definition at line 51 of file codec.h.
Referenced by print_codec().
| #define AV_CODEC_CAP_DELAY (1 << 5) |
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and correct output.
NOTE: If this flag is not set, the codec is guaranteed to never be fed with with NULL data. The user can still send NULL data to the public encode or decode function, but libavcodec will not pass it along to the codec unless this flag is set.
Decoders: The decoder has a non-zero delay and needs to be fed with avpkt->data=NULL, avpkt->size=0 at the end to get the delayed data until the decoder no longer returns frames.
Encoders: The encoder needs to be fed with NULL data at the end of encoding until the encoder no longer returns data.
NOTE: For encoders implementing the AVCodec.encode2() function, setting this flag also means that the encoder must set the pts and duration for each output packet. If this flag is not set, the pts and duration will be determined by libavcodec from the input frame.
Definition at line 75 of file codec.h.
Referenced by a64multi_encode_frame(), avcodec_decode_subtitle2(), decode_simple_internal(), do_video_out(), encode_simple_internal(), ff_mpeg1_init_uni_ac_vlc(), flush_encoder(), nvenc_old_init(), print_codec(), and submit_packet().
| #define AV_CODEC_CAP_SMALL_LAST_FRAME (1 << 6) |
Codec can be fed a final frame with a smaller size.
This can be used to prevent truncation of the last audio samples.
Definition at line 80 of file codec.h.
Referenced by aptx_close(), encode_send_frame_internal(), g726_reset(), mlp_encode_close(), and print_codec().
| #define AV_CODEC_CAP_SUBFRAMES (1 << 8) |
Codec can output multiple frames per AVPacket Normally demuxers return one frame at a time, demuxers which do not do are connected to a parser to split what they return into proper frames.
This flag is reserved to the very rare category of codecs which have a bitstream that cannot be split into frames without timeconsuming operations like full decoding. Demuxers carrying such bitstreams thus may return multiple frames in a packet. This has many disadvantages like prohibiting stream copy in many cases thus it should only be considered as a last resort.
Definition at line 93 of file codec.h.
Referenced by decode_simple_internal(), and print_codec().
| #define AV_CODEC_CAP_EXPERIMENTAL (1 << 9) |
Codec is experimental and is thus avoided in favor of non experimental encoders.
Definition at line 98 of file codec.h.
Referenced by av1_init_static(), avcodec_open2(), find_codec(), find_probe_decoder(), mlp_encode_close(), predictor_calc_error(), print_codec(), and print_codecs().
| #define AV_CODEC_CAP_CHANNEL_CONF (1 << 10) |
Codec should fill in channel configuration and samplerate instead of container.
Definition at line 102 of file codec.h.
Referenced by avcodec_open2(), flush(), g726_reset(), gsm_flush(), libgsm_flush(), predictor_calc_error(), print_codec(), read_access_unit(), and try_decode_frame().
| #define AV_CODEC_CAP_FRAME_THREADS (1 << 12) |
Codec supports frame-level multithreading.
Definition at line 106 of file codec.h.
Referenced by avcodec_flush_buffers(), decode_end(), ff_frame_thread_encoder_init(), ff_vp8_decode_init(), png_dec_end(), print_codec(), print_codecs(), read_huffman_tree(), and validate_thread_parameters().
| #define AV_CODEC_CAP_SLICE_THREADS (1 << 13) |
Codec supports slice-based (or partition-based) multithreading.
Definition at line 110 of file codec.h.
Referenced by ff_mpeg1_init_uni_ac_vlc(), ff_vp8_decode_init(), print_codec(), print_codecs(), and validate_thread_parameters().
| #define AV_CODEC_CAP_PARAM_CHANGE (1 << 14) |
Codec supports changed parameters at any point.
Definition at line 114 of file codec.h.
Referenced by apply_param_change(), print_codec(), and reap_filters().
| #define AV_CODEC_CAP_AUTO_THREADS (1 << 15) |
Codec supports avctx->thread_count == 0 (auto).
Definition at line 118 of file codec.h.
Referenced by avcodec_open2(), print_codec(), validate_thread_parameters(), and vpx_free().
| #define AV_CODEC_CAP_VARIABLE_FRAME_SIZE (1 << 16) |
Audio encoder supports receiving a different number of samples in each call.
Definition at line 122 of file codec.h.
Referenced by configure_filtergraph(), encode_send_frame_internal(), init_output_stream(), open_audio(), and print_codec().
| #define AV_CODEC_CAP_AVOID_PROBING (1 << 17) |
Decoder is not a preferred choice for probing.
This indicates that the decoder is not a good choice for probing. It could for example be an expensive to spin up hardware decoder, or it could simply not provide a lot of useful information about the stream. A decoder marked with this flag should only be used as last resort choice for probing.
Definition at line 132 of file codec.h.
Referenced by find_probe_decoder(), and print_codec().
| #define AV_CODEC_CAP_HARDWARE (1 << 18) |
Codec is backed by a hardware implementation.
Typically used to identify a non-hwaccel hardware decoder. For information about hwaccels, use avcodec_get_hw_config() instead.
Definition at line 150 of file codec.h.
Referenced by nvenc_old_init(), and print_codec().
| #define AV_CODEC_CAP_HYBRID (1 << 19) |
Codec is potentially backed by a hardware implementation, but not necessarily.
This is used instead of AV_CODEC_CAP_HARDWARE, if the implementation provides some sort of internal fallback.
Definition at line 157 of file codec.h.
Referenced by print_codec().
| #define AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE (1 << 20) |
This codec takes the reordered_opaque field from input AVFrames and returns it in the corresponding field in AVCodecContext after encoding.
| #define AV_CODEC_CAP_ENCODER_FLUSH (1 << 21) |
This encoder can be flushed using avcodec_flush_buffers().
If this flag is not set, the encoder must be closed and reopened to ensure that no frames remain pending.
Definition at line 171 of file codec.h.
Referenced by avcodec_flush_buffers(), and nvenc_old_init().
| #define AV_CODEC_PROP_INTRA_ONLY (1 << 0) |
Codec uses only intra compression.
Video and audio codecs only.
Definition at line 72 of file codec_desc.h.
Referenced by ff_is_intra_only(), and show_codecs().
| #define AV_CODEC_PROP_LOSSY (1 << 1) |
Codec supports lossy compression.
Audio and video codecs only.
Definition at line 78 of file codec_desc.h.
Referenced by show_codecs().
| #define AV_CODEC_PROP_LOSSLESS (1 << 2) |
Codec supports lossless compression.
Audio and video codecs only.
Definition at line 82 of file codec_desc.h.
Referenced by show_codecs().
| #define AV_CODEC_PROP_REORDER (1 << 3) |
Codec supports frame reordering.
That is, the coded order (the order in which the encoded packets are output by the encoders / stored / input to the decoders) may be different from the presentation order of the corresponding frames.
For codecs that do not have this property set, PTS and DTS should always be equal.
Definition at line 92 of file codec_desc.h.
Referenced by init_muxer().
| #define AV_CODEC_PROP_BITMAP_SUB (1 << 16) |
Subtitle codec is bitmap based Decoded AVSubtitle data can be read from the AVSubtitleRect->pict field.
Definition at line 97 of file codec_desc.h.
Referenced by avcodec_decode_subtitle2(), avcodec_open2(), init_output_stream(), and open_output_file().
| #define AV_CODEC_PROP_TEXT_SUB (1 << 17) |
Subtitle codec is text based.
Decoded AVSubtitle data can be read from the AVSubtitleRect->ass field.
Definition at line 102 of file codec_desc.h.
Referenced by avcodec_decode_subtitle2(), init_output_stream(), and open_output_file().
| enum AVAudioServiceType |
| enum AVSubtitleType |
| anonymous enum |
| Enumerator | |
|---|---|
| AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX |
The codec supports this format via the hw_device_ctx interface. When selecting this format, AVCodecContext.hw_device_ctx should have been set to a device of the specified type before calling avcodec_open2(). |
| AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX |
The codec supports this format via the hw_frames_ctx interface. When selecting this format for a decoder, AVCodecContext.hw_frames_ctx should be set to a suitable frames context inside the get_format() callback. The frames context must have been created on a device of the specified type. When selecting this format for an encoder, AVCodecContext.hw_frames_ctx should be set to the context which will be used for the input frames before calling avcodec_open2(). |
| AV_CODEC_HW_CONFIG_METHOD_INTERNAL |
The codec supports this format by some internal method. This format can be selected without any additional configuration - no device or frames context is required. |
| AV_CODEC_HW_CONFIG_METHOD_AD_HOC |
The codec supports this format by some ad-hoc method. Additional settings and/or function calls are required. See the codec-specific documentation for details. (Methods requiring this sort of configuration are deprecated and others should be used in preference.) |
| enum AVCodecID |
Identify the syntax and semantics of the bitstream.
The principle is roughly: Two decoders with the same ID can decode the same streams. Two encoders with the same ID can encode compatible streams. There may be slight deviations from the principle due to implementation details.
If you add a codec ID to this list, add it so that
After adding new codec IDs, do not forget to add an entry to the codec descriptor list and bump libavcodec minor version.
| Enumerator | |
|---|---|
| AV_CODEC_ID_NONE | |
| AV_CODEC_ID_MPEG1VIDEO | |
| AV_CODEC_ID_MPEG2VIDEO |
preferred ID for MPEG-1/2 video decoding |
| AV_CODEC_ID_H261 | |
| AV_CODEC_ID_H263 | |
| AV_CODEC_ID_RV10 | |
| AV_CODEC_ID_RV20 | |
| AV_CODEC_ID_MJPEG | |
| AV_CODEC_ID_MJPEGB | |
| AV_CODEC_ID_LJPEG | |
| AV_CODEC_ID_SP5X | |
| AV_CODEC_ID_JPEGLS | |
| AV_CODEC_ID_MPEG4 | |
| AV_CODEC_ID_RAWVIDEO | |
| AV_CODEC_ID_MSMPEG4V1 | |
| AV_CODEC_ID_MSMPEG4V2 | |
| AV_CODEC_ID_MSMPEG4V3 | |
| AV_CODEC_ID_WMV1 | |
| AV_CODEC_ID_WMV2 | |
| AV_CODEC_ID_H263P | |
| AV_CODEC_ID_H263I | |
| AV_CODEC_ID_FLV1 | |
| AV_CODEC_ID_SVQ1 | |
| AV_CODEC_ID_SVQ3 | |
| AV_CODEC_ID_DVVIDEO | |
| AV_CODEC_ID_HUFFYUV | |
| AV_CODEC_ID_CYUV | |
| AV_CODEC_ID_H264 | |
| AV_CODEC_ID_INDEO3 | |
| AV_CODEC_ID_VP3 | |
| AV_CODEC_ID_THEORA | |
| AV_CODEC_ID_ASV1 | |
| AV_CODEC_ID_ASV2 | |
| AV_CODEC_ID_FFV1 | |
| AV_CODEC_ID_4XM | |
| AV_CODEC_ID_VCR1 | |
| AV_CODEC_ID_CLJR | |
| AV_CODEC_ID_MDEC | |
| AV_CODEC_ID_ROQ | |
| AV_CODEC_ID_INTERPLAY_VIDEO | |
| AV_CODEC_ID_XAN_WC3 | |
| AV_CODEC_ID_XAN_WC4 | |
| AV_CODEC_ID_RPZA | |
| AV_CODEC_ID_CINEPAK | |
| AV_CODEC_ID_WS_VQA | |
| AV_CODEC_ID_MSRLE | |
| AV_CODEC_ID_MSVIDEO1 | |
| AV_CODEC_ID_IDCIN | |
| AV_CODEC_ID_8BPS | |
| AV_CODEC_ID_SMC | |
| AV_CODEC_ID_FLIC | |
| AV_CODEC_ID_TRUEMOTION1 | |
| AV_CODEC_ID_VMDVIDEO | |
| AV_CODEC_ID_MSZH | |
| AV_CODEC_ID_ZLIB | |
| AV_CODEC_ID_QTRLE | |
| AV_CODEC_ID_TSCC | |
| AV_CODEC_ID_ULTI | |
| AV_CODEC_ID_QDRAW | |
| AV_CODEC_ID_VIXL | |
| AV_CODEC_ID_QPEG | |
| AV_CODEC_ID_PNG | |
| AV_CODEC_ID_PPM | |
| AV_CODEC_ID_PBM | |
| AV_CODEC_ID_PGM | |
| AV_CODEC_ID_PGMYUV | |
| AV_CODEC_ID_PAM | |
| AV_CODEC_ID_FFVHUFF | |
| AV_CODEC_ID_RV30 | |
| AV_CODEC_ID_RV40 | |
| AV_CODEC_ID_VC1 | |
| AV_CODEC_ID_WMV3 | |
| AV_CODEC_ID_LOCO | |
| AV_CODEC_ID_WNV1 | |
| AV_CODEC_ID_AASC | |
| AV_CODEC_ID_INDEO2 | |
| AV_CODEC_ID_FRAPS | |
| AV_CODEC_ID_TRUEMOTION2 | |
| AV_CODEC_ID_BMP | |
| AV_CODEC_ID_CSCD | |
| AV_CODEC_ID_MMVIDEO | |
| AV_CODEC_ID_ZMBV | |
| AV_CODEC_ID_AVS | |
| AV_CODEC_ID_SMACKVIDEO | |
| AV_CODEC_ID_NUV | |
| AV_CODEC_ID_KMVC | |
| AV_CODEC_ID_FLASHSV | |
| AV_CODEC_ID_CAVS | |
| AV_CODEC_ID_JPEG2000 | |
| AV_CODEC_ID_VMNC | |
| AV_CODEC_ID_VP5 | |
| AV_CODEC_ID_VP6 | |
| AV_CODEC_ID_VP6F | |
| AV_CODEC_ID_TARGA | |
| AV_CODEC_ID_DSICINVIDEO | |
| AV_CODEC_ID_TIERTEXSEQVIDEO | |
| AV_CODEC_ID_TIFF | |
| AV_CODEC_ID_GIF | |
| AV_CODEC_ID_DXA | |
| AV_CODEC_ID_DNXHD | |
| AV_CODEC_ID_THP | |
| AV_CODEC_ID_SGI | |
| AV_CODEC_ID_C93 | |
| AV_CODEC_ID_BETHSOFTVID | |
| AV_CODEC_ID_PTX | |
| AV_CODEC_ID_TXD | |
| AV_CODEC_ID_VP6A | |
| AV_CODEC_ID_AMV | |
| AV_CODEC_ID_VB | |
| AV_CODEC_ID_PCX | |
| AV_CODEC_ID_SUNRAST | |
| AV_CODEC_ID_INDEO4 | |
| AV_CODEC_ID_INDEO5 | |
| AV_CODEC_ID_MIMIC | |
| AV_CODEC_ID_RL2 | |
| AV_CODEC_ID_ESCAPE124 | |
| AV_CODEC_ID_DIRAC | |
| AV_CODEC_ID_BFI | |
| AV_CODEC_ID_CMV | |
| AV_CODEC_ID_MOTIONPIXELS | |
| AV_CODEC_ID_TGV | |
| AV_CODEC_ID_TGQ | |
| AV_CODEC_ID_TQI | |
| AV_CODEC_ID_AURA | |
| AV_CODEC_ID_AURA2 | |
| AV_CODEC_ID_V210X | |
| AV_CODEC_ID_TMV | |
| AV_CODEC_ID_V210 | |
| AV_CODEC_ID_DPX | |
| AV_CODEC_ID_MAD | |
| AV_CODEC_ID_FRWU | |
| AV_CODEC_ID_FLASHSV2 | |
| AV_CODEC_ID_CDGRAPHICS | |
| AV_CODEC_ID_R210 | |
| AV_CODEC_ID_ANM | |
| AV_CODEC_ID_BINKVIDEO | |
| AV_CODEC_ID_IFF_ILBM | |
| AV_CODEC_ID_KGV1 | |
| AV_CODEC_ID_YOP | |
| AV_CODEC_ID_VP8 | |
| AV_CODEC_ID_PICTOR | |
| AV_CODEC_ID_ANSI | |
| AV_CODEC_ID_A64_MULTI | |
| AV_CODEC_ID_A64_MULTI5 | |
| AV_CODEC_ID_R10K | |
| AV_CODEC_ID_MXPEG | |
| AV_CODEC_ID_LAGARITH | |
| AV_CODEC_ID_PRORES | |
| AV_CODEC_ID_JV | |
| AV_CODEC_ID_DFA | |
| AV_CODEC_ID_WMV3IMAGE | |
| AV_CODEC_ID_VC1IMAGE | |
| AV_CODEC_ID_UTVIDEO | |
| AV_CODEC_ID_BMV_VIDEO | |
| AV_CODEC_ID_VBLE | |
| AV_CODEC_ID_DXTORY | |
| AV_CODEC_ID_V410 | |
| AV_CODEC_ID_XWD | |
| AV_CODEC_ID_CDXL | |
| AV_CODEC_ID_XBM | |
| AV_CODEC_ID_ZEROCODEC | |
| AV_CODEC_ID_MSS1 | |
| AV_CODEC_ID_MSA1 | |
| AV_CODEC_ID_TSCC2 | |
| AV_CODEC_ID_MTS2 | |
| AV_CODEC_ID_CLLC | |
| AV_CODEC_ID_MSS2 | |
| AV_CODEC_ID_VP9 | |
| AV_CODEC_ID_AIC | |
| AV_CODEC_ID_ESCAPE130 | |
| AV_CODEC_ID_G2M | |
| AV_CODEC_ID_WEBP | |
| AV_CODEC_ID_HNM4_VIDEO | |
| AV_CODEC_ID_HEVC | |
| AV_CODEC_ID_FIC | |
| AV_CODEC_ID_ALIAS_PIX | |
| AV_CODEC_ID_BRENDER_PIX | |
| AV_CODEC_ID_PAF_VIDEO | |
| AV_CODEC_ID_EXR | |
| AV_CODEC_ID_VP7 | |
| AV_CODEC_ID_SANM | |
| AV_CODEC_ID_SGIRLE | |
| AV_CODEC_ID_MVC1 | |
| AV_CODEC_ID_MVC2 | |
| AV_CODEC_ID_HQX | |
| AV_CODEC_ID_TDSC | |
| AV_CODEC_ID_HQ_HQA | |
| AV_CODEC_ID_HAP | |
| AV_CODEC_ID_DDS | |
| AV_CODEC_ID_DXV | |
| AV_CODEC_ID_SCREENPRESSO | |
| AV_CODEC_ID_RSCC | |
| AV_CODEC_ID_AVS2 | |
| AV_CODEC_ID_PGX | |
| AV_CODEC_ID_AVS3 | |
| AV_CODEC_ID_MSP2 | |
| AV_CODEC_ID_VVC | |
| AV_CODEC_ID_Y41P | |
| AV_CODEC_ID_AVRP | |
| AV_CODEC_ID_012V | |
| AV_CODEC_ID_AVUI | |
| AV_CODEC_ID_AYUV | |
| AV_CODEC_ID_TARGA_Y216 | |
| AV_CODEC_ID_V308 | |
| AV_CODEC_ID_V408 | |
| AV_CODEC_ID_YUV4 | |
| AV_CODEC_ID_AVRN | |
| AV_CODEC_ID_CPIA | |
| AV_CODEC_ID_XFACE | |
| AV_CODEC_ID_SNOW | |
| AV_CODEC_ID_SMVJPEG | |
| AV_CODEC_ID_APNG | |
| AV_CODEC_ID_DAALA | |
| AV_CODEC_ID_CFHD | |
| AV_CODEC_ID_TRUEMOTION2RT | |
| AV_CODEC_ID_M101 | |
| AV_CODEC_ID_MAGICYUV | |
| AV_CODEC_ID_SHEERVIDEO | |
| AV_CODEC_ID_YLC | |
| AV_CODEC_ID_PSD | |
| AV_CODEC_ID_PIXLET | |
| AV_CODEC_ID_SPEEDHQ | |
| AV_CODEC_ID_FMVC | |
| AV_CODEC_ID_SCPR | |
| AV_CODEC_ID_CLEARVIDEO | |
| AV_CODEC_ID_XPM | |
| AV_CODEC_ID_AV1 | |
| AV_CODEC_ID_BITPACKED | |
| AV_CODEC_ID_MSCC | |
| AV_CODEC_ID_SRGC | |
| AV_CODEC_ID_SVG | |
| AV_CODEC_ID_GDV | |
| AV_CODEC_ID_FITS | |
| AV_CODEC_ID_IMM4 | |
| AV_CODEC_ID_PROSUMER | |
| AV_CODEC_ID_MWSC | |
| AV_CODEC_ID_WCMV | |
| AV_CODEC_ID_RASC | |
| AV_CODEC_ID_HYMT | |
| AV_CODEC_ID_ARBC | |
| AV_CODEC_ID_AGM | |
| AV_CODEC_ID_LSCR | |
| AV_CODEC_ID_VP4 | |
| AV_CODEC_ID_IMM5 | |
| AV_CODEC_ID_MVDV | |
| AV_CODEC_ID_MVHA | |
| AV_CODEC_ID_CDTOONS | |
| AV_CODEC_ID_MV30 | |
| AV_CODEC_ID_NOTCHLC | |
| AV_CODEC_ID_PFM | |
| AV_CODEC_ID_MOBICLIP | |
| AV_CODEC_ID_PHOTOCD | |
| AV_CODEC_ID_IPU | |
| AV_CODEC_ID_ARGO | |
| AV_CODEC_ID_CRI | |
| AV_CODEC_ID_SIMBIOSIS_IMX | |
| AV_CODEC_ID_FIRST_AUDIO |
A dummy id pointing at the start of audio codecs. |
| AV_CODEC_ID_PCM_S16LE | |
| AV_CODEC_ID_PCM_S16BE | |
| AV_CODEC_ID_PCM_U16LE | |
| AV_CODEC_ID_PCM_U16BE | |
| AV_CODEC_ID_PCM_S8 | |
| AV_CODEC_ID_PCM_U8 | |
| AV_CODEC_ID_PCM_MULAW | |
| AV_CODEC_ID_PCM_ALAW | |
| AV_CODEC_ID_PCM_S32LE | |
| AV_CODEC_ID_PCM_S32BE | |
| AV_CODEC_ID_PCM_U32LE | |
| AV_CODEC_ID_PCM_U32BE | |
| AV_CODEC_ID_PCM_S24LE | |
| AV_CODEC_ID_PCM_S24BE | |
| AV_CODEC_ID_PCM_U24LE | |
| AV_CODEC_ID_PCM_U24BE | |
| AV_CODEC_ID_PCM_S24DAUD | |
| AV_CODEC_ID_PCM_ZORK | |
| AV_CODEC_ID_PCM_S16LE_PLANAR | |
| AV_CODEC_ID_PCM_DVD | |
| AV_CODEC_ID_PCM_F32BE | |
| AV_CODEC_ID_PCM_F32LE | |
| AV_CODEC_ID_PCM_F64BE | |
| AV_CODEC_ID_PCM_F64LE | |
| AV_CODEC_ID_PCM_BLURAY | |
| AV_CODEC_ID_PCM_LXF | |
| AV_CODEC_ID_S302M | |
| AV_CODEC_ID_PCM_S8_PLANAR | |
| AV_CODEC_ID_PCM_S24LE_PLANAR | |
| AV_CODEC_ID_PCM_S32LE_PLANAR | |
| AV_CODEC_ID_PCM_S16BE_PLANAR | |
| AV_CODEC_ID_PCM_S64LE | |
| AV_CODEC_ID_PCM_S64BE | |
| AV_CODEC_ID_PCM_F16LE | |
| AV_CODEC_ID_PCM_F24LE | |
| AV_CODEC_ID_PCM_VIDC | |
| AV_CODEC_ID_ADPCM_IMA_QT | |
| AV_CODEC_ID_ADPCM_IMA_WAV | |
| AV_CODEC_ID_ADPCM_IMA_DK3 | |
| AV_CODEC_ID_ADPCM_IMA_DK4 | |
| AV_CODEC_ID_ADPCM_IMA_WS | |
| AV_CODEC_ID_ADPCM_IMA_SMJPEG | |
| AV_CODEC_ID_ADPCM_MS | |
| AV_CODEC_ID_ADPCM_4XM | |
| AV_CODEC_ID_ADPCM_XA | |
| AV_CODEC_ID_ADPCM_ADX | |
| AV_CODEC_ID_ADPCM_EA | |
| AV_CODEC_ID_ADPCM_G726 | |
| AV_CODEC_ID_ADPCM_CT | |
| AV_CODEC_ID_ADPCM_SWF | |
| AV_CODEC_ID_ADPCM_YAMAHA | |
| AV_CODEC_ID_ADPCM_SBPRO_4 | |
| AV_CODEC_ID_ADPCM_SBPRO_3 | |
| AV_CODEC_ID_ADPCM_SBPRO_2 | |
| AV_CODEC_ID_ADPCM_THP | |
| AV_CODEC_ID_ADPCM_IMA_AMV | |
| AV_CODEC_ID_ADPCM_EA_R1 | |
| AV_CODEC_ID_ADPCM_EA_R3 | |
| AV_CODEC_ID_ADPCM_EA_R2 | |
| AV_CODEC_ID_ADPCM_IMA_EA_SEAD | |
| AV_CODEC_ID_ADPCM_IMA_EA_EACS | |
| AV_CODEC_ID_ADPCM_EA_XAS | |
| AV_CODEC_ID_ADPCM_EA_MAXIS_XA | |
| AV_CODEC_ID_ADPCM_IMA_ISS | |
| AV_CODEC_ID_ADPCM_G722 | |
| AV_CODEC_ID_ADPCM_IMA_APC | |
| AV_CODEC_ID_ADPCM_VIMA | |
| AV_CODEC_ID_ADPCM_AFC | |
| AV_CODEC_ID_ADPCM_IMA_OKI | |
| AV_CODEC_ID_ADPCM_DTK | |
| AV_CODEC_ID_ADPCM_IMA_RAD | |
| AV_CODEC_ID_ADPCM_G726LE | |
| AV_CODEC_ID_ADPCM_THP_LE | |
| AV_CODEC_ID_ADPCM_PSX | |
| AV_CODEC_ID_ADPCM_AICA | |
| AV_CODEC_ID_ADPCM_IMA_DAT4 | |
| AV_CODEC_ID_ADPCM_MTAF | |
| AV_CODEC_ID_ADPCM_AGM | |
| AV_CODEC_ID_ADPCM_ARGO | |
| AV_CODEC_ID_ADPCM_IMA_SSI | |
| AV_CODEC_ID_ADPCM_ZORK | |
| AV_CODEC_ID_ADPCM_IMA_APM | |
| AV_CODEC_ID_ADPCM_IMA_ALP | |
| AV_CODEC_ID_ADPCM_IMA_MTF | |
| AV_CODEC_ID_ADPCM_IMA_CUNNING | |
| AV_CODEC_ID_ADPCM_IMA_MOFLEX | |
| AV_CODEC_ID_AMR_NB | |
| AV_CODEC_ID_AMR_WB | |
| AV_CODEC_ID_RA_144 | |
| AV_CODEC_ID_RA_288 | |
| AV_CODEC_ID_ROQ_DPCM | |
| AV_CODEC_ID_INTERPLAY_DPCM | |
| AV_CODEC_ID_XAN_DPCM | |
| AV_CODEC_ID_SOL_DPCM | |
| AV_CODEC_ID_SDX2_DPCM | |
| AV_CODEC_ID_GREMLIN_DPCM | |
| AV_CODEC_ID_DERF_DPCM | |
| AV_CODEC_ID_MP2 | |
| AV_CODEC_ID_MP3 |
preferred ID for decoding MPEG audio layer 1, 2 or 3 |
| AV_CODEC_ID_AAC | |
| AV_CODEC_ID_AC3 | |
| AV_CODEC_ID_DTS | |
| AV_CODEC_ID_VORBIS | |
| AV_CODEC_ID_DVAUDIO | |
| AV_CODEC_ID_WMAV1 | |
| AV_CODEC_ID_WMAV2 | |
| AV_CODEC_ID_MACE3 | |
| AV_CODEC_ID_MACE6 | |
| AV_CODEC_ID_VMDAUDIO | |
| AV_CODEC_ID_FLAC | |
| AV_CODEC_ID_MP3ADU | |
| AV_CODEC_ID_MP3ON4 | |
| AV_CODEC_ID_SHORTEN | |
| AV_CODEC_ID_ALAC | |
| AV_CODEC_ID_WESTWOOD_SND1 | |
| AV_CODEC_ID_GSM |
as in Berlin toast format |
| AV_CODEC_ID_QDM2 | |
| AV_CODEC_ID_COOK | |
| AV_CODEC_ID_TRUESPEECH | |
| AV_CODEC_ID_TTA | |
| AV_CODEC_ID_SMACKAUDIO | |
| AV_CODEC_ID_QCELP | |
| AV_CODEC_ID_WAVPACK | |
| AV_CODEC_ID_DSICINAUDIO | |
| AV_CODEC_ID_IMC | |
| AV_CODEC_ID_MUSEPACK7 | |
| AV_CODEC_ID_MLP | |
| AV_CODEC_ID_GSM_MS | |
| AV_CODEC_ID_ATRAC3 | |
| AV_CODEC_ID_APE | |
| AV_CODEC_ID_NELLYMOSER | |
| AV_CODEC_ID_MUSEPACK8 | |
| AV_CODEC_ID_SPEEX | |
| AV_CODEC_ID_WMAVOICE | |
| AV_CODEC_ID_WMAPRO | |
| AV_CODEC_ID_WMALOSSLESS | |
| AV_CODEC_ID_ATRAC3P | |
| AV_CODEC_ID_EAC3 | |
| AV_CODEC_ID_SIPR | |
| AV_CODEC_ID_MP1 | |
| AV_CODEC_ID_TWINVQ | |
| AV_CODEC_ID_TRUEHD | |
| AV_CODEC_ID_MP4ALS | |
| AV_CODEC_ID_ATRAC1 | |
| AV_CODEC_ID_BINKAUDIO_RDFT | |
| AV_CODEC_ID_BINKAUDIO_DCT | |
| AV_CODEC_ID_AAC_LATM | |
| AV_CODEC_ID_QDMC | |
| AV_CODEC_ID_CELT | |
| AV_CODEC_ID_G723_1 | |
| AV_CODEC_ID_G729 | |
| AV_CODEC_ID_8SVX_EXP | |
| AV_CODEC_ID_8SVX_FIB | |
| AV_CODEC_ID_BMV_AUDIO | |
| AV_CODEC_ID_RALF | |
| AV_CODEC_ID_IAC | |
| AV_CODEC_ID_ILBC | |
| AV_CODEC_ID_OPUS | |
| AV_CODEC_ID_COMFORT_NOISE | |
| AV_CODEC_ID_TAK | |
| AV_CODEC_ID_METASOUND | |
| AV_CODEC_ID_PAF_AUDIO | |
| AV_CODEC_ID_ON2AVC | |
| AV_CODEC_ID_DSS_SP | |
| AV_CODEC_ID_CODEC2 | |
| AV_CODEC_ID_FFWAVESYNTH | |
| AV_CODEC_ID_SONIC | |
| AV_CODEC_ID_SONIC_LS | |
| AV_CODEC_ID_EVRC | |
| AV_CODEC_ID_SMV | |
| AV_CODEC_ID_DSD_LSBF | |
| AV_CODEC_ID_DSD_MSBF | |
| AV_CODEC_ID_DSD_LSBF_PLANAR | |
| AV_CODEC_ID_DSD_MSBF_PLANAR | |
| AV_CODEC_ID_4GV | |
| AV_CODEC_ID_INTERPLAY_ACM | |
| AV_CODEC_ID_XMA1 | |
| AV_CODEC_ID_XMA2 | |
| AV_CODEC_ID_DST | |
| AV_CODEC_ID_ATRAC3AL | |
| AV_CODEC_ID_ATRAC3PAL | |
| AV_CODEC_ID_DOLBY_E | |
| AV_CODEC_ID_APTX | |
| AV_CODEC_ID_APTX_HD | |
| AV_CODEC_ID_SBC | |
| AV_CODEC_ID_ATRAC9 | |
| AV_CODEC_ID_HCOM | |
| AV_CODEC_ID_ACELP_KELVIN | |
| AV_CODEC_ID_MPEGH_3D_AUDIO | |
| AV_CODEC_ID_SIREN | |
| AV_CODEC_ID_HCA | |
| AV_CODEC_ID_FASTAUDIO | |
| AV_CODEC_ID_FIRST_SUBTITLE |
A dummy ID pointing at the start of subtitle codecs. |
| AV_CODEC_ID_DVD_SUBTITLE | |
| AV_CODEC_ID_DVB_SUBTITLE | |
| AV_CODEC_ID_TEXT |
raw UTF-8 text |
| AV_CODEC_ID_XSUB | |
| AV_CODEC_ID_SSA | |
| AV_CODEC_ID_MOV_TEXT | |
| AV_CODEC_ID_HDMV_PGS_SUBTITLE | |
| AV_CODEC_ID_DVB_TELETEXT | |
| AV_CODEC_ID_SRT | |
| AV_CODEC_ID_MICRODVD | |
| AV_CODEC_ID_EIA_608 | |
| AV_CODEC_ID_JACOSUB | |
| AV_CODEC_ID_SAMI | |
| AV_CODEC_ID_REALTEXT | |
| AV_CODEC_ID_STL | |
| AV_CODEC_ID_SUBVIEWER1 | |
| AV_CODEC_ID_SUBVIEWER | |
| AV_CODEC_ID_SUBRIP | |
| AV_CODEC_ID_WEBVTT | |
| AV_CODEC_ID_MPL2 | |
| AV_CODEC_ID_VPLAYER | |
| AV_CODEC_ID_PJS | |
| AV_CODEC_ID_ASS | |
| AV_CODEC_ID_HDMV_TEXT_SUBTITLE | |
| AV_CODEC_ID_TTML | |
| AV_CODEC_ID_ARIB_CAPTION | |
| AV_CODEC_ID_FIRST_UNKNOWN |
A dummy ID pointing at the start of various fake codecs. |
| AV_CODEC_ID_TTF | |
| AV_CODEC_ID_SCTE_35 |
Contain timestamp estimated through PCR of program stream. |
| AV_CODEC_ID_EPG | |
| AV_CODEC_ID_BINTEXT | |
| AV_CODEC_ID_XBIN | |
| AV_CODEC_ID_IDF | |
| AV_CODEC_ID_OTF | |
| AV_CODEC_ID_SMPTE_KLV | |
| AV_CODEC_ID_DVD_NAV | |
| AV_CODEC_ID_TIMED_ID3 | |
| AV_CODEC_ID_BIN_DATA | |
| AV_CODEC_ID_PROBE |
codec_id is not known (like AV_CODEC_ID_NONE) but lavf should attempt to identify it |
| AV_CODEC_ID_MPEG2TS |
FAKE codec to indicate a raw MPEG-2 TS stream (only used by libavformat) |
| AV_CODEC_ID_MPEG4SYSTEMS |
FAKE codec to indicate a MPEG-4 Systems stream (only used by libavformat) |
| AV_CODEC_ID_FFMETADATA |
Dummy codec for streams containing only metadata information. |
| AV_CODEC_ID_WRAPPED_AVFRAME |
Passthrough codec, AVFrames wrapped in AVPacket. |
Definition at line 46 of file codec_id.h.
| attribute_deprecated AVRational av_codec_get_pkt_timebase | ( | const AVCodecContext * | avctx | ) |
Accessors for some AVCodecContext fields.
These used to be provided for ABI compatibility, and do not need to be used anymore.
| attribute_deprecated void av_codec_set_pkt_timebase | ( | AVCodecContext * | avctx, |
| AVRational | val | ||
| ) |
| attribute_deprecated const AVCodecDescriptor* av_codec_get_codec_descriptor | ( | const AVCodecContext * | avctx | ) |
| attribute_deprecated void av_codec_set_codec_descriptor | ( | AVCodecContext * | avctx, |
| const AVCodecDescriptor * | desc | ||
| ) |
| attribute_deprecated unsigned av_codec_get_codec_properties | ( | const AVCodecContext * | avctx | ) |
| attribute_deprecated int av_codec_get_lowres | ( | const AVCodecContext * | avctx | ) |
| attribute_deprecated void av_codec_set_lowres | ( | AVCodecContext * | avctx, |
| int | val | ||
| ) |
| attribute_deprecated int av_codec_get_seek_preroll | ( | const AVCodecContext * | avctx | ) |
| attribute_deprecated void av_codec_set_seek_preroll | ( | AVCodecContext * | avctx, |
| int | val | ||
| ) |
| attribute_deprecated uint16_t* av_codec_get_chroma_intra_matrix | ( | const AVCodecContext * | avctx | ) |
| attribute_deprecated void av_codec_set_chroma_intra_matrix | ( | AVCodecContext * | avctx, |
| uint16_t * | val | ||
| ) |
| attribute_deprecated int av_codec_get_max_lowres | ( | const AVCodec * | codec | ) |
| attribute_deprecated AVCodec* av_codec_next | ( | const AVCodec * | c | ) |
If c is NULL, returns the first registered codec, if c is non-NULL, returns the next registered codec after c, or NULL if c is the last one.
Definition at line 891 of file allcodecs.c.
| unsigned avcodec_version | ( | void | ) |
| const char* avcodec_configuration | ( | void | ) |
| const char* avcodec_license | ( | void | ) |
| attribute_deprecated void avcodec_register | ( | AVCodec * | codec | ) |
Register the codec codec and initialize libavcodec.
Definition at line 886 of file allcodecs.c.
Referenced by main().
| attribute_deprecated void avcodec_register_all | ( | void | ) |
Register all the codecs, parsers and bitstream filters which were enabled at configuration time.
If you do not call this function you can select exactly which formats you want to support, by using the individual registration functions.
Definition at line 901 of file allcodecs.c.
| AVCodecContext* avcodec_alloc_context3 | ( | const AVCodec * | codec | ) |
Allocate an AVCodecContext and set its fields to default values.
The resulting struct should be freed with avcodec_free_context().
| codec | if non-NULL, allocate private data and initialize defaults for the given codec. It is illegal to then call avcodec_open2() with a different codec. If NULL, then the codec-specific defaults won't be initialized, which may result in suboptimal default settings (this is important mainly for encoders, e.g. libx264). |
Definition at line 172 of file options.c.
Referenced by add_input_streams(), add_stream(), avcodec_dct_init(), avformat_new_stream(), config_input(), config_props(), cri_decode_init(), dash_init(), decoder_init(), dump_stream_format(), estimate_best_b_count(), ff_frame_thread_encoder_init(), ff_load_image(), imm5_init(), init_decoder(), init_encoder(), LLVMFuzzerTestOneInput(), main(), new_output_stream(), old_flac_header(), open_codec_context(), open_input_file(), open_output_file(), open_stream(), remove_extradata_init(), seek_test(), stream_component_open(), tdsc_init(), test_copy(), tiff_init(), video_decode(), and video_decode_example().
| void avcodec_free_context | ( | AVCodecContext ** | avctx | ) |
Free the codec context and everything associated with it and write NULL to the provided pointer.
Definition at line 187 of file options.c.
Referenced by avcodec_dct_init(), close_input_file(), close_stream(), cri_decode_close(), dash_free(), decoder_destroy(), dump_stream_format(), estimate_best_b_count(), ff_load_image(), ffmpeg_cleanup(), free_stream(), imm5_close(), LLVMFuzzerTestOneInput(), main(), movie_uninit(), old_flac_header(), open_input_file(), open_output_file(), remove_extradata_close(), seek_test(), stream_component_open(), tdsc_close(), test_copy(), tiff_end(), uninit(), video_decode(), and video_decode_example().
| int avcodec_get_context_defaults3 | ( | AVCodecContext * | s, |
| const AVCodec * | codec | ||
| ) |
A new codec context should be allocated for each new use.
Get the AVClass for AVCodecContext.
It can be used in combination with AV_OPT_SEARCH_FAKE_OBJ for examining options.
Definition at line 310 of file options.c.
Referenced by add_input_streams(), filter_codec_opts(), open_input_file(), open_output_file(), opt_default(), show_codec_opts(), and show_help_default().
| attribute_deprecated const AVClass* avcodec_get_frame_class | ( | void | ) |
Get the AVClass for AVSubtitleRect.
It can be used in combination with AV_OPT_SEARCH_FAKE_OBJ for examining options.
| attribute_deprecated int avcodec_copy_context | ( | AVCodecContext * | dest, |
| const AVCodecContext * | src | ||
| ) |
Copy the settings of the source AVCodecContext into the destination AVCodecContext.
The resulting destination codec context will be unopened, i.e. you are required to call avcodec_open2() before you can use this AVCodecContext to decode/encode video/audio data.
| dest | target codec context, should be initialized with avcodec_alloc_context3(NULL), but otherwise uninitialized |
| src | source codec context |
Definition at line 231 of file options.c.
Referenced by test_copy().
| int avcodec_parameters_from_context | ( | AVCodecParameters * | par, |
| const AVCodecContext * | codec | ||
| ) |
Fill the parameters struct based on the values from the supplied codec context.
Any allocated fields in par are freed and replaced with duplicates of the corresponding fields in codec.
Definition at line 2126 of file utils.c.
Referenced by add_input_streams(), aom_init(), av_bitstream_filter_filter(), avformat_find_stream_info(), dec_enc(), ff_decode_bsfs_init(), init_muxer(), init_output_stream(), init_output_stream_streamcopy(), librav1e_encode_init(), open_audio(), open_output_file(), and open_video().
| int avcodec_parameters_to_context | ( | AVCodecContext * | codec, |
| const AVCodecParameters * | par | ||
| ) |
Fill the codec context based on the values from the supplied codec parameters.
Any allocated fields in codec that have a corresponding field in par are freed and replaced with duplicates of the corresponding field in par. Fields in codec that do not have a counterpart in par are not touched.
Definition at line 2183 of file utils.c.
Referenced by add_input_streams(), avformat_find_stream_info(), dash_init(), dump_stream_format(), ff_load_image(), init_output_stream_streamcopy(), main(), old_flac_header(), open_codec_context(), open_input_file(), open_stream(), read_frame_internal(), remove_extradata_init(), seek_test(), stream_component_open(), update_stream_avctx(), video_decode(), and video_decode_example().
| int avcodec_open2 | ( | AVCodecContext * | avctx, |
| const AVCodec * | codec, | ||
| AVDictionary ** | options | ||
| ) |
Initialize the AVCodecContext to use the given AVCodec.
Prior to using this function the context has to be allocated with avcodec_alloc_context3().
The functions avcodec_find_decoder_by_name(), avcodec_find_encoder_by_name(), avcodec_find_decoder() and avcodec_find_encoder() provide an easy way for retrieving a codec.
| avctx | The context to initialize. |
| codec | The codec to open this context for. If a non-NULL codec has been previously passed to avcodec_alloc_context3() or for this context, then this parameter MUST be either NULL or equal to the previously passed codec. |
| options | A dictionary filled with AVCodecContext and codec-private options. On return this object will be filled with options that were not found. |
Definition at line 545 of file utils.c.
Referenced by avformat_find_stream_info(), config_input(), config_props(), cri_decode_init(), dec_enc(), decoder_init(), estimate_best_b_count(), ff_frame_thread_encoder_init(), ff_load_image(), imm5_init(), init_decoder(), init_encoder(), init_input_stream(), init_output_stream(), LLVMFuzzerTestOneInput(), main(), open_audio(), open_codec_context(), open_input_file(), open_output_file(), open_stream(), open_video(), seek_test(), stream_component_open(), tdsc_init(), test_copy(), tiff_init(), try_decode_frame(), video_decode(), video_decode_example(), and wrap().
| int avcodec_close | ( | AVCodecContext * | avctx | ) |
Close a given AVCodecContext and free all the data associated with it (but not the AVCodecContext itself).
Calling this function on an AVCodecContext that hasn't been opened will free the codec-specific data allocated in avcodec_alloc_context3() with a non-NULL codec. Subsequent calls will do nothing.
Definition at line 1167 of file utils.c.
Referenced by avcodec_free_context(), avformat_find_stream_info(), read_frame_internal(), transcode(), transcode_init(), and worker().
| void avsubtitle_free | ( | AVSubtitle * | sub | ) |
Free all allocated data in the given subtitle struct.
| sub | AVSubtitle to free. |
Definition at line 1148 of file utils.c.
Referenced by avcodec_decode_subtitle2(), configure_filtergraph(), decode(), display_end_segment(), dvbsub_decode(), ffmpeg_cleanup(), frame_queue_unref_item(), process_frame(), subtitle_handler(), subtitle_thread(), transcode_subtitles(), and try_decode_frame().
| const AVBitStreamFilter* av_bsf_get_by_name | ( | const char * | name | ) |
Definition at line 84 of file bitstream_filters.c.
Referenced by aom_init(), av_bitstream_filter_init(), bsf_list_append_internal(), detect_stream_specific(), extract_extradata_check(), extract_extradata_init(), ff_stream_add_bitstream_filter(), librav1e_encode_init(), read_header(), and show_help_bsf().
| const AVBitStreamFilter* av_bsf_iterate | ( | void ** | opaque | ) |
Iterate over all registered bitstream filters.
| opaque | a pointer where libavcodec will store the iteration state. Must point to NULL to start the iteration. |
Definition at line 67 of file bitstream_filters.c.
Referenced by av_bitstream_filter_next(), av_bsf_get_by_name(), av_bsf_next(), ff_bsf_child_class_iterate(), and show_bsfs().
| int av_bsf_alloc | ( | const AVBitStreamFilter * | filter, |
| AVBSFContext ** | ctx | ||
| ) |
Allocate a context for a given bitstream filter.
The caller must fill in the context parameters as described in the documentation and then call av_bsf_init() before sending any data to the filter.
| filter | the filter for which to allocate an instance. |
| ctx | a pointer into which the pointer to the newly-allocated context will be written. It must be freed with av_bsf_free() after the filtering is done. |
Definition at line 94 of file bsf.c.
Referenced by aom_init(), av_bitstream_filter_filter(), av_bsf_get_null_filter(), av_bsf_list_finalize(), bsf_list_append_internal(), detect_stream_specific(), extract_extradata_init(), ff_stream_add_bitstream_filter(), librav1e_encode_init(), LLVMFuzzerTestOneInput(), and read_header().
| int av_bsf_init | ( | AVBSFContext * | ctx | ) |
Prepare the filter for use, after all the parameters and options have been set.
Definition at line 147 of file bsf.c.
Referenced by aom_init(), av_bitstream_filter_filter(), bsf_list_init(), detect_stream_specific(), extract_extradata_init(), ff_decode_bsfs_init(), ff_stream_add_bitstream_filter(), init_output_bsfs(), librav1e_encode_init(), LLVMFuzzerTestOneInput(), open_slave(), and read_header().
| int av_bsf_send_packet | ( | AVBSFContext * | ctx, |
| AVPacket * | pkt | ||
| ) |
Submit a packet for filtering.
After sending each packet, the filter must be completely drained by calling av_bsf_receive_packet() repeatedly until it returns AVERROR(EAGAIN) or AVERROR_EOF.
| pkt | the packet to filter. The bitstream filter will take ownership of the packet and reset the contents of pkt. pkt is not touched if an error occurs. If pkt is empty (i.e. NULL, or pkt->data is NULL and pkt->side_data_elems zero), it signals the end of the stream (i.e. no more non-empty packets will be sent; sending more empty packets does nothing) and will cause the filter to output any packets it may have buffered internally. |
Definition at line 200 of file bsf.c.
Referenced by av_bitstream_filter_filter(), avcodec_send_packet(), bsf_list_filter(), extract_extradata(), filter_packet(), librav1e_receive_packet(), LLVMFuzzerTestOneInput(), output_packet(), storeframe(), tee_write_packet(), and write_packets_from_bsfs().
| int av_bsf_receive_packet | ( | AVBSFContext * | ctx, |
| AVPacket * | pkt | ||
| ) |
Retrieve a filtered packet.
| [out] | pkt | this struct will be filled with the contents of the filtered packet. It is owned by the caller and must be freed using av_packet_unref() when it is no longer needed. This parameter should be "clean" (i.e. freshly allocated with av_packet_alloc() or unreffed with av_packet_unref()) when this function is called. If this function returns successfully, the contents of pkt will be completely overwritten by the returned data. On failure, pkt is not touched. |
Definition at line 226 of file bsf.c.
Referenced by av_bitstream_filter_filter(), bsf_list_filter(), extract_extradata(), ff_decode_get_packet(), filter_packet(), librav1e_receive_packet(), LLVMFuzzerTestOneInput(), output_packet(), storeframe(), tee_write_packet(), and write_packets_from_bsfs().
| void av_bsf_flush | ( | AVBSFContext * | ctx | ) |
Reset the internal bitstream filter state.
Should be called e.g. when seeking.
Definition at line 188 of file bsf.c.
Referenced by avcodec_flush_buffers(), bsf_list_flush(), and LLVMFuzzerTestOneInput().
| void av_bsf_free | ( | AVBSFContext ** | ctx | ) |
Free a bitstream filter context and everything associated with it; write NULL into the supplied pointer.
Definition at line 40 of file bsf.c.
Referenced by aom_free(), av_bitstream_filter_close(), av_bitstream_filter_init(), av_bsf_alloc(), av_bsf_list_free(), avcodec_close(), avcodec_open2(), avformat_find_stream_info(), bsf_list_append_internal(), bsf_list_close(), close_slave(), concat_read_close(), extract_extradata_init(), ff_decode_bsfs_init(), ff_stream_add_bitstream_filter(), ffmpeg_cleanup(), free_stream(), librav1e_encode_close(), LLVMFuzzerTestOneInput(), and read_header().
Get the AVClass for AVBSFContext.
It can be used in combination with AV_OPT_SEARCH_FAKE_OBJ for examining options.
Definition at line 89 of file bsf.c.
Referenced by show_help_default().
Allocate empty list of bitstream filters.
The list must be later freed by av_bsf_list_free() or finalized by av_bsf_list_finalize().
Definition at line 416 of file bsf.c.
Referenced by av_bsf_list_parse_str().
Free list of bitstream filters.
| lst | Pointer to pointer returned by av_bsf_list_alloc() |
Definition at line 421 of file bsf.c.
Referenced by av_bsf_list_parse_str().
| int av_bsf_list_append | ( | AVBSFList * | lst, |
| AVBSFContext * | bsf | ||
| ) |
Append bitstream filter to the list of bitstream filters.
| lst | List to append to |
| bsf | Filter context to be appended |
Definition at line 434 of file bsf.c.
Referenced by bsf_list_append_internal().
| int av_bsf_list_append2 | ( | AVBSFList * | lst, |
| const char * | bsf_name, | ||
| AVDictionary ** | options | ||
| ) |
Construct new bitstream filter context given it's name and options and append it to the list of bitstream filters.
| lst | List to append to |
| bsf_name | Name of the bitstream filter |
| options | Options for the bitstream filter, can be set to NULL |
| int av_bsf_list_finalize | ( | AVBSFList ** | lst, |
| AVBSFContext ** | bsf | ||
| ) |
Finalize list of bitstream filters.
This function will transform AVBSFList to single AVBSFContext, so the whole chain of bitstream filters can be treated as single filter freshly allocated by av_bsf_alloc(). If the call is successful, AVBSFList structure is freed and lst will be set to NULL. In case of failure, caller is responsible for freeing the structure by av_bsf_list_free()
| lst | Filter list structure to be transformed | |
| [out] | bsf | Pointer to be set to newly created AVBSFContext structure representing the chain of bitstream filters |
Definition at line 485 of file bsf.c.
Referenced by av_bsf_list_parse_str().
| int av_bsf_list_parse_str | ( | const char * | str, |
| AVBSFContext ** | bsf | ||
| ) |
Parse string describing list of bitstream filters and create single AVBSFContext describing the whole chain of bitstream filters.
Resulting AVBSFContext can be treated as any other AVBSFContext freshly allocated by av_bsf_alloc().
| str | String describing chain of bitstream filters in format bsf1[=opt1=val1:opt2=val2][,bsf2] | |
| [out] | bsf | Pointer to be set to newly created AVBSFContext structure representing the chain of bitstream filters |
Definition at line 522 of file bsf.c.
Referenced by ff_decode_bsfs_init(), new_output_stream(), and open_slave().
| int av_bsf_get_null_filter | ( | AVBSFContext ** | bsf | ) |
Get null/pass-through bitstream filter.
| [out] | bsf | Pointer to be set to new instance of pass-through bitstream filter |
Definition at line 556 of file bsf.c.
Referenced by av_bsf_list_parse_str(), and open_slave().
Iterate over all registered codecs.
| opaque | a pointer where libavcodec will store the iteration state. Must point to NULL to start the iteration. |
Definition at line 856 of file allcodecs.c.
Referenced by av_codec_init_next(), codec_child_class_iterate(), codec_child_next(), find_codec(), find_codec_by_name(), find_probe_decoder(), main(), next_codec_for_id(), and show_codec_opts().
Find a registered decoder with a matching codec ID.
| id | AVCodecID of the requested decoder |
Definition at line 943 of file allcodecs.c.
Referenced by add_input_streams(), avcodec_get_name(), avcodec_open2(), AVCodecInitialize(), choose_decoder(), cri_decode_init(), decoder_init(), dshow_cycle_formats(), ff_load_image(), filter_codec_opts(), find_codec_or_die(), find_decoder(), imm5_init(), main(), open_codec_context(), open_input_file(), open_stream(), seek_test(), show_codecs(), stream_component_open(), tdsc_init(), tiff_init(), video_decode(), and video_decode_example().
| AVCodec* avcodec_find_decoder_by_name | ( | const char * | name | ) |
Find a registered decoder with the specified name.
| name | name of the requested decoder |
Definition at line 971 of file allcodecs.c.
Referenced by find_codec_or_die(), find_probe_decoder(), main(), show_help_codec(), and stream_component_open().
Find a registered encoder with a matching codec ID.
| id | AVCodecID of the requested encoder |
Definition at line 938 of file allcodecs.c.
Referenced by add_stream(), avcodec_get_name(), avcodec_open2(), choose_encoder(), config_input(), config_props(), estimate_best_b_count(), filter_codec_opts(), find_codec_or_die(), main(), open_output_file(), and show_codecs().
| AVCodec* avcodec_find_encoder_by_name | ( | const char * | name | ) |
Find a registered encoder with the specified name.
| name | name of the requested encoder |
Definition at line 966 of file allcodecs.c.
Referenced by find_codec_or_die(), main(), and show_help_codec().
Definition at line 96 of file utils.c.
Referenced by alloc_frame_buffer(), avcodec_close(), avcodec_find_encoder(), avcodec_find_encoder_by_name(), avcodec_flush_buffers(), avcodec_open2(), avcodec_receive_packet(), avcodec_send_frame(), ff_slice_thread_init(), ff_snow_get_buffer(), init_band_stepsize(), init_prec(), main(), next_codec_for_id(), and print_codec().
Definition at line 101 of file utils.c.
Referenced by avcodec_find_decoder(), avcodec_find_decoder_by_name(), avcodec_flush_buffers(), avcodec_open2(), avcodec_receive_frame(), avcodec_send_packet(), ff_v4l2_m2m_codec_full_reinit(), find_probe_decoder(), next_codec_for_id(), v4l2_configure_contexts(), and v4l2_get_framesize_compressed().
| const AVCodecHWConfig* avcodec_get_hw_config | ( | const AVCodec * | codec, |
| int | index | ||
| ) |
Retrieve supported hardware configurations for a codec.
Values of index from zero to some maximum return the indexed configuration descriptor; all other values return NULL. If the codec does not support any hardware configurations then it will always return NULL.
Definition at line 1870 of file utils.c.
Referenced by avcodec_default_get_format(), get_format(), hw_device_match_by_codec(), hw_device_setup_for_decode(), hw_device_setup_for_encode(), main(), and print_codec().
| const AVCodecDescriptor* avcodec_descriptor_get | ( | enum AVCodecID | id | ) |
Definition at line 3487 of file codec_desc.c.
Referenced by asf_write_header1(), av_bsf_init(), avcodec_get_name(), avcodec_get_type(), avcodec_open2(), avcodec_profile_name(), ff_is_intra_only(), get_codec_name(), get_mimetype(), get_sockaddr(), ico_check_attributes(), init_muxer(), init_output_stream(), list_formats(), main(), open_output_file(), show_help_muxer(), show_stream(), transcode_init(), unsupported_codec(), and vaapi_decode_make_config().
| const AVCodecDescriptor* avcodec_descriptor_next | ( | const AVCodecDescriptor * | prev | ) |
Iterate over all codec descriptors known to libavcodec.
| prev | previous descriptor. NULL to get the first descriptor. |
Definition at line 3493 of file codec_desc.c.
Referenced by avcodec_descriptor_get_by_name(), get_codecs_sorted(), and main().
| const AVCodecDescriptor* avcodec_descriptor_get_by_name | ( | const char * | name | ) |
Definition at line 3502 of file codec_desc.c.
Referenced by find_codec_or_die(), main(), show_help_codec(), and v4l2_read_header().
| enum AVMediaType avcodec_get_type | ( | enum AVCodecID | codec_id | ) |
Get the type of the given codec.
Definition at line 3512 of file codec_desc.c.
Referenced by m4sl_cb(), mkv_query_codec(), and mxf_parse_structural_metadata().
| const char* avcodec_get_name | ( | enum AVCodecID | id | ) |
Get the name of a codec.
Definition at line 1236 of file utils.c.
Referenced by add_stream(), amv_init(), avcodec_string(), avformat_find_stream_info(), choose_encoder(), configure_filtergraph(), device_try_init(), ff_argo_asf_fill_stream(), ff_framehash_write_header(), ff_put_wav_header(), flv_init(), get_audio_flags(), get_dvb_stream_type(), get_m2ts_stream_type(), init_input_stream(), log_slave(), lrc_write_header(), mkv_init(), mkv_write_codecprivate(), mov_init(), mpeg_mux_init(), mxf_parse_structural_metadata(), read_frame_internal(), rtp_write_header(), scc_write_header(), srt_write_header(), and stream_component_open().
1.8.11
