diff options
Diffstat (limited to 'libavcodec/avcodec.h')
| -rw-r--r-- | libavcodec/avcodec.h | 96 |
1 files changed, 82 insertions, 14 deletions
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 1a45009968..4cd928dc83 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -1,20 +1,20 @@ /* * copyright (c) 2001 Fabrice Bellard * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -204,6 +204,7 @@ enum CodecID { CODEC_ID_PRORES, CODEC_ID_JV, CODEC_ID_DFA, + CODEC_ID_8SVX_RAW, /* various PCM "codecs" */ CODEC_ID_PCM_S16LE= 0x10000, @@ -334,6 +335,7 @@ enum CodecID { CODEC_ID_BINKAUDIO_DCT, CODEC_ID_AAC_LATM, CODEC_ID_QDMC, + CODEC_ID_CELT, /* subtitle codecs */ CODEC_ID_DVD_SUBTITLE= 0x17000, @@ -345,6 +347,7 @@ enum CodecID { CODEC_ID_HDMV_PGS_SUBTITLE, CODEC_ID_DVB_TELETEXT, CODEC_ID_SRT, + CODEC_ID_MICRODVD, /* other specific kind of codecs (generally used for attachments) */ CODEC_ID_TTF= 0x18000, @@ -426,7 +429,7 @@ enum CodecID { * Note: If the first 23 bits of the additional bytes are not 0, then damaged * MPEG bitstreams could cause overread and segfault. */ -#define FF_INPUT_BUFFER_PADDING_SIZE 8 +#define FF_INPUT_BUFFER_PADDING_SIZE 16 /** * minimum encoding buffer size @@ -671,10 +674,12 @@ typedef struct RcOverride{ * Codec should fill in channel configuration and samplerate instead of container */ #define CODEC_CAP_CHANNEL_CONF 0x0400 + /** * Codec is able to deal with negative linesizes */ #define CODEC_CAP_NEG_LINESIZES 0x0800 + /** * Codec supports frame-level multithreading. */ @@ -683,6 +688,10 @@ typedef struct RcOverride{ * Codec supports slice-based (or partition-based) multithreading. */ #define CODEC_CAP_SLICE_THREADS 0x2000 +/** + * Codec is lossless. + */ +#define CODEC_CAP_LOSSLESS 0x80000000 //The following defines may change, don't expect compatibility if you use them. #define MB_TYPE_INTRA4x4 0x0001 @@ -963,7 +972,7 @@ typedef struct AVPanScan{ int64_t reordered_opaque;\ \ /**\ - * hardware accelerator private data (Libav-allocated)\ + * hardware accelerator private data (FFmpeg allocated)\ * - encoding: unused\ * - decoding: Set by libavcodec\ */\ @@ -996,6 +1005,44 @@ typedef struct AVPanScan{ * - decoding: Set by libavcodec.\ */\ void *thread_opaque;\ +\ + /**\ + * frame timestamp estimated using various heuristics, in stream time base\ + * - encoding: unused\ + * - decoding: set by libavcodec, read by user.\ + */\ + int64_t best_effort_timestamp;\ +\ + /**\ + * reordered pos from the last AVPacket that has been input into the decoder\ + * - encoding: unused\ + * - decoding: Read by user.\ + */\ + int64_t pkt_pos;\ +\ + /**\ + * reordered sample aspect ratio for the video frame, 0/1 if unknown\unspecified + * - encoding: unused\ + * - decoding: Read by user.\ + */\ + AVRational sample_aspect_ratio;\ +\ + /**\ + * width and height of the video frame\ + * - encoding: unused\ + * - decoding: Read by user.\ + */\ + int width, height;\ +\ + /**\ + * format of the frame, -1 if unknown or unset\ + * It should be cast to the corresponding enum (enum PixelFormat\ + * for video, enum AVSampleFormat for audio)\ + * - encoding: unused\ + * - decoding: Read by user.\ + */\ + int format;\ + #define FF_QSCALE_TYPE_MPEG1 0 #define FF_QSCALE_TYPE_MPEG2 1 @@ -2568,7 +2615,7 @@ typedef struct AVCodecContext { /** * Audio channel layout. * - encoding: set by user. - * - decoding: set by libavcodec. + * - decoding: set by user, may be overwritten by libavcodec. */ int64_t channel_layout; @@ -2613,8 +2660,8 @@ typedef struct AVCodecContext { * Hardware accelerator context. * For some hardware accelerators, a global context needs to be * provided by the user. In that case, this holds display-dependent - * data Libav cannot instantiate itself. Please refer to the - * Libav HW accelerator documentation to know how to fill this + * data FFmpeg cannot instantiate itself. Please refer to the + * FFmpeg HW accelerator documentation to know how to fill this * is. e.g. for VA API, this is a struct vaapi_context. * - encoding: unused * - decoding: Set by user @@ -2838,11 +2885,24 @@ typedef struct AVCodecContext { enum AVAudioServiceType audio_service_type; /** - * Used to request a sample format from the decoder. - * - encoding: unused. + * desired sample format + * - encoding: Not used. * - decoding: Set by user. + * Decoder will decode to this format if it can. */ enum AVSampleFormat request_sample_fmt; + + /** + * Current statistics for PTS correction. + * - decoding: maintained and used by libavcodec, not intended to be used by user apps + * - encoding: unused + */ + int64_t pts_correction_num_faulty_pts; /// Number of incorrect PTS values so far + int64_t pts_correction_num_faulty_dts; /// Number of incorrect DTS values so far + int64_t pts_correction_last_pts; /// PTS of the last frame + int64_t pts_correction_last_dts; /// DTS of the last frame + + } AVCodecContext; /** @@ -3173,6 +3233,11 @@ uint8_t* av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type, uint8_t* av_packet_get_side_data(AVPacket *pkt, enum AVPacketSideDataType type, int *size); +int av_packet_merge_side_data(AVPacket *pkt); + +int av_packet_split_side_data(AVPacket *pkt); + + /* resample.c */ struct ReSampleContext; @@ -3332,6 +3397,9 @@ void avcodec_get_chroma_sub_sample(enum PixelFormat pix_fmt, int *h_shift, int * #if FF_API_GET_PIX_FMT_NAME /** + * Return the short name for a pixel format. + * + * \see av_get_pix_fmt(), av_get_pix_fmt_string(). * @deprecated Deprecated in favor of av_get_pix_fmt_name(). */ attribute_deprecated @@ -4123,7 +4191,7 @@ unsigned int av_xiphlacing(unsigned char *s, unsigned int v); /** * Logs a generic warning message about a missing feature. This function is - * intended to be used internally by Libav (libavcodec, libavformat, etc.) + * intended to be used internally by FFmpeg (libavcodec, libavformat, etc.) * only, and would normally not be used by applications. * @param[in] avc a pointer to an arbitrary struct of which the first field is * a pointer to an AVClass struct @@ -4137,7 +4205,7 @@ void av_log_missing_feature(void *avc, const char *feature, int want_sample); /** * Log a generic warning message asking for a sample. This function is - * intended to be used internally by Libav (libavcodec, libavformat, etc.) + * intended to be used internally by FFmpeg (libavcodec, libavformat, etc.) * only, and would normally not be used by applications. * @param[in] avc a pointer to an arbitrary struct of which the first field is * a pointer to an AVClass struct @@ -4174,7 +4242,7 @@ enum AVLockOp { * lockmgr should store/get a pointer to a user allocated mutex. It's * NULL upon AV_LOCK_CREATE and != NULL for all other ops. * - * @param cb User defined callback. Note: Libav may invoke calls to this + * @param cb User defined callback. Note: FFmpeg may invoke calls to this * callback during the call to av_lockmgr_register(). * Thus, the application must be prepared to handle that. * If cb is set to NULL the lockmgr will be unregistered. |