/*
* 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
*/
CODEC_ID_PRORES,
CODEC_ID_JV,
CODEC_ID_DFA,
+ CODEC_ID_8SVX_RAW,
/* various PCM "codecs" */
CODEC_ID_PCM_S16LE= 0x10000,
CODEC_ID_PCM_F64LE,
CODEC_ID_PCM_BLURAY,
CODEC_ID_PCM_LXF,
+ CODEC_ID_S302M,
/* various ADPCM codecs */
CODEC_ID_ADPCM_IMA_QT= 0x11000,
CODEC_ID_BINKAUDIO_DCT,
CODEC_ID_AAC_LATM,
CODEC_ID_QDMC,
+ CODEC_ID_CELT,
/* subtitle codecs */
CODEC_ID_DVD_SUBTITLE= 0x17000,
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,
* 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
AVCHROMA_LOC_NB , ///< Not part of ABI
};
+#if FF_API_FLAC_GLOBAL_OPTS
/**
* LPC analysis type
*/
-enum AVLPCType {
+attribute_deprecated enum AVLPCType {
AV_LPC_TYPE_DEFAULT = -1, ///< use the codec default LPC type
AV_LPC_TYPE_NONE = 0, ///< do not use LPC prediction or use all zero coefficients
AV_LPC_TYPE_FIXED = 1, ///< fixed LPC coefficients
AV_LPC_TYPE_CHOLESKY = 3, ///< Cholesky factorization
AV_LPC_TYPE_NB , ///< Not part of ABI
};
+#endif
enum AVAudioServiceType {
AV_AUDIO_SERVICE_TYPE_MAIN = 0,
* 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.
*/
* 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
int64_t reordered_opaque;\
\
/**\
- * hardware accelerator private data (Libav-allocated)\
+ * hardware accelerator private data (FFmpeg allocated)\
* - encoding: unused\
* - decoding: Set by libavcodec\
*/\
* - 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
#define FF_COMPRESSION_DEFAULT -1
/**
- * LPC coefficient precision - used by FLAC encoder
* - encoding: Set by user.
* - decoding: unused
*/
- int lpc_coeff_precision;
+ int min_prediction_order;
/**
* - encoding: Set by user.
* - decoding: unused
*/
- int min_prediction_order;
+ int max_prediction_order;
+
+#if FF_API_FLAC_GLOBAL_OPTS
+ /**
+ * @defgroup flac_opts FLAC options
+ * @deprecated Use FLAC encoder private options instead.
+ * @{
+ */
/**
+ * LPC coefficient precision - used by FLAC encoder
* - encoding: Set by user.
* - decoding: unused
*/
- int max_prediction_order;
+ attribute_deprecated int lpc_coeff_precision;
/**
* search method for selecting prediction order
* - encoding: Set by user.
* - decoding: unused
*/
- int prediction_order_method;
+ attribute_deprecated int prediction_order_method;
/**
* - encoding: Set by user.
* - decoding: unused
*/
- int min_partition_order;
+ attribute_deprecated int min_partition_order;
/**
* - encoding: Set by user.
* - decoding: unused
*/
- int max_partition_order;
+ attribute_deprecated int max_partition_order;
+ /**
+ * @}
+ */
+#endif
/**
* GOP timecode frame start number, in non drop frame format
/**
* Audio channel layout.
* - encoding: set by user.
- * - decoding: set by libavcodec.
+ * - decoding: set by user, may be overwritten by libavcodec.
*/
int64_t channel_layout;
* 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
int log_level_offset;
+#if FF_API_FLAC_GLOBAL_OPTS
/**
* Determines which LPC analysis algorithm to use.
* - encoding: Set by user
* - decoding: unused
*/
- enum AVLPCType lpc_type;
+ attribute_deprecated enum AVLPCType lpc_type;
/**
* Number of passes to use for Cholesky factorization during LPC analysis
* - encoding: Set by user
* - decoding: unused
*/
- int lpc_passes;
+ attribute_deprecated int lpc_passes;
+#endif
/**
* Number of slices.
* - decoding: Set by libavcodec.
*/
enum AVAudioServiceType audio_service_type;
+
+ /**
+ * 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;
/**
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;
void av_resample_close(struct AVResampleContext *c);
/**
- * Allocate memory for a picture. Call avpicture_free to free it.
+ * Allocate memory for a picture. Call avpicture_free() to free it.
+ *
+ * @see avpicture_fill()
*
* @param picture the picture to be filled in
* @param pix_fmt the format of the picture
/**
* Free a picture previously allocated by avpicture_alloc().
+ * The data buffer used by the AVPicture is freed, but the AVPicture structure
+ * itself is not.
*
* @param picture the AVPicture to be freed
*/
* will be stored in the lines_sizes array.
* Call with ptr == NULL to get the required size for the ptr buffer.
*
+ * To allocate the buffer and fill in the AVPicture fields in one call,
+ * use avpicture_alloc().
+ *
* @param picture AVPicture whose fields are to be filled in
* @param ptr Buffer which will contain or contains the actual image data
* @param pix_fmt The format in which the picture data is stored.
*/
int avpicture_fill(AVPicture *picture, uint8_t *ptr,
enum PixelFormat pix_fmt, int width, int height);
+
+/**
+ * Copy pixel data from an AVPicture into a buffer.
+ * The data is stored compactly, without any gaps for alignment or padding
+ * which may be applied by avpicture_fill().
+ *
+ * @see avpicture_get_size()
+ *
+ * @param[in] src AVPicture containing image data
+ * @param[in] pix_fmt The format in which the picture data is stored.
+ * @param[in] width the width of the image in pixels.
+ * @param[in] height the height of the image in pixels.
+ * @param[out] dest A buffer into which picture data will be copied.
+ * @param[in] dest_size The size of 'dest'.
+ * @return The number of bytes written to dest, or a negative value (error code) on error.
+ */
int avpicture_layout(const AVPicture* src, enum PixelFormat pix_fmt, int width, int height,
unsigned char *dest, int dest_size);
* Calculate the size in bytes that a picture of the given width and height
* would occupy if stored in the given picture format.
* Note that this returns the size of a compact representation as generated
- * by avpicture_layout, which can be smaller than the size required for e.g.
- * avpicture_fill.
+ * by avpicture_layout(), which can be smaller than the size required for e.g.
+ * avpicture_fill().
*
* @param pix_fmt the given picture format
* @param width the width of the image
*/
int avpicture_get_size(enum PixelFormat pix_fmt, int width, int height);
void avcodec_get_chroma_sub_sample(enum PixelFormat pix_fmt, int *h_shift, int *v_shift);
+
+#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
const char *avcodec_get_pix_fmt_name(enum PixelFormat pix_fmt);
+#endif
+
void avcodec_set_dimensions(AVCodecContext *s, int width, int height);
/**
/**
* Initialize libavcodec.
+ * If called more than once, does nothing.
*
* @warning This function must be called before any other libavcodec
* function.
+ *
+ * @warning This function is not thread-safe.
*/
void avcodec_init(void);
/**
* Register the codec codec and initialize libavcodec.
*
- * @see avcodec_init()
+ * @see avcodec_init(), avcodec_register_all()
*/
void avcodec_register(AVCodec *codec);
* @param avctx The context which will be set up to use the given codec.
* @param codec The codec to use within the context.
* @return zero on success, a negative value on error
- * @see avcodec_alloc_context, avcodec_find_decoder, avcodec_find_encoder
+ * @see avcodec_alloc_context, avcodec_find_decoder, avcodec_find_encoder, avcodec_close
*/
int avcodec_open(AVCodecContext *avctx, AVCodec *codec);
int64_t offset; ///< byte offset from starting packet start
int64_t cur_frame_end[AV_PARSER_PTS_NB];
- /*!
+ /**
* Set by parser to 1 for key frames and 0 for non-key frames.
* It is initialized to -1, so if the parser doesn't set this flag,
- * old-style fallback using FF_I_TYPE picture type as key frames
+ * old-style fallback using AV_PICTURE_TYPE_I picture type as key frames
* will be used.
*/
int key_frame;
/**
* 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
/**
* 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
* @param[in] msg string containing an optional message, or NULL if no message
*/
-void av_log_ask_for_sample(void *avc, const char *msg, ...);
+void av_log_ask_for_sample(void *avc, const char *msg, ...) av_printf_format(2, 3);
/**
* Register the hardware accelerator hwaccel.
* 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.
projects / ffmpeg / blobdiff