#include "libavutil/log.h"
#include "libavutil/pixfmt.h"
#include "libavutil/rational.h"
+#include "libavutil/audioconvert.h"
#include "libavcodec/version.h"
/**
CODEC_ID_VBLE,
CODEC_ID_DXTORY,
CODEC_ID_V410,
+ CODEC_ID_XWD,
CODEC_ID_Y41P = MKBETAG('Y','4','1','P'),
CODEC_ID_UTVIDEO = 0x800,
CODEC_ID_ESCAPE130 = MKBETAG('E','1','3','0'),
CODEC_ID_ADPCM_EA_MAXIS_XA,
CODEC_ID_ADPCM_IMA_ISS,
CODEC_ID_ADPCM_G722,
+ CODEC_ID_ADPCM_IMA_APC,
/* AMR */
CODEC_ID_AMR_NB = 0x12000,
CODEC_ID_MACE3,
CODEC_ID_MACE6,
CODEC_ID_VMDAUDIO,
-#if LIBAVCODEC_VERSION_MAJOR == 53
- CODEC_ID_SONIC,
- CODEC_ID_SONIC_LS,
-#endif
CODEC_ID_FLAC,
CODEC_ID_MP3ADU,
CODEC_ID_MP3ON4,
CODEC_ID_G723_1= 0x15801,
CODEC_ID_FFWAVESYNTH = MKBETAG('F','F','W','S'),
CODEC_ID_8SVX_RAW = MKBETAG('8','S','V','X'),
+ CODEC_ID_SONIC = MKBETAG('S','O','N','C'),
+ CODEC_ID_SONIC_LS = MKBETAG('S','O','N','L'),
/* subtitle codecs */
CODEC_ID_FIRST_SUBTITLE = 0x17000, ///< A dummy ID pointing at the start of subtitle codecs.
CODEC_ID_FFMETADATA = 0x21000, ///< Dummy codec for streams containing only metadata information.
};
-#if FF_API_OLD_SAMPLE_FMT
-#define SampleFormat AVSampleFormat
-
-#define SAMPLE_FMT_NONE AV_SAMPLE_FMT_NONE
-#define SAMPLE_FMT_U8 AV_SAMPLE_FMT_U8
-#define SAMPLE_FMT_S16 AV_SAMPLE_FMT_S16
-#define SAMPLE_FMT_S32 AV_SAMPLE_FMT_S32
-#define SAMPLE_FMT_FLT AV_SAMPLE_FMT_FLT
-#define SAMPLE_FMT_DBL AV_SAMPLE_FMT_DBL
-#define SAMPLE_FMT_NB AV_SAMPLE_FMT_NB
-#endif
-
-#if FF_API_OLD_AUDIOCONVERT
-#include "libavutil/audioconvert.h"
-
-/* Audio channel masks */
-#define CH_FRONT_LEFT AV_CH_FRONT_LEFT
-#define CH_FRONT_RIGHT AV_CH_FRONT_RIGHT
-#define CH_FRONT_CENTER AV_CH_FRONT_CENTER
-#define CH_LOW_FREQUENCY AV_CH_LOW_FREQUENCY
-#define CH_BACK_LEFT AV_CH_BACK_LEFT
-#define CH_BACK_RIGHT AV_CH_BACK_RIGHT
-#define CH_FRONT_LEFT_OF_CENTER AV_CH_FRONT_LEFT_OF_CENTER
-#define CH_FRONT_RIGHT_OF_CENTER AV_CH_FRONT_RIGHT_OF_CENTER
-#define CH_BACK_CENTER AV_CH_BACK_CENTER
-#define CH_SIDE_LEFT AV_CH_SIDE_LEFT
-#define CH_SIDE_RIGHT AV_CH_SIDE_RIGHT
-#define CH_TOP_CENTER AV_CH_TOP_CENTER
-#define CH_TOP_FRONT_LEFT AV_CH_TOP_FRONT_LEFT
-#define CH_TOP_FRONT_CENTER AV_CH_TOP_FRONT_CENTER
-#define CH_TOP_FRONT_RIGHT AV_CH_TOP_FRONT_RIGHT
-#define CH_TOP_BACK_LEFT AV_CH_TOP_BACK_LEFT
-#define CH_TOP_BACK_CENTER AV_CH_TOP_BACK_CENTER
-#define CH_TOP_BACK_RIGHT AV_CH_TOP_BACK_RIGHT
-#define CH_STEREO_LEFT AV_CH_STEREO_LEFT
-#define CH_STEREO_RIGHT AV_CH_STEREO_RIGHT
-
-/** Channel mask value used for AVCodecContext.request_channel_layout
- to indicate that the user requests the channel order of the decoder output
- to be the native codec channel order. */
-#define CH_LAYOUT_NATIVE AV_CH_LAYOUT_NATIVE
-
-/* Audio channel convenience macros */
-#define CH_LAYOUT_MONO AV_CH_LAYOUT_MONO
-#define CH_LAYOUT_STEREO AV_CH_LAYOUT_STEREO
-#define CH_LAYOUT_2_1 AV_CH_LAYOUT_2_1
-#define CH_LAYOUT_SURROUND AV_CH_LAYOUT_SURROUND
-#define CH_LAYOUT_4POINT0 AV_CH_LAYOUT_4POINT0
-#define CH_LAYOUT_2_2 AV_CH_LAYOUT_2_2
-#define CH_LAYOUT_QUAD AV_CH_LAYOUT_QUAD
-#define CH_LAYOUT_5POINT0 AV_CH_LAYOUT_5POINT0
-#define CH_LAYOUT_5POINT1 AV_CH_LAYOUT_5POINT1
-#define CH_LAYOUT_5POINT0_BACK AV_CH_LAYOUT_5POINT0_BACK
-#define CH_LAYOUT_5POINT1_BACK AV_CH_LAYOUT_5POINT1_BACK
-#define CH_LAYOUT_7POINT0 AV_CH_LAYOUT_7POINT0
-#define CH_LAYOUT_7POINT1 AV_CH_LAYOUT_7POINT1
-#define CH_LAYOUT_7POINT1_WIDE AV_CH_LAYOUT_7POINT1_WIDE
-#define CH_LAYOUT_STEREO_DOWNMIX AV_CH_LAYOUT_STEREO_DOWNMIX
-#endif
-
#if FF_API_OLD_DECODE_AUDIO
/* in bytes */
#define AVCODEC_MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio
AVCHROMA_LOC_NB , ///< Not part of ABI
};
-#if FF_API_FLAC_GLOBAL_OPTS
-/**
- * LPC analysis type
- */
-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_LEVINSON = 2, ///< Levinson-Durbin recursion
- AV_LPC_TYPE_CHOLESKY = 3, ///< Cholesky factorization
- AV_LPC_TYPE_NB , ///< Not part of ABI
-};
-#endif
-
enum AVAudioServiceType {
AV_AUDIO_SERVICE_TYPE_MAIN = 0,
AV_AUDIO_SERVICE_TYPE_EFFECTS = 1,
#define CODEC_FLAG2_STRICT_GOP 0x00000002 ///< Strictly enforce GOP size.
#define CODEC_FLAG2_NO_OUTPUT 0x00000004 ///< Skip bitstream encoding.
#define CODEC_FLAG2_LOCAL_HEADER 0x00000008 ///< Place global headers at every keyframe instead of in extradata.
+#define CODEC_FLAG2_DROP_FRAME_TIMECODE 0x00002000 ///< timecode is in drop frame format. DEPRECATED!!!!
#define CODEC_FLAG2_SKIP_RD 0x00004000 ///< RD optimal MB level residual skipping
#define CODEC_FLAG2_CHUNKS 0x00008000 ///< Input bitstream might be truncated at a packet boundaries instead of only at frame boundaries.
#define CODEC_FLAG2_SHOW_ALL 0x00400000 ///< Show all frames before the first keyframe
-/**
- * @defgroup deprecated_flags Deprecated codec flags
- * Use corresponding private codec options instead.
- * @{
- */
-#if FF_API_MPEGVIDEO_GLOBAL_OPTS
-#define CODEC_FLAG_OBMC 0x00000001 ///< OBMC
-#define CODEC_FLAG_H263P_AIV 0x00000008 ///< H.263 alternative inter VLC
-#define CODEC_FLAG_PART 0x0080 ///< Use data partitioning.
-#define CODEC_FLAG_ALT_SCAN 0x00100000 ///< Use alternate scan.
-#define CODEC_FLAG_H263P_UMV 0x02000000 ///< unlimited motion vector
-#define CODEC_FLAG_H263P_SLICE_STRUCT 0x10000000
-#define CODEC_FLAG_SVCD_SCAN_OFFSET 0x40000000 ///< Will reserve space for SVCD scan offset user data.
-#define CODEC_FLAG2_INTRA_VLC 0x00000800 ///< Use MPEG-2 intra VLC table.
-#define CODEC_FLAG2_DROP_FRAME_TIMECODE 0x00002000 ///< timecode is in drop frame format.
-#define CODEC_FLAG2_NON_LINEAR_QUANT 0x00010000 ///< Use MPEG-2 nonlinear quantizer.
-#endif
-#if FF_API_MJPEG_GLOBAL_OPTS
-#define CODEC_FLAG_EXTERN_HUFF 0x1000 ///< Use external Huffman table (for MJPEG).
-#endif
-#if FF_API_X264_GLOBAL_OPTS
-#define CODEC_FLAG2_BPYRAMID 0x00000010 ///< H.264 allow B-frames to be used as references.
-#define CODEC_FLAG2_WPRED 0x00000020 ///< H.264 weighted biprediction for B-frames
-#define CODEC_FLAG2_MIXED_REFS 0x00000040 ///< H.264 one reference per partition, as opposed to one reference per macroblock
-#define CODEC_FLAG2_8X8DCT 0x00000080 ///< H.264 high profile 8x8 transform
-#define CODEC_FLAG2_FASTPSKIP 0x00000100 ///< H.264 fast pskip
-#define CODEC_FLAG2_AUD 0x00000200 ///< H.264 access unit delimiters
-#define CODEC_FLAG2_BRDO 0x00000400 ///< B-frame rate-distortion optimization
-#define CODEC_FLAG2_MBTREE 0x00040000 ///< Use macroblock tree ratecontrol (x264 only)
-#define CODEC_FLAG2_PSY 0x00080000 ///< Use psycho visual optimizations.
-#define CODEC_FLAG2_SSIM 0x00100000 ///< Compute SSIM during encoding, error[] values are undefined.
-#define CODEC_FLAG2_INTRA_REFRESH 0x00200000 ///< Use periodic insertion of intra blocks instead of keyframes.
-#endif
-#if FF_API_SNOW_GLOBAL_OPTS
-#define CODEC_FLAG2_MEMC_ONLY 0x00001000 ///< Only do ME/MC (I frames -> ref, P frame -> ME+MC).
-#endif
-#if FF_API_LAME_GLOBAL_OPTS
-#define CODEC_FLAG2_BIT_RESERVOIR 0x00020000 ///< Use a bit reservoir when encoding if possible
-#endif
-/**
- * @}
- */
/* Unsupported options :
* Syntax Arithmetic coding (SAC)
* assume the buffer was allocated by avcodec_default_get_buffer.
*/
#define CODEC_CAP_DR1 0x0002
-#if FF_API_PARSE_FRAME
-/* If 'parse_only' field is true, then avcodec_parse_frame() can be used. */
-#define CODEC_CAP_PARSE_ONLY 0x0004
-#endif
#define CODEC_CAP_TRUNCATED 0x0008
/* Codec can export data for HW decoding (XvMC). */
#define CODEC_CAP_HWACCEL 0x0010
/**
- * Codec has a nonzero delay and needs to be fed with avpkt->data=NULL,
+ * 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. If this is not set, the codec is guaranteed to never be fed
- * with NULL data.
+ * 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.
*/
#define CODEC_CAP_DELAY 0x0020
/**
* Codec supports avctx->thread_count == 0 (auto).
*/
#define CODEC_CAP_AUTO_THREADS 0x8000
+/**
+ * Audio encoder supports receiving a different number of samples in each call.
+ */
+#define CODEC_CAP_VARIABLE_FRAME_SIZE 0x10000
/**
* Codec is lossless.
*/
#define FF_BUFFER_TYPE_SHARED 4 ///< Buffer from somewhere else; don't deallocate image (data/base), all other tables are not shared.
#define FF_BUFFER_TYPE_COPY 8 ///< Just a (modified) copy of some other buffer, don't deallocate anything.
-#if FF_API_OLD_FF_PICT_TYPES
-/* DEPRECATED, directly use the AV_PICTURE_TYPE_* enum values */
-#define FF_I_TYPE AV_PICTURE_TYPE_I ///< Intra
-#define FF_P_TYPE AV_PICTURE_TYPE_P ///< Predicted
-#define FF_B_TYPE AV_PICTURE_TYPE_B ///< Bi-dir predicted
-#define FF_S_TYPE AV_PICTURE_TYPE_S ///< S(GMC)-VOP MPEG4
-#define FF_SI_TYPE AV_PICTURE_TYPE_SI ///< Switching Intra
-#define FF_SP_TYPE AV_PICTURE_TYPE_SP ///< Switching Predicted
-#define FF_BI_TYPE AV_PICTURE_TYPE_BI
-#endif
-
#define FF_BUFFER_HINTS_VALID 0x01 // Buffer hints value is meaningful (if 0 ignore).
#define FF_BUFFER_HINTS_READABLE 0x02 // Codec will read from buffer.
#define FF_BUFFER_HINTS_PRESERVE 0x04 // User must not alter buffer content.
* sizeof(AVFrame) must not be used outside libavcodec.
*/
typedef struct AVFrame {
-#if FF_API_DATA_POINTERS
-#define AV_NUM_DATA_POINTERS 4
-#else
#define AV_NUM_DATA_POINTERS 8
-#endif
/**
* pointer to the picture/channel planes.
* This might be different from the first allocated byte
*/
int quality;
-#if FF_API_AVFRAME_AGE
- /**
- * @deprecated unused
- */
- attribute_deprecated int age;
-#endif
-
/**
* is this picture used as reference
* The values for this are the same as the MpegEncContext.picture_structure
*/
float b_quant_offset;
-#if FF_API_ER
- /**
- * Error recognition; higher values will detect more errors but may
- * misdetect some more or less valid parts as errors.
- * - encoding: unused
- * - decoding: Set by user.
- */
- attribute_deprecated int error_recognition;
-#define FF_ER_CAREFUL 1
-#define FF_ER_COMPLIANT 2
-#define FF_ER_AGGRESSIVE 3
-#define FF_ER_VERY_AGGRESSIVE 4
-#define FF_ER_EXPLODE 5
-#endif /* FF_API_ER */
-
/**
* Called at the beginning of each frame to get a buffer for it.
*
*/
int block_align;
-#if FF_API_PARSE_FRAME
- /**
- * If true, only parsing is done. The frame data is returned.
- * Only MPEG audio decoders support this now.
- * - encoding: unused
- * - decoding: Set by user
- */
- attribute_deprecated int parse_only;
-#endif
-
/**
* 0-> h263 quant 1-> mpeg quant
* - encoding: Set by user.
*/
int color_table_id;
-#if FF_API_INTERNAL_CONTEXT
- /**
- * internal_buffer count
- * Don't touch, used by libavcodec default_get_buffer().
- * @deprecated this field was moved to an internal context
- */
- attribute_deprecated int internal_buffer_count;
-
- /**
- * internal_buffers
- * Don't touch, used by libavcodec default_get_buffer().
- * @deprecated this field was moved to an internal context
- */
- attribute_deprecated void *internal_buffer;
-#endif
-
/**
* Global quality for codecs which cannot change it per frame.
* This should be proportional to MPEG-1/2/4 qscale.
*/
int lmax;
-#if FF_API_PALETTE_CONTROL
- /**
- * palette control structure
- * - encoding: ??? (no palette-enabled encoder yet)
- * - decoding: Set by user.
- */
- struct AVPaletteControl *palctrl;
-#endif
-
/**
* noise reduction strength
* - encoding: Set by user.
*/
int error_rate;
-#if FF_API_ANTIALIAS_ALGO
- /**
- * MP3 antialias algorithm, see FF_AA_* below.
- * - encoding: unused
- * - decoding: Set by user.
- */
- attribute_deprecated int antialias_algo;
-#define FF_AA_AUTO 0
-#define FF_AA_FASTINT 1 //not implemented yet
-#define FF_AA_INT 2
-#define FF_AA_FLOAT 3
-#endif
-
/**
* quantizer noise shaping
* - encoding: Set by user.
*/
int brd_scale;
-#if FF_API_X264_GLOBAL_OPTS
- /**
- * constant rate factor - quality-based VBR - values ~correspond to qps
- * - encoding: Set by user.
- * - decoding: unused
- * @deprecated use 'crf' libx264 private option
- */
- attribute_deprecated float crf;
-
- /**
- * constant quantization parameter rate control method
- * - encoding: Set by user.
- * - decoding: unused
- * @deprecated use 'cqp' libx264 private option
- */
- attribute_deprecated int cqp;
-#endif
-
/**
* minimum GOP size
* - encoding: Set by user.
*/
int chromaoffset;
-#if FF_API_X264_GLOBAL_OPTS
- /**
- * Influence how often B-frames are used.
- * - encoding: Set by user.
- * - decoding: unused
- */
- attribute_deprecated int bframebias;
-#endif
-
/**
* trellis RD quantization
* - encoding: Set by user.
*/
int trellis;
-#if FF_API_X264_GLOBAL_OPTS
- /**
- * Reduce fluctuations in qp (before curve compression).
- * - encoding: Set by user.
- * - decoding: unused
- */
- attribute_deprecated float complexityblur;
-
- /**
- * in-loop deblocking filter alphac0 parameter
- * alpha is in the range -6...6
- * - encoding: Set by user.
- * - decoding: unused
- */
- attribute_deprecated int deblockalpha;
-
- /**
- * in-loop deblocking filter beta parameter
- * beta is in the range -6...6
- * - encoding: Set by user.
- * - decoding: unused
- */
- attribute_deprecated int deblockbeta;
-
- /**
- * macroblock subpartition sizes to consider - p8x8, p4x4, b8x8, i8x8, i4x4
- * - encoding: Set by user.
- * - decoding: unused
- */
- attribute_deprecated int partitions;
-#define X264_PART_I4X4 0x001 /* Analyze i4x4 */
-#define X264_PART_I8X8 0x002 /* Analyze i8x8 (requires 8x8 transform) */
-#define X264_PART_P8X8 0x010 /* Analyze p16x8, p8x16 and p8x8 */
-#define X264_PART_P4X4 0x020 /* Analyze p8x4, p4x8, p4x4 */
-#define X264_PART_B8X8 0x100 /* Analyze b16x8, b8x16 and b8x8 */
-
- /**
- * direct MV prediction mode - 0 (none), 1 (spatial), 2 (temporal), 3 (auto)
- * - encoding: Set by user.
- * - decoding: unused
- */
- attribute_deprecated int directpred;
-#endif
-
/**
* Audio cutoff bandwidth (0 means "automatic")
* - encoding: Set by user.
*/
int max_prediction_order;
-#if FF_API_FLAC_GLOBAL_OPTS
- /**
- * @name FLAC options
- * @deprecated Use FLAC encoder private options instead.
- * @{
- */
-
- /**
- * LPC coefficient precision - used by FLAC encoder
- * - encoding: Set by user.
- * - decoding: unused
- */
- attribute_deprecated int lpc_coeff_precision;
-
- /**
- * search method for selecting prediction order
- * - encoding: Set by user.
- * - decoding: unused
- */
- attribute_deprecated int prediction_order_method;
-
- /**
- * - encoding: Set by user.
- * - decoding: unused
- */
- attribute_deprecated int min_partition_order;
-
- /**
- * - encoding: Set by user.
- * - decoding: unused
- */
- attribute_deprecated int max_partition_order;
- /**
- * @}
- */
-#endif
-
/**
* GOP timecode frame start number
* - encoding: Set by user, in non drop frame format
int request_channels;
#endif
-#if FF_API_DRC_SCALE
- /**
- * Percentage of dynamic range compression to be applied by the decoder.
- * The default value is 1.0, corresponding to full compression.
- * - encoding: unused
- * - decoding: Set by user.
- * @deprecated use AC3 decoder private option instead.
- */
- attribute_deprecated float drc_scale;
-#endif
-
/**
* opaque 64bit number (generally a PTS) that will be reordered and
* output in AVFrame.reordered_opaque
*/
int (*execute2)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count);
-#if FF_API_X264_GLOBAL_OPTS
- /**
- * explicit P-frame weighted prediction analysis method
- * 0: off
- * 1: fast blind weighting (one reference duplicate with -1 offset)
- * 2: smart weighting (full fade detection analysis)
- * - encoding: Set by user.
- * - decoding: unused
- */
- attribute_deprecated int weighted_p_pred;
-
- /**
- * AQ mode
- * 0: Disabled
- * 1: Variance AQ (complexity mask)
- * 2: Auto-variance AQ (experimental)
- * - encoding: Set by user
- * - decoding: unused
- */
- attribute_deprecated int aq_mode;
-
- /**
- * AQ strength
- * Reduces blocking and blurring in flat and textured areas.
- * - encoding: Set by user
- * - decoding: unused
- */
- attribute_deprecated float aq_strength;
-
- /**
- * PSY RD
- * Strength of psychovisual optimization
- * - encoding: Set by user
- * - decoding: unused
- */
- attribute_deprecated float psy_rd;
-
- /**
- * PSY trellis
- * Strength of psychovisual optimization
- * - encoding: Set by user
- * - decoding: unused
- */
- attribute_deprecated float psy_trellis;
-
- /**
- * RC lookahead
- * Number of frames for frametype and ratecontrol lookahead
- * - encoding: Set by user
- * - decoding: unused
- */
- attribute_deprecated int rc_lookahead;
-
- /**
- * Constant rate factor maximum
- * With CRF encoding mode and VBV restrictions enabled, prevents quality from being worse
- * than crf_max, even if doing so would violate VBV restrictions.
- * - encoding: Set by user.
- * - decoding: unused
- */
- attribute_deprecated float crf_max;
-#endif
-
int log_level_offset;
-#if FF_API_FLAC_GLOBAL_OPTS
- /**
- * Determine which LPC analysis algorithm to use.
- * - encoding: Set by user
- * - decoding: unused
- */
- attribute_deprecated enum AVLPCType lpc_type;
-
- /**
- * Number of passes to use for Cholesky factorization during LPC analysis
- * - encoding: Set by user
- * - decoding: unused
- */
- attribute_deprecated int lpc_passes;
-#endif
-
/**
* Number of slices.
* Indicates number of picture subdivisions. Used for parallelized
*/
AVPacket *pkt;
-#if FF_API_INTERNAL_CONTEXT
- /**
- * Whether this is a copy of the context which had init() called on it.
- * This is used by multithreading - shared tables and picture pointers
- * should be freed from the original context only.
- * - encoding: Set by libavcodec.
- * - decoding: Set by libavcodec.
- *
- * @deprecated this field has been moved to an internal context
- */
- attribute_deprecated int is_copy;
-#endif
-
/**
* Which multithreading methods to use.
* Use of FF_THREAD_FRAME will increase decoding delay by one frame per thread,
* Initialize codec static data, called from avcodec_register().
*/
void (*init_static_data)(struct AVCodec *codec);
+
+ /**
+ * Encode data to an AVPacket.
+ *
+ * @param avctx codec context
+ * @param avpkt output AVPacket (may contain a user-provided buffer)
+ * @param[in] frame AVFrame containing the raw data to be encoded
+ * @param[out] got_packet_ptr encoder sets to 0 or 1 to indicate that a
+ * non-empty packet was returned in avpkt.
+ * @return 0 on success, negative error code on failure
+ */
+ int (*encode2)(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame,
+ int *got_packet_ptr);
} AVCodec;
/**
#define AVPALETTE_SIZE 1024
#define AVPALETTE_COUNT 256
-#if FF_API_PALETTE_CONTROL
-/**
- * AVPaletteControl
- * This structure defines a method for communicating palette changes
- * between and demuxer and a decoder.
- *
- * @deprecated Use AVPacket to send palette changes instead.
- * This is totally broken.
- */
-typedef struct AVPaletteControl {
-
- /* Demuxer sets this to 1 to indicate the palette has changed;
- * decoder resets to 0. */
- int palette_changed;
-
- /* 4-byte ARGB palette entries, stored in native byte order; note that
- * the individual palette components should be on a 8-bit scale; if
- * the palette data comes from an IBM VGA native format, the component
- * data is probably 6 bits in size and needs to be scaled. */
- unsigned int palette[AVPALETTE_COUNT];
-
-} AVPaletteControl attribute_deprecated;
-#endif
enum AVSubtitleType {
SUBTITLE_NONE,
*/
const char *avcodec_get_name(enum CodecID id);
-#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);
/**
enum PixelFormat avcodec_find_best_pix_fmt2(enum PixelFormat dst_pix_fmt1, enum PixelFormat dst_pix_fmt2,
enum PixelFormat src_pix_fmt, int has_alpha, int *loss_ptr);
-#if FF_API_GET_ALPHA_INFO
-#define FF_ALPHA_TRANSP 0x0001 /* image has some totally transparent pixels */
-#define FF_ALPHA_SEMI_TRANSP 0x0002 /* image has some transparent pixels */
-
-/**
- * Tell if an image really has transparent alpha values.
- * @return ored mask of FF_ALPHA_xxx constants
- */
-attribute_deprecated
-int img_get_alpha_info(const AVPicture *src,
- enum PixelFormat pix_fmt, int width, int height);
-#endif
/* deinterlace a picture */
/* deinterlace - if not supported return -1 */
*/
const char *avcodec_license(void);
-#if FF_API_AVCODEC_INIT
-/**
- * @deprecated this function is called automatically from avcodec_register()
- * and avcodec_register_all(), there is no need to call it manually
- */
-attribute_deprecated
-void avcodec_init(void);
-#endif
-
/**
* Register the codec codec and initialize libavcodec.
*
enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat * fmt);
-#if FF_API_THREAD_INIT
-/**
- * @deprecated Set s->thread_count before calling avcodec_open2() instead of calling this.
- */
-attribute_deprecated
-int avcodec_thread_init(AVCodecContext *s, int thread_count);
-#endif
-
int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void *arg, int *ret, int count, int size);
int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int, int),void *arg, int *ret, int count);
//FIXME func typedef
* @warning The end of the input buffer avpkt->data should be set to 0 to ensure that
* no overreading happens for damaged MPEG streams.
*
+ * @warning You must not provide a custom get_buffer() when using
+ * avcodec_decode_audio3(). Doing so will override it with
+ * avcodec_default_get_buffer. Use avcodec_decode_audio4() instead,
+ * which does allow the application to provide a custom get_buffer().
+ *
* @note You might have to align the input buffer avpkt->data and output buffer
* samples. The alignment requirements depend on the CPU: On some CPUs it isn't
* necessary at all, on others it won't work at all if not aligned and on others
*/
int avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
int *got_picture_ptr,
- AVPacket *avpkt);
+ const AVPacket *avpkt);
/**
* Decode a subtitle message.
*/
void avsubtitle_free(AVSubtitle *sub);
+#if FF_API_OLD_ENCODE_AUDIO
/**
* Encode an audio frame from samples into buf.
*
+ * @deprecated Use avcodec_encode_audio2 instead.
+ *
* @note The output buffer should be at least FF_MIN_BUFFER_SIZE bytes large.
- * However, for PCM audio the user will know how much space is needed
- * because it depends on the value passed in buf_size as described
- * below. In that case a lower value can be used.
+ * However, for codecs with avctx->frame_size equal to 0 (e.g. PCM) the user
+ * will know how much space is needed because it depends on the value passed
+ * in buf_size as described below. In that case a lower value can be used.
*
* @param avctx the codec context
* @param[out] buf the output buffer
* @param[in] samples the input buffer containing the samples
* The number of samples read from this buffer is frame_size*channels,
* both of which are defined in avctx.
- * For PCM audio the number of samples read from samples is equal to
- * buf_size * input_sample_size / output_sample_size.
+ * For codecs which have avctx->frame_size equal to 0 (e.g. PCM) the number of
+ * samples read from samples is equal to:
+ * buf_size * 8 / (avctx->channels * av_get_bits_per_sample(avctx->codec_id))
+ * This also implies that av_get_bits_per_sample() must not return 0 for these
+ * codecs.
* @return On error a negative value is returned, on success zero or the number
* of bytes used to encode the data read from the input buffer.
*/
-int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size,
- const short *samples);
+int attribute_deprecated avcodec_encode_audio(AVCodecContext *avctx,
+ uint8_t *buf, int buf_size,
+ const short *samples);
+#endif
+
+/**
+ * Encode a frame of audio.
+ *
+ * Takes input samples from frame and writes the next output packet, if
+ * available, to avpkt. The output packet does not necessarily contain data for
+ * the most recent frame, as encoders can delay, split, and combine input frames
+ * internally as needed.
+ *
+ * @param avctx codec context
+ * @param avpkt output AVPacket.
+ * The user can supply an output buffer by setting
+ * avpkt->data and avpkt->size prior to calling the
+ * function, but if the size of the user-provided data is not
+ * large enough, encoding will fail. All other AVPacket fields
+ * will be reset by the encoder using av_init_packet(). If
+ * avpkt->data is NULL, the encoder will allocate it.
+ * The encoder will set avpkt->size to the size of the
+ * output packet.
+ * @param[in] frame AVFrame containing the raw audio data to be encoded.
+ * May be NULL when flushing an encoder that has the
+ * CODEC_CAP_DELAY capability set.
+ * There are 2 codec capabilities that affect the allowed
+ * values of frame->nb_samples.
+ * If CODEC_CAP_SMALL_LAST_FRAME is set, then only the final
+ * frame may be smaller than avctx->frame_size, and all other
+ * frames must be equal to avctx->frame_size.
+ * If CODEC_CAP_VARIABLE_FRAME_SIZE is set, then each frame
+ * can have any number of samples.
+ * If neither is set, frame->nb_samples must be equal to
+ * avctx->frame_size for all frames.
+ * @param[out] got_packet_ptr This field is set to 1 by libavcodec if the
+ * output packet is non-empty, and to 0 if it is
+ * empty. If the function returns an error, the
+ * packet can be assumed to be invalid, and the
+ * value of got_packet_ptr is undefined and should
+ * not be used.
+ * @return 0 on success, negative error code on failure
+ */
+int avcodec_encode_audio2(AVCodecContext *avctx, AVPacket *avpkt,
+ const AVFrame *frame, int *got_packet_ptr);
+
+/**
+ * Fill audio frame data and linesize.
+ * AVFrame extended_data channel pointers are allocated if necessary for
+ * planar audio.
+ *
+ * @param frame the AVFrame
+ * frame->nb_samples must be set prior to calling the
+ * function. This function fills in frame->data,
+ * frame->extended_data, frame->linesize[0].
+ * @param nb_channels channel count
+ * @param sample_fmt sample format
+ * @param buf buffer to use for frame data
+ * @param buf_size size of buffer
+ * @param align plane size sample alignment
+ * @return 0 on success, negative error code on failure
+ */
+int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels,
+ enum AVSampleFormat sample_fmt, const uint8_t *buf,
+ int buf_size, int align);
/**
* Encode a video frame from pict into buf.
/* misc useful functions */
-#if FF_API_OLD_FF_PICT_TYPES
-/**
- * Return a single letter to describe the given picture type pict_type.
- *
- * @param[in] pict_type the picture type
- * @return A single character representing the picture type.
- * @deprecated Use av_get_picture_type_char() instead.
- */
-attribute_deprecated
-char av_get_pict_type_char(int pict_type);
-#endif
-
/**
* Return codec bits per sample.
*
*/
int av_get_bits_per_sample(enum CodecID codec_id);
-#if FF_API_OLD_SAMPLE_FMT
-/**
- * @deprecated Use av_get_bytes_per_sample() instead.
- */
-attribute_deprecated
-int av_get_bits_per_sample_format(enum AVSampleFormat sample_fmt);
-#endif
-
/* frame parsing */
typedef struct AVCodecParserContext {
void *priv_data;
*/
void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size);
+/**
+ * Same behaviour av_fast_malloc but the buffer has additional
+ * FF_INPUT_PADDING_SIZE at the end which will will always be 0.
+ *
+ * In addition the whole buffer will initially and after resizes
+ * be 0-initialized so that no uninitialized data will ever appear.
+ */
+void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size);
+
/**
* Copy image src to dst. Wraps av_picture_data_copy() above.
*/