CODEC_ID_TIERTEXSEQVIDEO,
CODEC_ID_TIFF,
CODEC_ID_GIF,
-#if LIBAVCODEC_VERSION_MAJOR == 53
- CODEC_ID_FFH264,
-#endif
CODEC_ID_DXA,
CODEC_ID_DNXHD,
CODEC_ID_THP,
CODEC_ID_INDEO5,
CODEC_ID_MIMIC,
CODEC_ID_RL2,
-#if LIBAVCODEC_VERSION_MAJOR == 53
- CODEC_ID_8SVX_EXP,
- CODEC_ID_8SVX_FIB,
-#endif
CODEC_ID_ESCAPE124,
CODEC_ID_DIRAC,
CODEC_ID_BFI,
CODEC_ID_DFA,
CODEC_ID_WMV3IMAGE,
CODEC_ID_VC1IMAGE,
-#if LIBAVCODEC_VERSION_MAJOR == 53
- CODEC_ID_G723_1,
- CODEC_ID_G729,
-#endif
CODEC_ID_UTVIDEO,
CODEC_ID_BMV_VIDEO,
CODEC_ID_VBLE,
CODEC_ID_DXTORY,
CODEC_ID_V410,
CODEC_ID_XWD,
+ CODEC_ID_CDXL,
/* various PCM "codecs" */
CODEC_ID_FIRST_AUDIO = 0x10000, ///< A dummy id pointing at the start of audio codecs
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_AAC_LATM,
CODEC_ID_QDMC,
CODEC_ID_CELT,
-#if LIBAVCODEC_VERSION_MAJOR > 53
CODEC_ID_G723_1,
CODEC_ID_G729,
CODEC_ID_8SVX_EXP,
CODEC_ID_8SVX_FIB,
-#endif
CODEC_ID_BMV_AUDIO,
/* subtitle codecs */
CODEC_ID_FFMETADATA = 0x21000, ///< Dummy codec for streams containing only metadata information.
};
-#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_LOCAL_HEADER 0x00000008 ///< Place global headers at every keyframe instead of in extradata.
#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.
-/**
- * @defgroup deprecated_flags Deprecated codec flags
- * Use corresponding private codec options instead.
- * @{
- */
-#if FF_API_MJPEG_GLOBAL_OPTS
-#define CODEC_FLAG_EXTERN_HUFF 0x1000 ///< Use external Huffman table (for MJPEG).
-#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
#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 libav*.
*/
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
* For audio, only linesize[0] may be set. For planar audio, each channel
* plane must be the same size.
*
- * - encoding: Set by user (video only)
+ * - encoding: Set by user
* - decoding: set by AVCodecContext.get_buffer()
*/
int linesize[AV_NUM_DATA_POINTERS];
*/
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
/**
* number of audio samples (per channel) described by this frame
- * - encoding: unused
+ * - encoding: Set by user
* - decoding: Set by libavcodec
*/
int nb_samples;
#define FF_BUG_DC_CLIP 4096
#define FF_BUG_MS 8192 ///< Work around various bugs in Microsoft's broken decoders.
#define FF_BUG_TRUNCATED 16384
-//#define FF_BUG_FAKE_SCALABILITY 16 //Autodetection should work 100%.
/**
* luma single coefficient elimination threshold
*/
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.
#define FF_DCT_FASTINT 1
#define FF_DCT_INT 2
#define FF_DCT_MMX 3
-#define FF_DCT_MLIB 4
#define FF_DCT_ALTIVEC 5
#define FF_DCT_FAAN 6
#define FF_IDCT_SIMPLE 2
#define FF_IDCT_SIMPLEMMX 3
#define FF_IDCT_LIBMPEG2MMX 4
-#define FF_IDCT_PS2 5
-#define FF_IDCT_MLIB 6
+#define FF_IDCT_MMI 5
#define FF_IDCT_ARM 7
#define FF_IDCT_ALTIVEC 8
#define FF_IDCT_SH4 9
*/
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.
* - decoding: unused
*/
int context_model;
-#if 0
- /**
- *
- * - encoding: unused
- * - decoding: Set by user.
- */
- uint8_t * (*realloc)(struct AVCodecContext *s, uint8_t *buf, int buf_size);
-#endif
/**
* slice flags
*/
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 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, in non drop frame format
* - encoding: Set by user.
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 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,
* This is the primary way to find a codec from the user perspective.
*/
const char *name;
+ /**
+ * Descriptive name for the codec, meant to be more human readable than name.
+ * You should use the NULL_IF_CONFIG_SMALL() macro to define it.
+ */
+ const char *long_name;
enum AVMediaType type;
enum CodecID id;
- int priv_data_size;
- int (*init)(AVCodecContext *);
- int (*encode)(AVCodecContext *, uint8_t *buf, int buf_size, void *data);
- int (*close)(AVCodecContext *);
- int (*decode)(AVCodecContext *, void *outdata, int *outdata_size, AVPacket *avpkt);
/**
* Codec capabilities.
* see CODEC_CAP_*
*/
int capabilities;
- struct AVCodec *next;
- /**
- * Flush buffers.
- * Will be called when seeking
- */
- void (*flush)(AVCodecContext *);
const AVRational *supported_framerates; ///< array of supported framerates, or NULL if any, array is terminated by {0,0}
const enum PixelFormat *pix_fmts; ///< array of supported pixel formats, or NULL if unknown, array is terminated by -1
- /**
- * Descriptive name for the codec, meant to be more human readable than name.
- * You should use the NULL_IF_CONFIG_SMALL() macro to define it.
- */
- const char *long_name;
const int *supported_samplerates; ///< array of supported audio samplerates, or NULL if unknown, array is terminated by 0
const enum AVSampleFormat *sample_fmts; ///< array of supported sample formats, or NULL if unknown, array is terminated by -1
const uint64_t *channel_layouts; ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
const AVClass *priv_class; ///< AVClass for the private context
const AVProfile *profiles; ///< array of recognized profiles, or NULL if unknown, array is terminated by {FF_PROFILE_UNKNOWN}
+ /*****************************************************************
+ * No fields below this line are part of the public API. They
+ * may not be used outside of libavcodec and can be changed and
+ * removed at will.
+ * New public fields should be added right above.
+ *****************************************************************
+ */
+ int priv_data_size;
+ struct AVCodec *next;
/**
* @name Frame-level threading support functions
* @{
*/
void (*init_static_data)(struct AVCodec *codec);
+ int (*init)(AVCodecContext *);
+ int (*encode)(AVCodecContext *, uint8_t *buf, int buf_size, void *data);
/**
* Encode data to an AVPacket.
*
*/
int (*encode2)(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame,
int *got_packet_ptr);
+ int (*decode)(AVCodecContext *, void *outdata, int *outdata_size, AVPacket *avpkt);
+ int (*close)(AVCodecContext *);
+ /**
+ * Flush buffers.
+ * Will be called when seeking
+ */
+ void (*flush)(AVCodecContext *);
} AVCodec;
/**
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
-/**
- * @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_fmt(int64_t pix_fmt_mask, 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 */
int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
*/
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.
*
*/
const char *av_get_profile_name(const AVCodec *codec, int profile);
-#if FF_API_ALLOC_CONTEXT
-/**
- * Set the fields of the given AVCodecContext to default values.
- *
- * @param s The AVCodecContext of which the fields should be set to default values.
- * @deprecated use avcodec_get_context_defaults3
- */
-attribute_deprecated
-void avcodec_get_context_defaults(AVCodecContext *s);
-
-/** THIS FUNCTION IS NOT YET PART OF THE PUBLIC API!
- * we WILL change its arguments and name a few times! */
-attribute_deprecated
-void avcodec_get_context_defaults2(AVCodecContext *s, enum AVMediaType);
-#endif
-
/**
* Set the fields of the given AVCodecContext to default values corresponding
* to the given codec (defaults may be codec-dependent).
*/
int avcodec_get_context_defaults3(AVCodecContext *s, AVCodec *codec);
-#if FF_API_ALLOC_CONTEXT
/**
* Allocate an AVCodecContext and set its fields to default values. The
- * resulting struct can be deallocated by simply calling av_free().
- *
- * @return An AVCodecContext filled with default values or NULL on failure.
- * @see avcodec_get_context_defaults
- *
- * @deprecated use avcodec_alloc_context3()
- */
-attribute_deprecated
-AVCodecContext *avcodec_alloc_context(void);
-
-/** THIS FUNCTION IS NOT YET PART OF THE PUBLIC API!
- * we WILL change its arguments and name a few times! */
-attribute_deprecated
-AVCodecContext *avcodec_alloc_context2(enum AVMediaType);
-#endif
-
-/**
- * Allocate an AVCodecContext and set its fields to default values. The
- * resulting struct can be deallocated by simply calling av_free().
+ * resulting struct can be deallocated by calling avcodec_close() on it followed
+ * by av_free().
*
* @param 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).
*
* @return An AVCodecContext filled with default values or NULL on failure.
* @see avcodec_get_context_defaults
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
-#if FF_API_AVCODEC_OPEN
-/**
- * Initialize the AVCodecContext to use the given AVCodec. Prior to using this
- * function the context has to be allocated.
- *
- * 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.
- *
- * @warning This function is not thread safe!
- *
- * @code
- * avcodec_register_all();
- * codec = avcodec_find_decoder(CODEC_ID_H264);
- * if (!codec)
- * exit(1);
- *
- * context = avcodec_alloc_context3(codec);
- *
- * if (avcodec_open(context, codec) < 0)
- * exit(1);
- * @endcode
- *
- * @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_context3, avcodec_find_decoder, avcodec_find_encoder, avcodec_close
- *
- * @deprecated use avcodec_open2
- */
-attribute_deprecated
-int avcodec_open(AVCodecContext *avctx, AVCodec *codec);
-#endif
-
/**
* Initialize the AVCodecContext to use the given AVCodec. Prior to using this
* function the context has to be allocated with avcodec_alloc_context3().
* @endcode
*
* @param avctx The context to initialize.
+ * @param codec The codec to open this context for. If a non-NULL codec has been
+ * previously passed to avcodec_alloc_context3() or
+ * avcodec_get_context_defaults3() for this context, then this
+ * parameter MUST be either NULL or equal to the previously passed
+ * codec.
* @param options A dictionary filled with AVCodecContext and codec-private options.
* On return this object will be filled with options that were not found.
*
enum AVSampleFormat sample_fmt, const uint8_t *buf,
int buf_size, int align);
+#if FF_API_OLD_ENCODE_VIDEO
/**
+ * @deprecated use avcodec_encode_video2() instead.
+ *
* Encode a video frame from pict into buf.
* The input picture should be
* stored using a specific format, namely avctx.pix_fmt.
* @return On error a negative value is returned, on success zero or the number
* of bytes used from the output buffer.
*/
+attribute_deprecated
int avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
const AVFrame *pict);
+#endif
+
+/**
+ * Encode a frame of video.
+ *
+ * Takes input raw video data 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 and reorder 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. The returned data (if any) belongs to the
+ * caller, he is responsible for freeing it.
+ * @param[in] frame AVFrame containing the raw video data to be encoded.
+ * May be NULL when flushing an encoder that has the
+ * CODEC_CAP_DELAY capability set.
+ * @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_video2(AVCodecContext *avctx, AVPacket *avpkt,
+ const AVFrame *frame, int *got_packet_ptr);
+
int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
const AVSubtitle *sub);
+/**
+ * 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() /
+ * avcodec_get_context_defaults3() with a non-NULL codec. Subsequent calls will
+ * do nothing.
+ */
int avcodec_close(AVCodecContext *avctx);
/**
/* 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.
*
*/
void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size);
+/**
+ * Allocate a buffer with padding, reusing the given one if large enough.
+ *
+ * Same behaviour av_fast_malloc but the buffer has additional
+ * FF_INPUT_PADDING_SIZE at the end which will always memset to 0.
+ *
+ */
+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.
*/
*/
const AVClass *avcodec_get_class(void);
+/**
+ * @return a positive value if s is open (i.e. avcodec_open2() was called on it
+ * with no corresponding avcodec_close()), 0 otherwise.
+ */
+int avcodec_is_open(AVCodecContext *s);
+
#endif /* AVCODEC_AVCODEC_H */
projects / ffmpeg / blobdiff