*/
#include <errno.h>
+#include "libavcore/samplefmt.h"
#include "libavutil/avutil.h"
+#include "libavutil/cpu.h"
#define LIBAVCODEC_VERSION_MAJOR 52
-#define LIBAVCODEC_VERSION_MINOR 68
-#define LIBAVCODEC_VERSION_MICRO 2
+#define LIBAVCODEC_VERSION_MINOR 100
+#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \
#define LIBAVCODEC_IDENT "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
-#define AV_NOPTS_VALUE INT64_C(0x8000000000000000)
-#define AV_TIME_BASE 1000000
-#define AV_TIME_BASE_Q (AVRational){1, AV_TIME_BASE}
+/**
+ * Those FF_API_* defines are not part of public API.
+ * They may change, break or disappear at any time.
+ */
+#ifndef FF_API_PALETTE_CONTROL
+#define FF_API_PALETTE_CONTROL (LIBAVCODEC_VERSION_MAJOR < 54)
+#endif
+#ifndef FF_API_MM_FLAGS
+#define FF_API_MM_FLAGS (LIBAVCODEC_VERSION_MAJOR < 53)
+#endif
+#ifndef FF_API_OPT_SHOW
+#define FF_API_OPT_SHOW (LIBAVCODEC_VERSION_MAJOR < 53)
+#endif
+#ifndef FF_API_AUDIO_OLD
+#define FF_API_AUDIO_OLD (LIBAVCODEC_VERSION_MAJOR < 53)
+#endif
+#ifndef FF_API_VIDEO_OLD
+#define FF_API_VIDEO_OLD (LIBAVCODEC_VERSION_MAJOR < 53)
+#endif
+#ifndef FF_API_SUBTITLE_OLD
+#define FF_API_SUBTITLE_OLD (LIBAVCODEC_VERSION_MAJOR < 53)
+#endif
+#ifndef FF_API_USE_LPC
+#define FF_API_USE_LPC (LIBAVCODEC_VERSION_MAJOR < 53)
+#endif
+#ifndef FF_API_SET_STRING_OLD
+#define FF_API_SET_STRING_OLD (LIBAVCODEC_VERSION_MAJOR < 53)
+#endif
+#ifndef FF_API_INOFFICIAL
+#define FF_API_INOFFICIAL (LIBAVCODEC_VERSION_MAJOR < 53)
+#endif
+#ifndef FF_API_OLD_SAMPLE_FMT
+#define FF_API_OLD_SAMPLE_FMT (LIBAVCODEC_VERSION_MAJOR < 53)
+#endif
+#ifndef FF_API_OLD_AUDIOCONVERT
+#define FF_API_OLD_AUDIOCONVERT (LIBAVCODEC_VERSION_MAJOR < 53)
+#endif
+
+#if LIBAVCODEC_VERSION_MAJOR < 53
+# define FF_INTERNALC_MEM_TYPE unsigned int
+#else
+# define FF_INTERNALC_MEM_TYPE size_t
+#endif
/**
- * Identifies the syntax and semantics of the bitstream.
+ * 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.
CODEC_ID_KGV1,
CODEC_ID_YOP,
CODEC_ID_VP8,
+ CODEC_ID_PICTOR,
+ CODEC_ID_ANSI,
+ CODEC_ID_A64_MULTI,
+ CODEC_ID_A64_MULTI5,
+ CODEC_ID_R10K,
+ CODEC_ID_MXPEG,
/* various PCM "codecs" */
CODEC_ID_PCM_S16LE= 0x10000,
CODEC_ID_PCM_F64BE,
CODEC_ID_PCM_F64LE,
CODEC_ID_PCM_BLURAY,
+ CODEC_ID_PCM_LXF,
/* various ADPCM codecs */
CODEC_ID_ADPCM_IMA_QT= 0x11000,
CODEC_ID_ADPCM_EA_XAS,
CODEC_ID_ADPCM_EA_MAXIS_XA,
CODEC_ID_ADPCM_IMA_ISS,
+ CODEC_ID_ADPCM_G722,
/* AMR */
CODEC_ID_AMR_NB= 0x12000,
CODEC_ID_ATRAC1,
CODEC_ID_BINKAUDIO_RDFT,
CODEC_ID_BINKAUDIO_DCT,
+ CODEC_ID_AAC_LATM,
/* subtitle codecs */
CODEC_ID_DVD_SUBTITLE= 0x17000,
CODEC_ID_MOV_TEXT,
CODEC_ID_HDMV_PGS_SUBTITLE,
CODEC_ID_DVB_TELETEXT,
+ CODEC_ID_SRT,
/* other specific kind of codecs (generally used for attachments) */
CODEC_ID_TTF= 0x18000,
#define CODEC_TYPE_NB AVMEDIA_TYPE_NB
#endif
-/**
- * all in native-endian format
- */
-enum SampleFormat {
- SAMPLE_FMT_NONE = -1,
- SAMPLE_FMT_U8, ///< unsigned 8 bits
- SAMPLE_FMT_S16, ///< signed 16 bits
- SAMPLE_FMT_S32, ///< signed 32 bits
- SAMPLE_FMT_FLT, ///< float
- SAMPLE_FMT_DBL, ///< double
- SAMPLE_FMT_NB ///< Number of sample formats. DO NOT USE if dynamically linking to libavcodec
-};
+#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 "libavcore/audioconvert.h"
/* Audio channel masks */
-#define CH_FRONT_LEFT 0x00000001
-#define CH_FRONT_RIGHT 0x00000002
-#define CH_FRONT_CENTER 0x00000004
-#define CH_LOW_FREQUENCY 0x00000008
-#define CH_BACK_LEFT 0x00000010
-#define CH_BACK_RIGHT 0x00000020
-#define CH_FRONT_LEFT_OF_CENTER 0x00000040
-#define CH_FRONT_RIGHT_OF_CENTER 0x00000080
-#define CH_BACK_CENTER 0x00000100
-#define CH_SIDE_LEFT 0x00000200
-#define CH_SIDE_RIGHT 0x00000400
-#define CH_TOP_CENTER 0x00000800
-#define CH_TOP_FRONT_LEFT 0x00001000
-#define CH_TOP_FRONT_CENTER 0x00002000
-#define CH_TOP_FRONT_RIGHT 0x00004000
-#define CH_TOP_BACK_LEFT 0x00008000
-#define CH_TOP_BACK_CENTER 0x00010000
-#define CH_TOP_BACK_RIGHT 0x00020000
-#define CH_STEREO_LEFT 0x20000000 ///< Stereo downmix.
-#define CH_STEREO_RIGHT 0x40000000 ///< See CH_STEREO_LEFT.
+#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 0x8000000000000000LL
+#define CH_LAYOUT_NATIVE AV_CH_LAYOUT_NATIVE
/* Audio channel convenience macros */
-#define CH_LAYOUT_MONO (CH_FRONT_CENTER)
-#define CH_LAYOUT_STEREO (CH_FRONT_LEFT|CH_FRONT_RIGHT)
-#define CH_LAYOUT_2_1 (CH_LAYOUT_STEREO|CH_BACK_CENTER)
-#define CH_LAYOUT_SURROUND (CH_LAYOUT_STEREO|CH_FRONT_CENTER)
-#define CH_LAYOUT_4POINT0 (CH_LAYOUT_SURROUND|CH_BACK_CENTER)
-#define CH_LAYOUT_2_2 (CH_LAYOUT_STEREO|CH_SIDE_LEFT|CH_SIDE_RIGHT)
-#define CH_LAYOUT_QUAD (CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_RIGHT)
-#define CH_LAYOUT_5POINT0 (CH_LAYOUT_SURROUND|CH_SIDE_LEFT|CH_SIDE_RIGHT)
-#define CH_LAYOUT_5POINT1 (CH_LAYOUT_5POINT0|CH_LOW_FREQUENCY)
-#define CH_LAYOUT_5POINT0_BACK (CH_LAYOUT_SURROUND|CH_BACK_LEFT|CH_BACK_RIGHT)
-#define CH_LAYOUT_5POINT1_BACK (CH_LAYOUT_5POINT0_BACK|CH_LOW_FREQUENCY)
-#define CH_LAYOUT_7POINT0 (CH_LAYOUT_5POINT0|CH_BACK_LEFT|CH_BACK_RIGHT)
-#define CH_LAYOUT_7POINT1 (CH_LAYOUT_5POINT1|CH_BACK_LEFT|CH_BACK_RIGHT)
-#define CH_LAYOUT_7POINT1_WIDE (CH_LAYOUT_5POINT1_BACK|\
- CH_FRONT_LEFT_OF_CENTER|CH_FRONT_RIGHT_OF_CENTER)
-#define CH_LAYOUT_STEREO_DOWNMIX (CH_STEREO_LEFT|CH_STEREO_RIGHT)
+#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
/* in bytes */
#define AVCODEC_MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio
AVCHROMA_LOC_NB , ///< Not part of ABI
};
+/**
+ * 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
+};
+
typedef struct RcOverride{
int start_frame;
int end_frame;
* as a last resort.
*/
#define CODEC_CAP_SUBFRAMES 0x0100
+/**
+ * Codec is experimental and is thus avoided in favor of non experimental
+ * encoders
+ */
+#define CODEC_CAP_EXPERIMENTAL 0x0200
+/**
+ * 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
//The following defines may change, don't expect compatibility if you use them.
#define MB_TYPE_INTRA4x4 0x0001
int8_t *ref_index[2];\
\
/**\
- * reordered opaque 64bit number (generally a PTS) from AVCodecContext.reordered_opaque\
- * output in AVFrame.reordered_opaque\
+ * reordered opaque 64bit (generally a integer or double preccission float \
+ * PTS but can be anything). \
+ * The user sets AVCodecContext.reordered_opaque to represent the input at\
+ * that time ,\
+ * the decoder reorderes values as needed and sets AVFrame.reordered_opaque\
+ * to exactly one of the values provided by the user through AVCodecContext.reordered_opaque \
* - encoding: unused\
* - decoding: Read by user.\
*/\
* the very first frame or from this keyframe.
* Is AV_NOPTS_VALUE if unknown.
* This field is not the display duration of the current packet.
+ * This field has no meaning if the packet does not have AV_PKT_FLAG_KEY
+ * set.
*
* The purpose of this field is to allow seeking in streams that have no
* keyframes in the conventional sense. It corresponds to the
/**
* Pixel format, see PIX_FMT_xxx.
+ * May be set by the demuxer if known from headers.
+ * May be overriden by the decoder if it knows better.
* - encoding: Set by user.
- * - decoding: Set by libavcodec.
+ * - decoding: Set by user if known, overridden by libavcodec if known
*/
enum PixelFormat pix_fmt;
* - encoding: Set by user.
* - decoding: Set by libavcodec.
*/
- enum SampleFormat sample_fmt; ///< sample format
+ enum AVSampleFormat sample_fmt; ///< sample format
/* The following data should not be initialized. */
/**
* - encoding: Set by user.
* - decoding: Set by user.
* Setting this to STRICT or higher means the encoder and decoder will
- * generally do stupid things. While setting it to inofficial or lower
- * will mean the encoder might use things that are not supported by all
- * spec compliant decoders. Decoders make no difference between normal,
- * inofficial and experimental, that is they always try to decode things
- * when they can unless they are explicitly asked to behave stupid
+ * generally do stupid things, whereas setting it to unofficial or lower
+ * will mean the encoder might produce output that is not supported by all
+ * spec-compliant decoders. Decoders don't differentiate between normal,
+ * unofficial and experimental (that is, they always try to decode things
+ * when they can) unless they are explicitly asked to behave stupidly
* (=strictly conform to the specs)
*/
int strict_std_compliance;
-#define FF_COMPLIANCE_VERY_STRICT 2 ///< Strictly conform to a older more strict version of the spec or reference software.
+#define FF_COMPLIANCE_VERY_STRICT 2 ///< Strictly conform to an older more strict version of the spec or reference software.
#define FF_COMPLIANCE_STRICT 1 ///< Strictly conform to all the things in the spec no matter what consequences.
#define FF_COMPLIANCE_NORMAL 0
-#define FF_COMPLIANCE_INOFFICIAL -1 ///< Allow inofficial extensions.
+#if FF_API_INOFFICIAL
+#define FF_COMPLIANCE_INOFFICIAL -1 ///< Allow inofficial extensions (deprecated - use FF_COMPLIANCE_UNOFFICIAL instead).
+#endif
+#define FF_COMPLIANCE_UNOFFICIAL -1 ///< Allow unofficial extensions
#define FF_COMPLIANCE_EXPERIMENTAL -2 ///< Allow nonstandardized experimental things.
/**
* avcodec_default_get_buffer() instead of providing buffers allocated by
* some other means.
* - encoding: unused
- * - decoding: Set by libavcodec., user can override.
+ * - decoding: Set by libavcodec, user can override.
*/
int (*get_buffer)(struct AVCodecContext *c, AVFrame *pic);
* A released buffer can be reused in get_buffer().
* pic.data[*] must be set to NULL.
* - encoding: unused
- * - decoding: Set by libavcodec., user can override.
+ * - decoding: Set by libavcodec, user can override.
*/
void (*release_buffer)(struct AVCodecContext *c, AVFrame *pic);
* result into program crash.)
*/
unsigned dsp_mask;
-#define FF_MM_FORCE 0x80000000 /* Force usage of selected flags (OR) */
- /* lower 16 bits - CPU features */
-#define FF_MM_MMX 0x0001 ///< standard MMX
-#define FF_MM_3DNOW 0x0004 ///< AMD 3DNOW
-#if LIBAVCODEC_VERSION_MAJOR < 53
-#define FF_MM_MMXEXT 0x0002 ///< SSE integer functions or AMD MMX ext
+
+#if FF_API_MM_FLAGS
+#define FF_MM_FORCE AV_CPU_FLAG_FORCE
+#define FF_MM_MMX AV_CPU_FLAG_MMX
+#define FF_MM_3DNOW AV_CPU_FLAG_3DNOW
+#define FF_MM_MMXEXT AV_CPU_FLAG_MMX2
+#define FF_MM_MMX2 AV_CPU_FLAG_MMX2
+#define FF_MM_SSE AV_CPU_FLAG_SSE
+#define FF_MM_SSE2 AV_CPU_FLAG_SSE2
+#define FF_MM_SSE2SLOW AV_CPU_FLAG_SSE2SLOW
+#define FF_MM_3DNOWEXT AV_CPU_FLAG_3DNOWEXT
+#define FF_MM_SSE3 AV_CPU_FLAG_SSE3
+#define FF_MM_SSE3SLOW AV_CPU_FLAG_SSE3SLOW
+#define FF_MM_SSSE3 AV_CPU_FLAG_SSSE3
+#define FF_MM_SSE4 AV_CPU_FLAG_SSE4
+#define FF_MM_SSE42 AV_CPU_FLAG_SSE42
+#define FF_MM_IWMMXT AV_CPU_FLAG_IWMMXT
+#define FF_MM_ALTIVEC AV_CPU_FLAG_ALTIVEC
#endif
-#define FF_MM_MMX2 0x0002 ///< SSE integer functions or AMD MMX ext
-#define FF_MM_SSE 0x0008 ///< SSE functions
-#define FF_MM_SSE2 0x0010 ///< PIV SSE2 functions
-#define FF_MM_3DNOWEXT 0x0020 ///< AMD 3DNowExt
-#define FF_MM_SSE3 0x0040 ///< Prescott SSE3 functions
-#define FF_MM_SSSE3 0x0080 ///< Conroe SSSE3 functions
-#define FF_MM_SSE4 0x0100 ///< Penryn SSE4.1 functions
-#define FF_MM_SSE42 0x0200 ///< Nehalem SSE4.2 functions
-#define FF_MM_IWMMXT 0x0100 ///< XScale IWMMXT
-#define FF_MM_ALTIVEC 0x0001 ///< standard AltiVec
/**
* bits per sample/pixel from the demuxer (needed for huffyuv).
*/
void *internal_buffer;
-#define FF_LAMBDA_SHIFT 7
-#define FF_LAMBDA_SCALE (1<<FF_LAMBDA_SHIFT)
-#define FF_QP2LAMBDA 118 ///< factor to convert from H.263 QP to lambda
-#define FF_LAMBDA_MAX (256*128-1)
-
-#define FF_QUALITY_SCALE FF_LAMBDA_SCALE //FIXME maybe remove
/**
* 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
* avcodec_default_reget_buffer() instead of providing buffers allocated by
* some other means.
* - encoding: unused
- * - decoding: Set by libavcodec., user can override
+ * - decoding: Set by libavcodec, user can override.
*/
int (*reget_buffer)(struct AVCodecContext *c, AVFrame *pic);
int compression_level;
#define FF_COMPRESSION_DEFAULT -1
+#if FF_API_USE_LPC
/**
* Sets whether to use LPC mode - used by FLAC encoder.
* - encoding: Set by user.
* - decoding: unused
+ * @deprecated Deprecated in favor of lpc_type and lpc_passes.
*/
int use_lpc;
+#endif
/**
* LPC coefficient precision - used by FLAC encoder
/**
* Bits per sample/pixel of internal libavcodec pixel/sample format.
- * This field is applicable only when sample_fmt is SAMPLE_FMT_S32.
+ * This field is applicable only when sample_fmt is AV_SAMPLE_FMT_S32.
* - encoding: set by user.
* - decoding: set by libavcodec.
*/
float crf_max;
int log_level_offset;
+
+ /**
+ * Determines which LPC analysis algorithm to use.
+ * - encoding: Set by user
+ * - decoding: unused
+ */
+ enum AVLPCType lpc_type;
+
+ /**
+ * Number of passes to use for Cholesky factorization during LPC analysis
+ * - encoding: Set by user
+ * - decoding: unused
+ */
+ int lpc_passes;
+
+ /**
+ * Number of slices.
+ * Indicates number of picture subdivisions. Used for parallelized
+ * decoding.
+ * - encoding: Set by user
+ * - decoding: unused
+ */
+ int slices;
+
+ /**
+ * Header containing style information for text subtitles.
+ * For SUBTITLE_ASS subtitle type, it should contain the whole ASS
+ * [Script Info] and [V4+ Styles] section, plus the [Events] line and
+ * the Format line following. It shouldn't include any Dialogue line.
+ * - encoding: Set/allocated/freed by user (before avcodec_open())
+ * - decoding: Set/allocated/freed by libavcodec (by avcodec_open())
+ */
+ uint8_t *subtitle_header;
+ int subtitle_header_size;
} AVCodecContext;
/**
*/
const char *long_name;
const int *supported_samplerates; ///< array of supported audio samplerates, or NULL if unknown, array is terminated by 0
- const enum SampleFormat *sample_fmts; ///< array of supported sample formats, or NULL if unknown, array is terminated by -1
+ const enum AVSampleFormat *sample_fmts; ///< array of supported sample formats, or NULL if unknown, array is terminated by -1
const int64_t *channel_layouts; ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
+ uint8_t max_lowres; ///< maximum value for lowres supported by the decoder
+ AVClass *priv_class; ///< AVClass for the private context
} AVCodec;
/**
int linesize[4]; ///< number of bytes per line
} AVPicture;
-#if LIBAVCODEC_VERSION_MAJOR < 53
+#if FF_API_PALETTE_CONTROL
/**
* AVPaletteControl
* This structure defines a method for communicating palette changes
*/
void av_shrink_packet(AVPacket *pkt, int size);
+/**
+ * Increase packet size, correctly zeroing padding
+ *
+ * @param pkt packet
+ * @param grow_by number of bytes by which to increase the size of the packet
+ */
+int av_grow_packet(AVPacket *pkt, int grow_by);
+
/**
* @warning This is a hack - the packet memory allocation stuff is broken. The
* packet is allocated if it was not really allocated.
typedef struct ReSampleContext ReSampleContext;
-#if LIBAVCODEC_VERSION_MAJOR < 53
+#if FF_API_AUDIO_OLD
/**
* @deprecated Use av_audio_resample_init() instead.
*/
int output_rate, int input_rate);
#endif
/**
- * Initializes audio resampling context
+ * Initialize audio resampling context
*
* @param output_channels number of output channels
* @param input_channels number of input channels
*/
ReSampleContext *av_audio_resample_init(int output_channels, int input_channels,
int output_rate, int input_rate,
- enum SampleFormat sample_fmt_out,
- enum SampleFormat sample_fmt_in,
+ enum AVSampleFormat sample_fmt_out,
+ enum AVSampleFormat sample_fmt_in,
int filter_length, int log2_phase_count,
int linear, double cutoff);
/**
- * Initializes an audio resampler.
+ * Initialize an audio resampler.
* Note, if either rate is not an integer then simply scale both rates up so they are.
* @param filter_length length of each FIR filter in the filterbank relative to the cutoff freq
* @param log2_phase_count log2 of the number of entries in the polyphase filterbank
struct AVResampleContext *av_resample_init(int out_rate, int in_rate, int filter_length, int log2_phase_count, int linear, double cutoff);
/**
- * resamples.
+ * Resample an array of samples using a previously configured context.
* @param src an array of unconsumed samples
* @param consumed the number of samples of src which have been consumed are returned here
* @param src_size the number of unconsumed samples available
/**
- * Compensates samplerate/timestamp drift. The compensation is done by changing
+ * Compensate samplerate/timestamp drift. The compensation is done by changing
* the resampler parameters, so no audible clicks or similar distortions occur
* @param compensation_distance distance in output samples over which the compensation should be performed
* @param sample_delta number of output samples which should be output less
#if LIBAVCODEC_VERSION_MAJOR < 53
/**
- * Returns the pixel format corresponding to the name name.
+ * Return the pixel format corresponding to the name name.
*
- * If there is no pixel format with name name, then looks for a
+ * If there is no pixel format with name name, then look for a
* pixel format with the name corresponding to the native endian
* format of name.
- * For example in a little-endian system, first looks for "gray16",
+ * For example in a little-endian system, first look for "gray16",
* then for "gray16le".
*
- * Finally if no pixel format has been found, returns PIX_FMT_NONE.
+ * Finally if no pixel format has been found, return PIX_FMT_NONE.
*
* @deprecated Deprecated in favor of av_get_pix_fmt().
*/
#endif
/**
- * Returns a value representing the fourCC code associated to the
+ * Return a value representing the fourCC code associated to the
* pixel format pix_fmt, or 0 if no associated fourCC code can be
* found.
*/
unsigned int avcodec_pix_fmt_to_codec_tag(enum PixelFormat pix_fmt);
+/**
+ * Put a string representing the codec tag codec_tag in buf.
+ *
+ * @param buf_size size in bytes of buf
+ * @return the length of the string that would have been generated if
+ * enough space had been available, excluding the trailing null
+ */
+size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_tag);
+
#define FF_LOSS_RESOLUTION 0x0001 /**< loss due to resolution change */
#define FF_LOSS_DEPTH 0x0002 /**< loss due to color depth change */
#define FF_LOSS_COLORSPACE 0x0004 /**< loss due to color space conversion */
#define FF_LOSS_CHROMA 0x0020 /**< loss of chroma (e.g. RGB to gray conversion) */
/**
- * Computes what kind of losses will occur when converting from one specific
+ * Compute what kind of losses will occur when converting from one specific
* pixel format to another.
* When converting from one pixel format to another, information loss may occur.
* For example, when converting from RGB24 to GRAY, the color information will
int has_alpha);
/**
- * Finds the best pixel format to convert to given a certain source pixel
+ * Find the best pixel format to convert to given a certain source pixel
* format. When converting from one pixel format to another, information loss
* may occur. For example, when converting from RGB24 to GRAY, the color
* information will be lost. Similarly, other losses occur when converting from
enum PixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum PixelFormat src_pix_fmt,
int has_alpha, int *loss_ptr);
-
+#if LIBAVCODEC_VERSION_MAJOR < 53
/**
- * Print in buf the string corresponding to the pixel format with
- * number pix_fmt, or an header if pix_fmt is negative.
- *
- * @param[in] buf the buffer where to write the string
- * @param[in] buf_size the size of buf
- * @param[in] pix_fmt the number of the pixel format to print the corresponding info string, or
- * a negative value to print the corresponding header.
- * Meaningful values for obtaining a pixel format info vary from 0 to PIX_FMT_NB -1.
+ * @deprecated Use av_get_pix_fmt_string() instead.
*/
+attribute_deprecated
void avcodec_pix_fmt_string (char *buf, int buf_size, enum PixelFormat pix_fmt);
+#endif
#define FF_ALPHA_TRANSP 0x0001 /* image has some totally transparent pixels */
#define FF_ALPHA_SEMI_TRANSP 0x0002 /* image has some transparent pixels */
AVCodec *av_codec_next(AVCodec *c);
/**
- * Returns the LIBAVCODEC_VERSION_INT constant.
+ * Return the LIBAVCODEC_VERSION_INT constant.
*/
unsigned avcodec_version(void);
/**
- * Returns the libavcodec build-time configuration.
+ * Return the libavcodec build-time configuration.
*/
const char *avcodec_configuration(void);
/**
- * Returns the libavcodec license.
+ * Return the libavcodec license.
*/
const char *avcodec_license(void);
/**
- * Initializes libavcodec.
+ * Initialize libavcodec.
*
* @warning This function must be called before any other libavcodec
* function.
void avcodec_register(AVCodec *codec);
/**
- * Finds a registered encoder with a matching codec ID.
+ * Find a registered encoder with a matching codec ID.
*
* @param id CodecID of the requested encoder
* @return An encoder if one was found, NULL otherwise.
AVCodec *avcodec_find_encoder(enum CodecID id);
/**
- * Finds a registered encoder with the specified name.
+ * Find a registered encoder with the specified name.
*
* @param name name of the requested encoder
* @return An encoder if one was found, NULL otherwise.
AVCodec *avcodec_find_encoder_by_name(const char *name);
/**
- * Finds a registered decoder with a matching codec ID.
+ * Find a registered decoder with a matching codec ID.
*
* @param id CodecID of the requested decoder
* @return A decoder if one was found, NULL otherwise.
AVCodec *avcodec_find_decoder(enum CodecID id);
/**
- * Finds a registered decoder with the specified name.
+ * Find a registered decoder with the specified name.
*
* @param name name of the requested decoder
* @return A decoder if one was found, NULL otherwise.
void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode);
/**
- * Sets the fields of the given AVCodecContext to default values.
+ * Set the fields of the given AVCodecContext to default values.
*
* @param s The AVCodecContext of which the fields should be set to default values.
*/
* we WILL change its arguments and name a few times! */
void avcodec_get_context_defaults2(AVCodecContext *s, enum AVMediaType);
+/** THIS FUNCTION IS NOT YET PART OF THE PUBLIC API!
+ * we WILL change its arguments and name a few times! */
+int avcodec_get_context_defaults3(AVCodecContext *s, AVCodec *codec);
+
/**
- * Allocates an AVCodecContext and sets its fields to default values. The
+ * 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.
* we WILL change its arguments and name a few times! */
AVCodecContext *avcodec_alloc_context2(enum AVMediaType);
+/** THIS FUNCTION IS NOT YET PART OF THE PUBLIC API!
+ * we WILL change its arguments and name a few times! */
+AVCodecContext *avcodec_alloc_context3(AVCodec *codec);
+
/**
* Copy the settings of the source AVCodecContext into the destination
* AVCodecContext. The resulting destination codec context will be
int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src);
/**
- * Sets the fields of the given AVFrame to default values.
+ * Set the fields of the given AVFrame to default values.
*
* @param pic The AVFrame of which the fields should be set to default values.
*/
void avcodec_get_frame_defaults(AVFrame *pic);
/**
- * Allocates an AVFrame and sets its fields to default values. The resulting
+ * Allocate an AVFrame and set its fields to default values. The resulting
* struct can be deallocated by simply calling av_free().
*
* @return An AVFrame filled with default values or NULL on failure.
int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic);
/**
- * Returns the amount of padding in pixels which the get_buffer callback must
+ * Return the amount of padding in pixels which the get_buffer callback must
* provide around the edge of the image for codecs which do not have the
* CODEC_FLAG_EMU_EDGE flag.
*
*/
unsigned avcodec_get_edge_width(void);
/**
- * Modifies width and height values so that they will result in a memory
+ * Modify width and height values so that they will result in a memory
* buffer that is acceptable for the codec if you do not use any horizontal
* padding.
+ *
+ * May only be used if a codec with CODEC_CAP_DR1 has been opened.
+ * If CODEC_FLAG_EMU_EDGE is not set, the dimensions must have been increased
+ * according to avcodec_get_edge_width() before.
*/
void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height);
/**
- * Modifies width and height values so that they will result in a memory
+ * Modify width and height values so that they will result in a memory
* buffer that is acceptable for the codec if you also ensure that all
* line sizes are a multiple of the respective linesize_align[i].
+ *
+ * May only be used if a codec with CODEC_CAP_DR1 has been opened.
+ * If CODEC_FLAG_EMU_EDGE is not set, the dimensions must have been increased
+ * according to avcodec_get_edge_width() before.
*/
void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
int linesize_align[4]);
+#if LIBAVCODEC_VERSION_MAJOR < 53
/**
- * Checks if the given dimension of a picture is valid, meaning that all
- * bytes of the picture can be addressed with a signed int.
- *
- * @param[in] w Width of the picture.
- * @param[in] h Height of the picture.
- * @return Zero if valid, a negative value if invalid.
+ * @deprecated Deprecated in favor of av_check_image_size().
*/
+attribute_deprecated
int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h);
+#endif
+
enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat * fmt);
int avcodec_thread_init(AVCodecContext *s, int thread_count);
//FIXME func typedef
/**
- * Initializes the AVCodecContext to use the given AVCodec. Prior to using this
+ * 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(),
*/
int avcodec_open(AVCodecContext *avctx, AVCodec *codec);
-#if LIBAVCODEC_VERSION_MAJOR < 53
+#if FF_API_AUDIO_OLD
/**
- * Decodes an audio frame from buf into samples.
+ * Decode an audio frame from buf into samples.
* Wrapper function which calls avcodec_decode_audio3.
*
* @deprecated Use avcodec_decode_audio3 instead.
#endif
/**
- * Decodes the audio frame of size avpkt->size from avpkt->data into samples.
+ * Decode the audio frame of size avpkt->size from avpkt->data into samples.
* Some decoders may support multiple frames in a single AVPacket, such
* decoders would then just decode the first frame. In this case,
* avcodec_decode_audio3 has to be called again with an AVPacket that contains
int *frame_size_ptr,
AVPacket *avpkt);
-#if LIBAVCODEC_VERSION_MAJOR < 53
+#if FF_API_VIDEO_OLD
/**
- * Decodes a video frame from buf into picture.
+ * Decode a video frame from buf into picture.
* Wrapper function which calls avcodec_decode_video2.
*
* @deprecated Use avcodec_decode_video2 instead.
#endif
/**
- * Decodes the video frame of size avpkt->size from avpkt->data into picture.
+ * Decode the video frame of size avpkt->size from avpkt->data into picture.
* Some decoders may support multiple frames in a single AVPacket, such
* decoders would then just decode the first frame.
*
* @param[out] picture The AVFrame in which the decoded video frame will be stored.
* Use avcodec_alloc_frame to get an AVFrame, the codec will
* allocate memory for the actual bitmap.
+ * with default get/release_buffer(), the decoder frees/reuses the bitmap as it sees fit.
+ * with overridden get/release_buffer() (needs CODEC_CAP_DR1) the user decides into what buffer the decoder
+ * decodes and the decoder tells the user once it does not need the data anymore,
+ * the user app can at this point free/reuse/keep the memory as it sees fit.
+ *
* @param[in] avpkt The input AVpacket containing the input buffer.
* You can create such packet with av_init_packet() and by then setting
* data and size, some decoders might in addition need other fields like
int *got_picture_ptr,
AVPacket *avpkt);
-#if LIBAVCODEC_VERSION_MAJOR < 53
+#if FF_API_SUBTITLE_OLD
/* Decode a subtitle message. Return -1 if error, otherwise return the
* number of bytes used. If no subtitle could be decompressed,
* got_sub_ptr is zero. Otherwise, the subtitle is stored in *sub. */
#endif
/**
- * Decodes a subtitle message.
- * Returns a negative value on error, otherwise returns the number of bytes used.
+ * Decode a subtitle message.
+ * Return a negative value on error, otherwise return the number of bytes used.
* If no subtitle could be decompressed, got_sub_ptr is zero.
* Otherwise, the subtitle is stored in *sub.
+ * Note that CODEC_CAP_DR1 is not available for subtitle codecs. This is for
+ * simplicity, because the performance difference is expect to be negligible
+ * and reusing a get_buffer written for video codecs would probably perform badly
+ * due to a potentially very different allocation pattern.
*
* @param avctx the codec context
- * @param[out] sub The AVSubtitle in which the decoded subtitle will be stored.
+ * @param[out] sub The AVSubtitle in which the decoded subtitle will be stored, must be
+ freed with avsubtitle_free if *got_sub_ptr is set.
* @param[in,out] got_sub_ptr Zero if no subtitle could be decompressed, otherwise, it is nonzero.
* @param[in] avpkt The input AVPacket containing the input buffer.
*/
int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
int *got_sub_ptr,
AVPacket *avpkt);
+
+/**
+ * Frees all allocated data in the given subtitle struct.
+ *
+ * @param sub AVSubtitle to free.
+ */
+void avsubtitle_free(AVSubtitle *sub);
+
int avcodec_parse_frame(AVCodecContext *avctx, uint8_t **pdata,
int *data_size_ptr,
uint8_t *buf, int buf_size);
/**
- * Encodes an audio frame from samples into buf.
+ * Encode an audio frame from samples into buf.
*
* @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
const short *samples);
/**
- * Encodes a video frame from pict into buf.
+ * Encode a video frame from pict into buf.
* The input picture should be
* stored using a specific format, namely avctx.pix_fmt.
*
/* misc useful functions */
/**
- * Returns a single letter to describe the given picture type pict_type.
+ * 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.
char av_get_pict_type_char(int pict_type);
/**
- * Returns codec bits per sample.
+ * Return codec bits per sample.
*
* @param[in] codec_id the codec
* @return Number of bits per sample or zero if unknown for the given codec.
*/
int av_get_bits_per_sample(enum CodecID codec_id);
+#if FF_API_OLD_SAMPLE_FMT
/**
- * Returns sample format bits per sample.
- *
- * @param[in] sample_fmt the sample format
- * @return Number of bits per sample or zero if unknown for the given sample format.
+ * @deprecated Use av_get_bits_per_sample_fmt() instead.
*/
-int av_get_bits_per_sample_format(enum SampleFormat sample_fmt);
+attribute_deprecated
+int av_get_bits_per_sample_format(enum AVSampleFormat sample_fmt);
+#endif
/* frame parsing */
typedef struct AVCodecParserContext {
int flags;
#define PARSER_FLAG_COMPLETE_FRAMES 0x0001
+#define PARSER_FLAG_ONCE 0x0002
+/// Set if the parser has a valid file offset
+#define PARSER_FLAG_FETCHED_OFFSET 0x0004
int64_t offset; ///< byte offset from starting packet start
int64_t cur_frame_end[AV_PARSER_PTS_NB];
* the very first frame or from this keyframe.
* Is AV_NOPTS_VALUE if unknown.
* This field is not the display duration of the current frame.
+ * This field has no meaning if the packet does not have AV_PKT_FLAG_KEY
+ * set.
*
* The purpose of this field is to allow seeking in streams that have no
* keyframes in the conventional sense. It corresponds to the
/* memory */
/**
- * Reallocates the given block if it is not large enough, otherwise it
- * does nothing.
+ * Reallocate the given block if it is not large enough, otherwise do nothing.
*
* @see av_realloc
*/
-void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size);
+void *av_fast_realloc(void *ptr, unsigned int *size, FF_INTERNALC_MEM_TYPE min_size);
/**
- * Allocates a buffer, reusing the given one if large enough.
+ * Allocate a buffer, reusing the given one if large enough.
*
* Contrary to av_fast_realloc the current buffer contents might not be
* preserved and on error the old buffer is freed, thus no special
* @param min_size minimum size of *ptr buffer after returning, *ptr will be NULL and
* *size 0 if an error occurred.
*/
-void av_fast_malloc(void *ptr, unsigned int *size, unsigned int min_size);
+void av_fast_malloc(void *ptr, unsigned int *size, FF_INTERNALC_MEM_TYPE min_size);
+#if LIBAVCODEC_VERSION_MAJOR < 53
/**
- * Copy image 'src' to 'dst'.
+ * @deprecated Deprecated in favor of av_image_copy().
+ */
+attribute_deprecated
+void av_picture_data_copy(uint8_t *dst_data[4], int dst_linesize[4],
+ uint8_t *src_data[4], int src_linesize[4],
+ enum PixelFormat pix_fmt, int width, int height);
+#endif
+
+/**
+ * Copy image src to dst. Wraps av_picture_data_copy() above.
*/
void av_picture_copy(AVPicture *dst, const AVPicture *src,
enum PixelFormat pix_fmt, int width, int height);
int padtop, int padbottom, int padleft, int padright, int *color);
/**
- * Encodes extradata length to a buffer. Used by xiph codecs.
+ * Encode extradata length to a buffer. Used by xiph codecs.
*
* @param s buffer to write to; must be at least (v/255+1) bytes long
* @param v size of extradata in bytes
*/
unsigned int av_xiphlacing(unsigned char *s, unsigned int v);
+#if LIBAVCODEC_VERSION_MAJOR < 53
/**
- * Parses str and put in width_ptr and height_ptr the detected values.
+ * Parse str and put in width_ptr and height_ptr the detected values.
*
- * @return 0 in case of a successful parsing, a negative value otherwise
- * @param[in] str the string to parse: it has to be a string in the format
- * <width>x<height> or a valid video frame size abbreviation.
- * @param[in,out] width_ptr pointer to the variable which will contain the detected
- * frame width value
- * @param[in,out] height_ptr pointer to the variable which will contain the detected
- * frame height value
+ * @deprecated Deprecated in favor of av_parse_video_size().
*/
-int av_parse_video_frame_size(int *width_ptr, int *height_ptr, const char *str);
+attribute_deprecated int av_parse_video_frame_size(int *width_ptr, int *height_ptr, const char *str);
/**
- * Parses str and put in frame_rate the detected values.
+ * Parse str and store the detected values in *frame_rate.
*
- * @return 0 in case of a successful parsing, a negative value otherwise
- * @param[in] str the string to parse: it has to be a string in the format
- * <frame_rate_num>/<frame_rate_den>, a float number or a valid video rate abbreviation
- * @param[in,out] frame_rate pointer to the AVRational which will contain the detected
- * frame rate
+ * @deprecated Deprecated in favor of av_parse_video_rate().
*/
-int av_parse_video_frame_rate(AVRational *frame_rate, const char *str);
+attribute_deprecated int av_parse_video_frame_rate(AVRational *frame_rate, const char *str);
+#endif
/**
* Logs a generic warning message about a missing feature. This function is
void av_log_missing_feature(void *avc, const char *feature, int want_sample);
/**
- * Logs a generic warning message asking for a sample. This function is
+ * Log a generic warning message asking for a sample. This function is
* 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
void av_log_ask_for_sample(void *avc, const char *msg);
/**
- * Registers the hardware accelerator hwaccel.
+ * Register the hardware accelerator hwaccel.
*/
void av_register_hwaccel(AVHWAccel *hwaccel);
projects / ffmpeg / blobdiff