#include "libavutil/avutil.h"
#define LIBAVCODEC_VERSION_MAJOR 52
-#define LIBAVCODEC_VERSION_MINOR 21
+#define LIBAVCODEC_VERSION_MINOR 29
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
CODEC_ID_TGV,
CODEC_ID_TGQ,
CODEC_ID_TQI,
+ CODEC_ID_AURA,
+ CODEC_ID_AURA2,
+ CODEC_ID_V210X,
+ CODEC_ID_TMV,
+ CODEC_ID_V210,
/* various PCM "codecs" */
CODEC_ID_PCM_S16LE= 0x10000,
CODEC_ID_EAC3,
CODEC_ID_SIPR,
CODEC_ID_MP1,
+ CODEC_ID_TWINVQ,
+ CODEC_ID_TRUEHD,
+ CODEC_ID_MP4ALS,
/* subtitle codecs */
CODEC_ID_DVD_SUBTITLE= 0x17000,
/* 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_7POINT1 (CH_LAYOUT_5POINT1|CH_BACK_LEFT|CH_BACK_RIGHT)
-#define CH_LAYOUT_7POINT1_WIDE (CH_LAYOUT_SURROUND|CH_LOW_FREQUENCY|\
- 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)
AVDISCARD_ALL = 48, ///< discard all
};
+enum AVColorPrimaries{
+ AVCOL_PRI_BT709 =1, ///< also ITU-R BT1361 / IEC 61966-2-4 / SMPTE RP177 Annex B
+ AVCOL_PRI_UNSPECIFIED=2,
+ AVCOL_PRI_BT470M =4,
+ AVCOL_PRI_BT470BG =5, ///< also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM
+ AVCOL_PRI_SMPTE170M =6, ///< also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
+ AVCOL_PRI_SMPTE240M =7, ///< functionally identical to above
+ AVCOL_PRI_FILM =8,
+ AVCOL_PRI_NB , ///< Not part of ABI
+};
+
+enum AVColorTransferCharacteristic{
+ AVCOL_TRC_BT709 =1, ///< also ITU-R BT1361
+ AVCOL_TRC_UNSPECIFIED=2,
+ AVCOL_TRC_GAMMA22 =4, ///< also ITU-R BT470M / ITU-R BT1700 625 PAL & SECAM
+ AVCOL_TRC_GAMMA28 =5, ///< also ITU-R BT470BG
+ AVCOL_TRC_NB , ///< Not part of ABI
+};
+
+enum AVColorSpace{
+ AVCOL_SPC_RGB =0,
+ AVCOL_SPC_BT709 =1, ///< also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
+ AVCOL_SPC_UNSPECIFIED=2,
+ AVCOL_SPC_FCC =4,
+ AVCOL_SPC_BT470BG =5, ///< also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601
+ AVCOL_SPC_SMPTE170M =6, ///< also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC / functionally identical to above
+ AVCOL_SPC_SMPTE240M =7,
+ AVCOL_SPC_NB , ///< Not part of ABI
+};
+
+enum AVColorRange{
+ AVCOL_RANGE_UNSPECIFIED=0,
+ AVCOL_RANGE_MPEG =1, ///< the normal 219*2^(n-8) "MPEG" YUV ranges
+ AVCOL_RANGE_JPEG =2, ///< the normal 2^n-1 "JPEG" YUV ranges
+ AVCOL_RANGE_NB , ///< Not part of ABI
+};
+
+/**
+ * X X 3 4 X X are luma samples,
+ * 1 2 1-6 are possible chroma positions
+ * X X 5 6 X 0 is undefined/unknown position
+ */
+enum AVChromaLocation{
+ AVCHROMA_LOC_UNSPECIFIED=0,
+ AVCHROMA_LOC_LEFT =1, ///< mpeg2/4, h264 default
+ AVCHROMA_LOC_CENTER =2, ///< mpeg1, jpeg, h263
+ AVCHROMA_LOC_TOPLEFT =3, ///< DV
+ AVCHROMA_LOC_TOP =4,
+ AVCHROMA_LOC_BOTTOMLEFT =5,
+ AVCHROMA_LOC_BOTTOM =6,
+ AVCHROMA_LOC_NB , ///< Not part of ABI
+};
+
typedef struct RcOverride{
int start_frame;
int end_frame;
* - decoding: Read by user.\
*/\
int64_t reordered_opaque;\
+\
+ /**\
+ * hardware accelerator private data (FFmpeg allocated)\
+ * - encoding: unused\
+ * - decoding: Set by libavcodec\
+ */\
+ void *hwaccel_picture_private;\
#define FF_QSCALE_TYPE_MPEG1 0
#define FF_BUFFER_HINTS_PRESERVE 0x04 // User must not alter buffer content.
#define FF_BUFFER_HINTS_REUSABLE 0x08 // Codec will reuse the buffer (update).
+typedef struct AVPacket {
+ /**
+ * Presentation timestamp in AVStream->time_base units; the time at which
+ * the decompressed packet will be presented to the user.
+ * Can be AV_NOPTS_VALUE if it is not stored in the file.
+ * pts MUST be larger or equal to dts as presentation cannot happen before
+ * decompression, unless one wants to view hex dumps. Some formats misuse
+ * the terms dts and pts/cts to mean something different. Such timestamps
+ * must be converted to true pts/dts before they are stored in AVPacket.
+ */
+ int64_t pts;
+ /**
+ * Decompression timestamp in AVStream->time_base units; the time at which
+ * the packet is decompressed.
+ * Can be AV_NOPTS_VALUE if it is not stored in the file.
+ */
+ int64_t dts;
+ uint8_t *data;
+ int size;
+ int stream_index;
+ int flags;
+ /**
+ * Duration of this packet in AVStream->time_base units, 0 if unknown.
+ * Equals next_pts - this_pts in presentation order.
+ */
+ int duration;
+ void (*destruct)(struct AVPacket *);
+ void *priv;
+ int64_t pos; ///< byte position in stream, -1 if unknown
+
+ /**
+ * Time difference in AVStream->time_base units from the pts of this
+ * packet to the point at which the output from the decoder has converged
+ * independent from the availability of previous frames. That is, the
+ * frames are virtually identical no matter if decoding started from
+ * 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.
+ *
+ * The purpose of this field is to allow seeking in streams that have no
+ * keyframes in the conventional sense. It corresponds to the
+ * recovery point SEI in H.264 and match_time_delta in NUT. It is also
+ * essential for some types of subtitle streams to ensure that all
+ * subtitles are correctly displayed after seeking.
+ */
+ int64_t convergence_duration;
+} AVPacket;
+#define PKT_FLAG_KEY 0x0001
+
/**
* Audio Video Frame.
* New fields can be added to the end of FF_COMMON_FRAME with minor version
/* 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
+#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
* Set to time_base ticks per frame. Default 1, e.g., H.264/MPEG-2 set it to 2.
*/
int ticks_per_frame;
+
+ /**
+ * Hardware accelerator context.
+ * For some hardware accelerators, a global context needs to be
+ * provided by the user. In that case, this holds display-dependent
+ * data FFmpeg cannot instantiate itself. Please refer to the
+ * FFmpeg HW accelerator documentation to know how to fill this
+ * is. e.g. for VA API, this is a struct vaapi_context.
+ * - encoding: unused
+ * - decoding: Set by user
+ */
+ void *hwaccel_context;
+
+ /**
+ * Chromaticity coordinates of the source primaries.
+ * - encoding: Set by user
+ * - decoding: Set by libavcodec
+ */
+ enum AVColorPrimaries color_primaries;
+
+ /**
+ * Color Transfer Characteristic.
+ * - encoding: Set by user
+ * - decoding: Set by libavcodec
+ */
+ enum AVColorTransferCharacteristic color_trc;
+
+ /**
+ * YUV colorspace type.
+ * - encoding: Set by user
+ * - decoding: Set by libavcodec
+ */
+ enum AVColorSpace colorspace;
+
+ /**
+ * MPEG vs JPEG YUV range.
+ * - encoding: Set by user
+ * - decoding: Set by libavcodec
+ */
+ enum AVColorRange color_range;
+
+ /**
+ * This defines the location of chroma samples.
+ * - encoding: Set by user
+ * - decoding: Set by libavcodec
+ */
+ enum AVChromaLocation chroma_sample_location;
} AVCodecContext;
/**
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,
- const uint8_t *buf, int buf_size);
+ int (*decode)(AVCodecContext *, void *outdata, int *outdata_size, AVPacket *avpkt);
/**
* Codec capabilities.
* see CODEC_CAP_*
* @return zero if successful, a negative value otherwise
*/
int (*end_frame)(AVCodecContext *avctx);
+
+ /**
+ * Size of HW accelerator private data.
+ *
+ * Private data is allocated with av_mallocz() before
+ * AVCodecContext.get_buffer() and deallocated after
+ * AVCodecContext.release_buffer().
+ */
+ int priv_data_size;
} AVHWAccel;
/**
int linesize[4]; ///< number of bytes per line
} AVPicture;
+#if LIBAVCODEC_VERSION_MAJOR < 53
/**
* AVPaletteControl
* This structure defines a method for communicating palette changes
unsigned int palette[AVPALETTE_COUNT];
} AVPaletteControl attribute_deprecated;
+#endif
enum AVSubtitleType {
SUBTITLE_NONE,
AVSubtitleRect **rects;
} AVSubtitle;
+/* packet functions */
+
+/**
+ * @deprecated use NULL instead
+ */
+attribute_deprecated void av_destruct_packet_nofree(AVPacket *pkt);
+
+/**
+ * Default packet destructor.
+ */
+void av_destruct_packet(AVPacket *pkt);
+
+/**
+ * Initialize optional fields of a packet with default values.
+ *
+ * @param pkt packet
+ */
+void av_init_packet(AVPacket *pkt);
+
+/**
+ * Allocate the payload of a packet and initialize its fields with
+ * default values.
+ *
+ * @param pkt packet
+ * @param size wanted payload size
+ * @return 0 if OK, AVERROR_xxx otherwise
+ */
+int av_new_packet(AVPacket *pkt, int size);
+
+/**
+ * Reduce packet size, correctly zeroing padding
+ *
+ * @param pkt packet
+ * @param size new size
+ */
+void av_shrink_packet(AVPacket *pkt, int size);
+
+/**
+ * @warning This is a hack - the packet memory allocation stuff is broken. The
+ * packet is allocated if it was not really allocated.
+ */
+int av_dup_packet(AVPacket *pkt);
+
+/**
+ * Free a packet.
+ *
+ * @param pkt packet to free
+ */
+void av_free_packet(AVPacket *pkt);
/* resample.c */
* @param height the height of the picture
* @return zero if successful, a negative value if not
*/
-int avpicture_alloc(AVPicture *picture, int pix_fmt, int width, int height);
+int avpicture_alloc(AVPicture *picture, enum PixelFormat pix_fmt, int width, int height);
/**
* Free a picture previously allocated by avpicture_alloc().
* If a planar format is specified, several pointers will be set pointing to
* the different picture planes and the line sizes of the different planes
* will be stored in the lines_sizes array.
+ * Call with ptr == NULL to get the required size for the ptr buffer.
*
* @param picture AVPicture whose fields are to be filled in
* @param ptr Buffer which will contain or contains the actual image data
*/
int avpicture_fill(AVPicture *picture, uint8_t *ptr,
int pix_fmt, int width, int height);
-int avpicture_layout(const AVPicture* src, int pix_fmt, int width, int height,
+int avpicture_layout(const AVPicture* src, enum PixelFormat pix_fmt, int width, int height,
unsigned char *dest, int dest_size);
/**
* Calculate the size in bytes that a picture of the given width and height
* would occupy if stored in the given picture format.
+ * Note that this returns the size of a compact representation as generated
+ * by avpicture_layout, which can be smaller than the size required for e.g.
+ * avpicture_fill.
*
* @param pix_fmt the given picture format
* @param width the width of the image
* @param height the height of the image
- * @return Image data size in bytes
+ * @return Image data size in bytes or -1 on error (e.g. too large dimensions).
*/
-int avpicture_get_size(int pix_fmt, int width, int height);
-void avcodec_get_chroma_sub_sample(int pix_fmt, int *h_shift, int *v_shift);
-const char *avcodec_get_pix_fmt_name(int pix_fmt);
+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);
+const char *avcodec_get_pix_fmt_name(enum PixelFormat pix_fmt);
void avcodec_set_dimensions(AVCodecContext *s, int width, int height);
+
+/**
+ * Returns the pixel format corresponding to the name \p name.
+ *
+ * If there is no pixel format with name \p name, then looks for a
+ * pixel format with the name corresponding to the native endian
+ * format of \p name.
+ * For example in a little-endian system, first looks for "gray16",
+ * then for "gray16le".
+ *
+ * Finally if no pixel format has been found, returns \c PIX_FMT_NONE.
+ */
enum PixelFormat avcodec_get_pix_fmt(const char* name);
unsigned int avcodec_pix_fmt_to_codec_tag(enum PixelFormat p);
* @param[in] has_alpha Whether the source pixel format alpha channel is used.
* @return Combination of flags informing you what kind of losses will occur.
*/
-int avcodec_get_pix_fmt_loss(int dst_pix_fmt, int src_pix_fmt,
+int avcodec_get_pix_fmt_loss(enum PixelFormat dst_pix_fmt, enum PixelFormat src_pix_fmt,
int has_alpha);
/**
* @param[out] loss_ptr Combination of flags informing you what kind of losses will occur.
* @return The best pixel format to convert to or -1 if none was found.
*/
-int avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, int src_pix_fmt,
+enum PixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum PixelFormat src_pix_fmt,
int has_alpha, int *loss_ptr);
* a negative value to print the corresponding header.
* Meaningful values for obtaining a pixel format info vary from 0 to PIX_FMT_NB -1.
*/
-void avcodec_pix_fmt_string (char *buf, int buf_size, int pix_fmt);
+void avcodec_pix_fmt_string (char *buf, int buf_size, enum PixelFormat pix_fmt);
#define FF_ALPHA_TRANSP 0x0001 /* image has some totally transparent pixels */
#define FF_ALPHA_SEMI_TRANSP 0x0002 /* image has some transparent pixels */
* @return ored mask of FF_ALPHA_xxx constants
*/
int img_get_alpha_info(const AVPicture *src,
- int pix_fmt, int width, int height);
+ enum PixelFormat pix_fmt, int width, int height);
/* deinterlace a picture */
/* deinterlace - if not supported return -1 */
int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
- int pix_fmt, int width, int height);
+ enum PixelFormat pix_fmt, int width, int height);
/* external high level API */
*/
int avcodec_open(AVCodecContext *avctx, AVCodec *codec);
+#if LIBAVCODEC_VERSION_MAJOR < 53
/**
* Decodes an audio frame from \p buf into \p samples.
- * The avcodec_decode_audio2() function decodes an audio frame from the input
- * buffer \p buf of size \p buf_size. To decode it, it makes use of the
- * audio codec which was coupled with \p avctx using avcodec_open(). The
- * resulting decoded frame is stored in output buffer \p samples. If no frame
+ * Wrapper function which calls avcodec_decode_audio3.
+ *
+ * @deprecated Use avcodec_decode_audio3 instead.
+ * @param avctx the codec context
+ * @param[out] samples the output buffer
+ * @param[in,out] frame_size_ptr the output buffer size in bytes
+ * @param[in] buf the input buffer
+ * @param[in] buf_size the input buffer size in bytes
+ * @return On error a negative value is returned, otherwise the number of bytes
+ * used or zero if no frame could be decompressed.
+ */
+attribute_deprecated int avcodec_decode_audio2(AVCodecContext *avctx, int16_t *samples,
+ int *frame_size_ptr,
+ const uint8_t *buf, int buf_size);
+#endif
+
+/**
+ * Decodes 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.
+ * If no frame
* could be decompressed, \p frame_size_ptr is zero. Otherwise, it is the
* decompressed frame size in \e bytes.
*
* @warning You \e must set \p frame_size_ptr to the allocated size of the
- * output buffer before calling avcodec_decode_audio2().
+ * output buffer before calling avcodec_decode_audio3().
*
* @warning The input buffer must be \c FF_INPUT_BUFFER_PADDING_SIZE larger than
* the actual read bytes because some optimized bitstream readers read 32 or 64
* bits at once and could read over the end.
*
- * @warning The end of the input buffer \p buf should be set to 0 to ensure that
+ * @warning The end of the input buffer \p avpkt->data should be set to 0 to ensure that
* no overreading happens for damaged MPEG streams.
*
- * @note You might have to align the input buffer \p buf and output buffer \p
+ * @note You might have to align the input buffer \p avpkt->data and output buffer \p
* 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
* it will work but it will have an impact on performance. In practice, the
* @param avctx the codec context
* @param[out] samples the output buffer
* @param[in,out] frame_size_ptr the output buffer size in bytes
- * @param[in] buf the input buffer
- * @param[in] buf_size the input buffer size in bytes
+ * @param[in] avpkt The input AVPacket containing the input buffer.
* @return On error a negative value is returned, otherwise the number of bytes
* used or zero if no frame could be decompressed.
*/
-int avcodec_decode_audio2(AVCodecContext *avctx, int16_t *samples,
+int avcodec_decode_audio3(AVCodecContext *avctx, int16_t *samples,
int *frame_size_ptr,
- const uint8_t *buf, int buf_size);
+ AVPacket *avpkt);
+#if LIBAVCODEC_VERSION_MAJOR < 53
/**
* Decodes a video frame from \p buf into \p picture.
- * The avcodec_decode_video() function decodes a video frame from the input
- * buffer \p buf of size \p buf_size. To decode it, it makes use of the
- * video codec which was coupled with \p avctx using avcodec_open(). The
- * resulting decoded frame is stored in \p picture.
+ * Wrapper function which calls avcodec_decode_video2.
+ *
+ * @deprecated Use avcodec_decode_video2 instead.
+ * @param avctx the codec context
+ * @param[out] picture The AVFrame in which the decoded video frame will be stored.
+ * @param[in] buf the input buffer
+ * @param[in] buf_size the size of the input buffer in bytes
+ * @param[in,out] got_picture_ptr Zero if no frame could be decompressed, otherwise, it is nonzero.
+ * @return On error a negative value is returned, otherwise the number of bytes
+ * used or zero if no frame could be decompressed.
+ */
+attribute_deprecated int avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture,
+ int *got_picture_ptr,
+ const uint8_t *buf, int buf_size);
+#endif
+
+/**
+ * Decodes 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.
*
* @warning The input buffer must be \c FF_INPUT_BUFFER_PADDING_SIZE larger than
* the actual read bytes because some optimized bitstream readers read 32 or 64
* @warning The end of the input buffer \p buf should be set to 0 to ensure that
* no overreading happens for damaged MPEG streams.
*
- * @note You might have to align the input buffer \p buf and output buffer \p
+ * @note You might have to align the input buffer \p avpkt->data and output buffer \p
* 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
* it will work but it will have an impact on performance. In practice, the
* start of the buffer to 16.
*
* @note Some codecs have a delay between input and output, these need to be
- * feeded with buf=NULL, buf_size=0 at the end to return the remaining frames.
+ * feeded with avpkt->data=NULL, avpkt->size=0 at the end to return the remaining frames.
*
* @param avctx the codec context
* @param[out] picture The AVFrame in which the decoded video frame will be stored.
- * @param[in] buf the input buffer
- * @param[in] buf_size the size of the input buffer in bytes
+ * @param[in] avpkt The input AVpacket containing the input buffer.
* @param[in,out] got_picture_ptr Zero if no frame could be decompressed, otherwise, it is nonzero.
* @return On error a negative value is returned, otherwise the number of bytes
* used or zero if no frame could be decompressed.
*/
-int avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture,
+int avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
int *got_picture_ptr,
- const uint8_t *buf, int buf_size);
+ AVPacket *avpkt);
+#if LIBAVCODEC_VERSION_MAJOR < 53
/* 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. */
-int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub,
+attribute_deprecated int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub,
int *got_sub_ptr,
const uint8_t *buf, int buf_size);
+#endif
+
+/**
+ * Decodes a subtitle message.
+ * Returns a negative value on error, otherwise returns the number of bytes used.
+ * If no subtitle could be decompressed, \p got_sub_ptr is zero.
+ * Otherwise, the subtitle is stored in \p *sub.
+ *
+ * @param avctx the codec context
+ * @param[out] sub The AVSubtitle in which the decoded subtitle will be stored.
+ * @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);
int avcodec_parse_frame(AVCodecContext *avctx, uint8_t **pdata,
int *data_size_ptr,
uint8_t *buf, int buf_size);
/**
* Encodes an audio frame from \p samples into \p buf.
- * The avcodec_encode_audio() function encodes an audio frame from the input
- * buffer \p samples. To encode it, it makes use of the audio codec which was
- * coupled with \p avctx using avcodec_open(). The resulting encoded frame is
- * stored in output buffer \p buf.
*
* @note The output buffer should be at least \c 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 \p 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
/**
* Encodes a video frame from \p pict into \p buf.
- * The avcodec_encode_video() function encodes a video frame from the input
- * \p pict. To encode it, it makes use of the video codec which was coupled with
- * \p avctx using avcodec_open(). The resulting encoded bytes representing the
- * frame are stored in the output buffer \p buf. The input picture should be
+ * The input picture should be
* stored using a specific format, namely \c avctx.pix_fmt.
*
* @param avctx the codec context
void av_register_codec_parser(AVCodecParser *parser);
AVCodecParserContext *av_parser_init(int codec_id);
+#if LIBAVCODEC_VERSION_MAJOR < 53
attribute_deprecated
int av_parser_parse(AVCodecParserContext *s,
AVCodecContext *avctx,
uint8_t **poutbuf, int *poutbuf_size,
const uint8_t *buf, int buf_size,
int64_t pts, int64_t dts);
+#endif
/**
* Parse a packet.
*/
void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size);
+/**
+ * Allocates 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
+ * handling to avoid memleaks is necessary.
+ *
+ * @param ptr pointer to pointer to already allocated buffer, overwritten with pointer to new buffer
+ * @param size size of the buffer *ptr points to
+ * @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);
+
/**
* Copy image 'src' to 'dst'.
*/
void av_picture_copy(AVPicture *dst, const AVPicture *src,
- int pix_fmt, int width, int height);
+ enum PixelFormat pix_fmt, int width, int height);
/**
* Crop image top and left side.
*/
int av_picture_crop(AVPicture *dst, const AVPicture *src,
- int pix_fmt, int top_band, int left_band);
+ enum PixelFormat pix_fmt, int top_band, int left_band);
/**
* Pad image.
*/
-int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width, int pix_fmt,
+int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width, enum PixelFormat pix_fmt,
int padtop, int padbottom, int padleft, int padright, int *color);
unsigned int av_xiphlacing(unsigned char *s, unsigned int v);