*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef AVCODEC_H
-#define AVCODEC_H
+#ifndef FFMPEG_AVCODEC_H
+#define FFMPEG_AVCODEC_H
/**
* @file avcodec.h
#define AV_STRINGIFY(s) AV_TOSTRING(s)
#define AV_TOSTRING(s) #s
-#define LIBAVCODEC_VERSION_INT ((51<<16)+(40<<8)+4)
-#define LIBAVCODEC_VERSION 51.40.4
+#define LIBAVCODEC_VERSION_INT ((51<<16)+(46<<8)+0)
+#define LIBAVCODEC_VERSION 51.46.0
#define LIBAVCODEC_BUILD LIBAVCODEC_VERSION_INT
#define LIBAVCODEC_IDENT "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
#define AV_TIME_BASE_Q (AVRational){1, AV_TIME_BASE}
/**
+ * Identifies 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.
+ * There may be slight deviations from the principle due to implementation
+ * details.
*
* If you add a codec ID to this list, add it so that
* 1. no value of a existing codec ID changes (that would break ABI),
CODEC_ID_BETHSOFTVID,
CODEC_ID_PTX,
CODEC_ID_TXD,
+ CODEC_ID_VP6A,
+ CODEC_ID_AMV,
/* various PCM "codecs" */
CODEC_ID_PCM_S16LE= 0x10000,
CODEC_ID_PCM_U24LE,
CODEC_ID_PCM_U24BE,
CODEC_ID_PCM_S24DAUD,
+ CODEC_ID_PCM_ZORK,
/* various ADPCM codecs */
CODEC_ID_ADPCM_IMA_QT= 0x11000,
CODEC_ID_ADPCM_SBPRO_3,
CODEC_ID_ADPCM_SBPRO_2,
CODEC_ID_ADPCM_THP,
+ CODEC_ID_ADPCM_IMA_AMV,
/* AMR */
CODEC_ID_AMR_NB= 0x12000,
CODEC_ID_MLP,
CODEC_ID_GSM_MS, /* as found in WAV */
CODEC_ID_ATRAC3,
+ CODEC_ID_VOXWARE,
+ CODEC_ID_APE,
+ CODEC_ID_NELLYMOSER,
/* subtitle codecs */
CODEC_ID_DVD_SUBTITLE= 0x17000,
CODEC_ID_DVB_SUBTITLE,
+ CODEC_ID_TEXT, /* raw UTF-8 text */
+ CODEC_ID_XSUB,
CODEC_ID_MPEG2TS= 0x20000, /* _FAKE_ codec to indicate a raw MPEG-2 TS
* stream (only used by libavformat) */
* streams is not written to for at least s->max_b_frames+1 frames, if
* this is not set the input will be copied. */
#define CODEC_FLAG_INPUT_PRESERVED 0x0100
-#define CODEC_FLAG_PASS1 0x0200 ///< Use internal 2pass ratecontrol in first pass mode.
-#define CODEC_FLAG_PASS2 0x0400 ///< Use internal 2pass ratecontrol in second pass mode.
-#define CODEC_FLAG_EXTERN_HUFF 0x1000 ///< Use external Huffman table (for MJPEG).
-#define CODEC_FLAG_GRAY 0x2000 ///< Only decode/encode grayscale.
-#define CODEC_FLAG_EMU_EDGE 0x4000///< Don't draw edges.
-#define CODEC_FLAG_PSNR 0x8000 ///< error[?] variables will be set during encoding.
-#define CODEC_FLAG_TRUNCATED 0x00010000 /** Input bitstream might be truncated at a random location instead
- of only at frame boundaries. */
+#define CODEC_FLAG_PASS1 0x0200 ///< Use internal 2pass ratecontrol in first pass mode.
+#define CODEC_FLAG_PASS2 0x0400 ///< Use internal 2pass ratecontrol in second pass mode.
+#define CODEC_FLAG_EXTERN_HUFF 0x1000 ///< Use external Huffman table (for MJPEG).
+#define CODEC_FLAG_GRAY 0x2000 ///< Only decode/encode grayscale.
+#define CODEC_FLAG_EMU_EDGE 0x4000 ///< Don't draw edges.
+#define CODEC_FLAG_PSNR 0x8000 ///< error[?] variables will be set during encoding.
+#define CODEC_FLAG_TRUNCATED 0x00010000 /** Input bitstream might be truncated at a random
+ location instead of only at frame boundaries. */
#define CODEC_FLAG_NORMALIZE_AQP 0x00020000 ///< Normalize adaptive quantization.
#define CODEC_FLAG_INTERLACED_DCT 0x00040000 ///< Use interlaced DCT.
#define CODEC_FLAG_LOW_DELAY 0x00080000 ///< Force low delay.
#define MB_TYPE_8x16 0x0020
#define MB_TYPE_8x8 0x0040
#define MB_TYPE_INTERLACED 0x0080
-#define MB_TYPE_DIRECT2 0x0100 //FIXME
+#define MB_TYPE_DIRECT2 0x0100 //FIXME
#define MB_TYPE_ACPRED 0x0200
#define MB_TYPE_GMC 0x0400
#define MB_TYPE_SKIP 0x0800
#define FF_BUFFER_TYPE_COPY 8 ///< Just a (modified) copy of some other buffer, don't deallocate anything.
-#define FF_I_TYPE 1 // Intra
-#define FF_P_TYPE 2 // Predicted
-#define FF_B_TYPE 3 // Bi-dir predicted
-#define FF_S_TYPE 4 // S(GMC)-VOP MPEG4
+#define FF_I_TYPE 1 // Intra
+#define FF_P_TYPE 2 // Predicted
+#define FF_B_TYPE 3 // Bi-dir predicted
+#define FF_S_TYPE 4 // S(GMC)-VOP MPEG4
#define FF_SI_TYPE 5
#define FF_SP_TYPE 6
* - decoding: Set by user.
*/
int idct_algo;
-#define FF_IDCT_AUTO 0
-#define FF_IDCT_INT 1
-#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_ARM 7
-#define FF_IDCT_ALTIVEC 8
-#define FF_IDCT_SH4 9
-#define FF_IDCT_SIMPLEARM 10
-#define FF_IDCT_H264 11
-#define FF_IDCT_VP3 12
-#define FF_IDCT_IPP 13
-#define FF_IDCT_XVIDMMX 14
-#define FF_IDCT_CAVS 15
+#define FF_IDCT_AUTO 0
+#define FF_IDCT_INT 1
+#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_ARM 7
+#define FF_IDCT_ALTIVEC 8
+#define FF_IDCT_SH4 9
+#define FF_IDCT_SIMPLEARM 10
+#define FF_IDCT_H264 11
+#define FF_IDCT_VP3 12
+#define FF_IDCT_IPP 13
+#define FF_IDCT_XVIDMMX 14
+#define FF_IDCT_CAVS 15
#define FF_IDCT_SIMPLEARMV5TE 16
-#define FF_IDCT_SIMPLEARMV6 17
+#define FF_IDCT_SIMPLEARMV6 17
+#define FF_IDCT_SIMPLEVIS 18
/**
* slice count
unsigned dsp_mask;
#define FF_MM_FORCE 0x80000000 /* Force usage of selected flags (OR) */
/* lower 16 bits - CPU features */
-#ifdef HAVE_MMX
#define FF_MM_MMX 0x0001 /* standard MMX */
#define FF_MM_3DNOW 0x0004 /* AMD 3DNOW */
#define FF_MM_MMXEXT 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 */
-#endif /* HAVE_MMX */
-#ifdef HAVE_IWMMXT
+#define FF_MM_SSE3 0x0040 /* Prescott SSE3 functions */
+#define FF_MM_SSSE3 0x0080 /* Conroe SSSE3 functions */
#define FF_MM_IWMMXT 0x0100 /* XScale IWMMXT */
-#endif /* HAVE_IWMMXT */
/**
* bits per sample/pixel from the demuxer (needed for huffyuv).
* - decoding: Set by user.
*/
int debug;
-#define FF_DEBUG_PICT_INFO 1
-#define FF_DEBUG_RC 2
-#define FF_DEBUG_BITSTREAM 4
-#define FF_DEBUG_MB_TYPE 8
-#define FF_DEBUG_QP 16
-#define FF_DEBUG_MV 32
-#define FF_DEBUG_DCT_COEFF 0x00000040
-#define FF_DEBUG_SKIP 0x00000080
-#define FF_DEBUG_STARTCODE 0x00000100
-#define FF_DEBUG_PTS 0x00000200
-#define FF_DEBUG_ER 0x00000400
-#define FF_DEBUG_MMCO 0x00000800
-#define FF_DEBUG_BUGS 0x00001000
-#define FF_DEBUG_VIS_QP 0x00002000
+#define FF_DEBUG_PICT_INFO 1
+#define FF_DEBUG_RC 2
+#define FF_DEBUG_BITSTREAM 4
+#define FF_DEBUG_MB_TYPE 8
+#define FF_DEBUG_QP 16
+#define FF_DEBUG_MV 32
+#define FF_DEBUG_DCT_COEFF 0x00000040
+#define FF_DEBUG_SKIP 0x00000080
+#define FF_DEBUG_STARTCODE 0x00000100
+#define FF_DEBUG_PTS 0x00000200
+#define FF_DEBUG_ER 0x00000400
+#define FF_DEBUG_MMCO 0x00000800
+#define FF_DEBUG_BUGS 0x00001000
+#define FF_DEBUG_VIS_QP 0x00002000
#define FF_DEBUG_VIS_MB_TYPE 0x00004000
/**
* - decoding: unused
*/
int ildct_cmp;
-#define FF_CMP_SAD 0
-#define FF_CMP_SSE 1
-#define FF_CMP_SATD 2
-#define FF_CMP_DCT 3
-#define FF_CMP_PSNR 4
-#define FF_CMP_BIT 5
-#define FF_CMP_RD 6
-#define FF_CMP_ZERO 7
-#define FF_CMP_VSAD 8
-#define FF_CMP_VSSE 9
-#define FF_CMP_NSSE 10
-#define FF_CMP_W53 11
-#define FF_CMP_W97 12
+#define FF_CMP_SAD 0
+#define FF_CMP_SSE 1
+#define FF_CMP_SATD 2
+#define FF_CMP_DCT 3
+#define FF_CMP_PSNR 4
+#define FF_CMP_BIT 5
+#define FF_CMP_RD 6
+#define FF_CMP_ZERO 7
+#define FF_CMP_VSAD 8
+#define FF_CMP_VSSE 9
+#define FF_CMP_NSSE 10
+#define FF_CMP_W53 11
+#define FF_CMP_W97 12
#define FF_CMP_DCTMAX 13
#define FF_CMP_DCT264 14
#define FF_CMP_CHROMA 256
int profile;
#define FF_PROFILE_UNKNOWN -99
#define FF_PROFILE_AAC_MAIN 0
-#define FF_PROFILE_AAC_LOW 1
-#define FF_PROFILE_AAC_SSR 2
-#define FF_PROFILE_AAC_LTP 3
+#define FF_PROFILE_AAC_LOW 1
+#define FF_PROFILE_AAC_SSR 2
+#define FF_PROFILE_AAC_LTP 3
/**
* level
* - decoding: unused
*/
int64_t timecode_frame_start;
+
+ /**
+ * Decoder should decode to this many channels if it can (0 for default)
+ * - encoding: unused
+ * - decoding: Set by user.
+ */
+ int request_channels;
} AVCodecContext;
/**
* AVCodec.
*/
typedef struct AVCodec {
+ /**
+ * Name of the codec implementation.
+ * The name is globally unique among encoders and among decoders (but an
+ * encoder and a decoder can share the same name).
+ * This is the primary way to find a codec from the user perspective.
+ */
const char *name;
enum CodecType type;
enum CodecID id;
AVSubtitleRect *rects;
} AVSubtitle;
-extern AVCodec ac3_encoder;
-extern AVCodec asv1_encoder;
-extern AVCodec asv2_encoder;
-extern AVCodec bmp_encoder;
-extern AVCodec dvvideo_encoder;
-extern AVCodec ffv1_encoder;
-extern AVCodec ffvhuff_encoder;
-extern AVCodec flac_encoder;
-extern AVCodec flashsv_encoder;
-extern AVCodec flv_encoder;
-extern AVCodec gif_encoder;
-extern AVCodec h261_encoder;
-extern AVCodec h263_encoder;
-extern AVCodec h263p_encoder;
-extern AVCodec h264_encoder;
-extern AVCodec huffyuv_encoder;
-extern AVCodec jpegls_encoder;
-extern AVCodec ljpeg_encoder;
-extern AVCodec mdec_encoder;
-extern AVCodec mjpeg_encoder;
-extern AVCodec mp2_encoder;
-extern AVCodec mpeg1video_encoder;
-extern AVCodec mpeg2video_encoder;
-extern AVCodec mpeg4_encoder;
-extern AVCodec msmpeg4v1_encoder;
-extern AVCodec msmpeg4v2_encoder;
-extern AVCodec msmpeg4v3_encoder;
-extern AVCodec pam_encoder;
-extern AVCodec pbm_encoder;
-extern AVCodec pgm_encoder;
-extern AVCodec pgmyuv_encoder;
-extern AVCodec png_encoder;
-extern AVCodec ppm_encoder;
-extern AVCodec roq_dpcm_encoder;
-extern AVCodec rv10_encoder;
-extern AVCodec rv20_encoder;
-extern AVCodec sgi_encoder;
-extern AVCodec snow_encoder;
-extern AVCodec sonic_encoder;
-extern AVCodec sonic_ls_encoder;
-extern AVCodec svq1_encoder;
-extern AVCodec targa_encoder;
-extern AVCodec tiff_encoder;
-extern AVCodec vcr1_encoder;
-extern AVCodec vorbis_encoder;
-extern AVCodec wmav1_encoder;
-extern AVCodec wmav2_encoder;
-extern AVCodec wmv1_encoder;
-extern AVCodec wmv2_encoder;
-extern AVCodec zmbv_encoder;
-
-extern AVCodec aasc_decoder;
-extern AVCodec alac_decoder;
-extern AVCodec asv1_decoder;
-extern AVCodec asv2_decoder;
-extern AVCodec atrac3_decoder;
-extern AVCodec avs_decoder;
-extern AVCodec bethsoftvid_decoder;
-extern AVCodec bmp_decoder;
-extern AVCodec c93_decoder;
-extern AVCodec cavs_decoder;
-extern AVCodec cinepak_decoder;
-extern AVCodec cljr_decoder;
-extern AVCodec cook_decoder;
-extern AVCodec cscd_decoder;
-extern AVCodec cyuv_decoder;
-extern AVCodec dca_decoder;
-extern AVCodec dnxhd_decoder;
-extern AVCodec dsicinaudio_decoder;
-extern AVCodec dsicinvideo_decoder;
-extern AVCodec dvvideo_decoder;
-extern AVCodec dxa_decoder;
-extern AVCodec eightbps_decoder;
-extern AVCodec ffv1_decoder;
-extern AVCodec ffvhuff_decoder;
-extern AVCodec flac_decoder;
-extern AVCodec flashsv_decoder;
-extern AVCodec flic_decoder;
-extern AVCodec flv_decoder;
-extern AVCodec fourxm_decoder;
-extern AVCodec fraps_decoder;
-extern AVCodec gif_decoder;
-extern AVCodec h261_decoder;
-extern AVCodec h263_decoder;
-extern AVCodec h263i_decoder;
-extern AVCodec h264_decoder;
-extern AVCodec huffyuv_decoder;
-extern AVCodec idcin_decoder;
-extern AVCodec imc_decoder;
-extern AVCodec indeo2_decoder;
-extern AVCodec indeo3_decoder;
-extern AVCodec interplay_dpcm_decoder;
-extern AVCodec interplay_video_decoder;
-extern AVCodec jpegls_decoder;
-extern AVCodec kmvc_decoder;
-extern AVCodec loco_decoder;
-extern AVCodec mace3_decoder;
-extern AVCodec mace6_decoder;
-extern AVCodec mdec_decoder;
-extern AVCodec mjpeg_decoder;
-extern AVCodec mjpegb_decoder;
-extern AVCodec mmvideo_decoder;
-extern AVCodec mp2_decoder;
-extern AVCodec mp3_decoder;
-extern AVCodec mp3adu_decoder;
-extern AVCodec mp3on4_decoder;
-extern AVCodec mpc7_decoder;
-extern AVCodec mpeg1video_decoder;
-extern AVCodec mpeg2video_decoder;
-extern AVCodec mpeg4_decoder;
-extern AVCodec mpeg_xvmc_decoder;
-extern AVCodec mpegvideo_decoder;
-extern AVCodec msmpeg4v1_decoder;
-extern AVCodec msmpeg4v2_decoder;
-extern AVCodec msmpeg4v3_decoder;
-extern AVCodec msrle_decoder;
-extern AVCodec msvideo1_decoder;
-extern AVCodec mszh_decoder;
-extern AVCodec nuv_decoder;
-extern AVCodec png_decoder;
-extern AVCodec ptx_decoder;
-extern AVCodec qdm2_decoder;
-extern AVCodec qdraw_decoder;
-extern AVCodec qpeg_decoder;
-extern AVCodec qtrle_decoder;
-extern AVCodec ra_144_decoder;
-extern AVCodec ra_288_decoder;
-extern AVCodec roq_decoder;
-extern AVCodec roq_dpcm_decoder;
-extern AVCodec rpza_decoder;
-extern AVCodec rv10_decoder;
-extern AVCodec rv20_decoder;
-extern AVCodec rv30_decoder;
-extern AVCodec rv40_decoder;
-extern AVCodec sgi_decoder;
-extern AVCodec shorten_decoder;
-extern AVCodec smackaud_decoder;
-extern AVCodec smacker_decoder;
-extern AVCodec smc_decoder;
-extern AVCodec snow_decoder;
-extern AVCodec sol_dpcm_decoder;
-extern AVCodec sonic_decoder;
-extern AVCodec sp5x_decoder;
-extern AVCodec svq1_decoder;
-extern AVCodec svq3_decoder;
-extern AVCodec targa_decoder;
-extern AVCodec theora_decoder;
-extern AVCodec thp_decoder;
-extern AVCodec tiertexseqvideo_decoder;
-extern AVCodec tiff_decoder;
-extern AVCodec truemotion1_decoder;
-extern AVCodec truemotion2_decoder;
-extern AVCodec truespeech_decoder;
-extern AVCodec tscc_decoder;
-extern AVCodec tta_decoder;
-extern AVCodec txd_decoder;
-extern AVCodec ulti_decoder;
-extern AVCodec vc1_decoder;
-extern AVCodec vcr1_decoder;
-extern AVCodec vmdaudio_decoder;
-extern AVCodec vmdvideo_decoder;
-extern AVCodec vmnc_decoder;
-extern AVCodec vorbis_decoder;
-extern AVCodec vp3_decoder;
-extern AVCodec vp5_decoder;
-extern AVCodec vp6_decoder;
-extern AVCodec vp6f_decoder;
-extern AVCodec vqa_decoder;
-extern AVCodec wavpack_decoder;
-extern AVCodec wmav1_decoder;
-extern AVCodec wmav2_decoder;
-extern AVCodec wmv1_decoder;
-extern AVCodec wmv2_decoder;
-extern AVCodec wmv3_decoder;
-extern AVCodec wnv1_decoder;
-extern AVCodec ws_snd1_decoder;
-extern AVCodec xan_dpcm_decoder;
-extern AVCodec xan_wc3_decoder;
-extern AVCodec xl_decoder;
-extern AVCodec zmbv_decoder;
-
-/* PCM codecs */
-#define PCM_CODEC(id, name) \
-extern AVCodec name ## _decoder; \
-extern AVCodec name ## _encoder
-
-PCM_CODEC(CODEC_ID_PCM_ALAW, pcm_alaw);
-PCM_CODEC(CODEC_ID_PCM_MULAW, pcm_mulaw);
-PCM_CODEC(CODEC_ID_PCM_S8, pcm_s8);
-PCM_CODEC(CODEC_ID_PCM_S16BE, pcm_s16be);
-PCM_CODEC(CODEC_ID_PCM_S16LE, pcm_s16le);
-PCM_CODEC(CODEC_ID_PCM_S24BE, pcm_s24be);
-PCM_CODEC(CODEC_ID_PCM_S24DAUD, pcm_s24daud);
-PCM_CODEC(CODEC_ID_PCM_S24LE, pcm_s24le);
-PCM_CODEC(CODEC_ID_PCM_S32BE, pcm_s32be);
-PCM_CODEC(CODEC_ID_PCM_S32LE, pcm_s32le);
-PCM_CODEC(CODEC_ID_PCM_U8, pcm_u8);
-PCM_CODEC(CODEC_ID_PCM_U16BE, pcm_u16be);
-PCM_CODEC(CODEC_ID_PCM_U16LE, pcm_u16le);
-PCM_CODEC(CODEC_ID_PCM_U24BE, pcm_u24be);
-PCM_CODEC(CODEC_ID_PCM_U24LE, pcm_u24le);
-PCM_CODEC(CODEC_ID_PCM_U32BE, pcm_u32be);
-PCM_CODEC(CODEC_ID_PCM_U32LE, pcm_u32le);
-
-/* ADPCM codecs */
-
-PCM_CODEC(CODEC_ID_ADPCM_4XM, adpcm_4xm);
-PCM_CODEC(CODEC_ID_ADPCM_ADX, adpcm_adx);
-PCM_CODEC(CODEC_ID_ADPCM_CT, adpcm_ct);
-PCM_CODEC(CODEC_ID_ADPCM_EA, adpcm_ea);
-PCM_CODEC(CODEC_ID_ADPCM_G726, adpcm_g726);
-PCM_CODEC(CODEC_ID_ADPCM_IMA_DK3, adpcm_ima_dk3);
-PCM_CODEC(CODEC_ID_ADPCM_IMA_DK4, adpcm_ima_dk4);
-PCM_CODEC(CODEC_ID_ADPCM_IMA_QT, adpcm_ima_qt);
-PCM_CODEC(CODEC_ID_ADPCM_IMA_WAV, adpcm_ima_wav);
-PCM_CODEC(CODEC_ID_ADPCM_IMA_WS, adpcm_ima_ws);
-PCM_CODEC(CODEC_ID_ADPCM_MS, adpcm_ms);
-PCM_CODEC(CODEC_ID_ADPCM_SBPRO_2, adpcm_sbpro_2);
-PCM_CODEC(CODEC_ID_ADPCM_SBPRO_3, adpcm_sbpro_3);
-PCM_CODEC(CODEC_ID_ADPCM_SBPRO_4, adpcm_sbpro_4);
-PCM_CODEC(CODEC_ID_ADPCM_SMJPEG, adpcm_ima_smjpeg);
-PCM_CODEC(CODEC_ID_ADPCM_SWF, adpcm_swf);
-PCM_CODEC(CODEC_ID_ADPCM_THP, adpcm_thp);
-PCM_CODEC(CODEC_ID_ADPCM_XA, adpcm_xa);
-PCM_CODEC(CODEC_ID_ADPCM_YAMAHA, adpcm_yamaha);
-
-#undef PCM_CODEC
-
-/* dummy raw video codec */
-extern AVCodec rawvideo_decoder;
-extern AVCodec rawvideo_encoder;
-
-/* the following codecs use external libs */
-extern AVCodec liba52_decoder;
-extern AVCodec libamr_nb_decoder;
-extern AVCodec libamr_nb_encoder;
-extern AVCodec libamr_wb_decoder;
-extern AVCodec libamr_wb_encoder;
-extern AVCodec libfaac_encoder;
-extern AVCodec libfaad_decoder;
-extern AVCodec libgsm_decoder;
-extern AVCodec libgsm_encoder;
-extern AVCodec libgsm_ms_decoder;
-extern AVCodec libgsm_ms_encoder;
-extern AVCodec libmp3lame_encoder;
-extern AVCodec libtheora_encoder;
-extern AVCodec libvorbis_decoder;
-extern AVCodec libvorbis_encoder;
-extern AVCodec libx264_encoder;
-extern AVCodec libxvid_encoder;
-extern AVCodec mpeg4aac_decoder;
-extern AVCodec zlib_decoder;
-extern AVCodec zlib_encoder;
-
-/* subtitles */
-extern AVCodec dvbsub_decoder;
-extern AVCodec dvbsub_encoder;
-extern AVCodec dvdsub_decoder;
-extern AVCodec dvdsub_encoder;
/* resample.c */
#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
/* YUV420 format is assumed ! */
-/**
- * @deprecated Use the software scaler (swscale) instead.
- */
-struct ImgReSampleContext attribute_deprecated;
-
/**
* @deprecated Use the software scaler (swscale) instead.
*/
/**
* @deprecated Use the software scaler (swscale) instead.
*/
-attribute_deprecated void img_resample(ImgReSampleContext *s,
+attribute_deprecated void img_resample(struct ImgReSampleContext *s,
AVPicture *output, const AVPicture *input);
/**
* @deprecated Use the software scaler (swscale) instead.
*/
-attribute_deprecated void img_resample_close(ImgReSampleContext *s);
+attribute_deprecated void img_resample_close(struct ImgReSampleContext *s);
#endif
void register_avcodec(AVCodec *format);
/**
- * Finds an encoder with a matching codec ID.
+ * Finds 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 an encoder with the specified name.
+ * Finds 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 decoder with a matching codec ID.
+ * Finds 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 an decoder with the specified name.
+ * Finds a registered decoder with the specified name.
*
* @param name name of the requested decoder
* @return A decoder if one was found, NULL otherwise.
* @warning This function is not thread safe!
*
* @code
+ * avcodec_register_all();
* codec = avcodec_find_decoder(CODEC_ID_H264);
* if (!codec)
* exit(1);
*/
int av_get_bits_per_sample(enum CodecID codec_id);
+/**
+ * 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.
+ */
+int av_get_bits_per_sample_format(enum SampleFormat sample_fmt);
+
/* frame parsing */
typedef struct AVCodecParserContext {
void *priv_data;
const uint8_t *buf, int buf_size, int keyframe);
void av_parser_close(AVCodecParserContext *s);
-extern AVCodecParser aac_parser;
-extern AVCodecParser ac3_parser;
-extern AVCodecParser cavsvideo_parser;
-extern AVCodecParser dca_parser;
-extern AVCodecParser dvbsub_parser;
-extern AVCodecParser dvdsub_parser;
-extern AVCodecParser h261_parser;
-extern AVCodecParser h263_parser;
-extern AVCodecParser h264_parser;
-extern AVCodecParser mjpeg_parser;
-extern AVCodecParser mpeg4video_parser;
-extern AVCodecParser mpegaudio_parser;
-extern AVCodecParser mpegvideo_parser;
-extern AVCodecParser pnm_parser;
-extern AVCodecParser vc1_parser;
-
typedef struct AVBitStreamFilterContext {
void *priv_data;
AVCodecContext *avctx, const char *args,
uint8_t **poutbuf, int *poutbuf_size,
const uint8_t *buf, int buf_size, int keyframe);
+ void (*close)(AVBitStreamFilterContext *bsfc);
struct AVBitStreamFilter *next;
} AVBitStreamFilter;
-extern AVBitStreamFilter *av_first_bitstream_filter;
-
void av_register_bitstream_filter(AVBitStreamFilter *bsf);
AVBitStreamFilterContext *av_bitstream_filter_init(const char *name);
int av_bitstream_filter_filter(AVBitStreamFilterContext *bsfc,
const uint8_t *buf, int buf_size, int keyframe);
void av_bitstream_filter_close(AVBitStreamFilterContext *bsf);
-extern AVBitStreamFilter dump_extradata_bsf;
-extern AVBitStreamFilter remove_extradata_bsf;
-extern AVBitStreamFilter noise_bsf;
-extern AVBitStreamFilter mp3_header_compress_bsf;
-extern AVBitStreamFilter mp3_header_decompress_bsf;
-extern AVBitStreamFilter mjpega_dump_header_bsf;
-extern AVBitStreamFilter imx_dump_header_bsf;
-
/* memory */
* Frees all static arrays and resets their pointers to 0.
* Call this function to release all statically allocated tables.
*
- * @deprecated. Code which uses av_free_static is broken/missdesigned
+ * @deprecated. Code which uses av_free_static is broken/misdesigned
* and should correctly use static arrays
*
*/
*
* @param[in] size The amount of memory you need in bytes.
* @return block of memory of the requested size
- * @deprecated. Code which uses av_mallocz_static is broken/missdesigned
+ * @deprecated. Code which uses av_mallocz_static is broken/misdesigned
* and should correctly use static arrays
*/
attribute_deprecated void *av_mallocz_static(unsigned int size);
extern unsigned int av_xiphlacing(unsigned char *s, unsigned int v);
+/**
+ * Parses \p str and put in \p width_ptr and \p 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
+ */
+int av_parse_video_frame_size(int *width_ptr, int *height_ptr, const char *str);
+
+/**
+ * Parses \p str and put in \p frame_rate 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
+ * <frame_rate_nom>/<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
+ */
+int av_parse_video_frame_rate(AVRational *frame_rate, const char *str);
+
/* error handling */
#if EINVAL > 0
#define AVERROR(e) (-(e)) /**< Returns a negative error code from a POSIX error code, to return from library functions. */
#define AVERROR_NOFMT AVERROR(EILSEQ) /**< unknown format */
#define AVERROR_NOTSUPP AVERROR(ENOSYS) /**< Operation not supported. */
#define AVERROR_NOENT AVERROR(ENOENT) /**< No such file or directory. */
+#define AVERROR_PATCHWELCOME -MKTAG('P','A','W','E') /**< Not yet implemented in FFmpeg. Patches welcome. */
-#endif /* AVCODEC_H */
+#endif /* FFMPEG_AVCODEC_H */
projects / ffmpeg / blobdiff