#define AV_STRINGIFY(s) AV_TOSTRING(s)
#define AV_TOSTRING(s) #s
-#define LIBAVCODEC_VERSION_INT ((51<<16)+(22<<8)+0)
-#define LIBAVCODEC_VERSION 51.22.0
+#define LIBAVCODEC_VERSION_INT ((51<<16)+(34<<8)+0)
+#define LIBAVCODEC_VERSION 51.34.0
#define LIBAVCODEC_BUILD LIBAVCODEC_VERSION_INT
#define LIBAVCODEC_IDENT "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
-#define AV_NOPTS_VALUE int64_t_C(0x8000000000000000)
+#define AV_NOPTS_VALUE INT64_C(0x8000000000000000)
#define AV_TIME_BASE 1000000
#define AV_TIME_BASE_Q (AVRational){1, AV_TIME_BASE}
CODEC_ID_TIERTEXSEQVIDEO,
CODEC_ID_TIFF,
CODEC_ID_GIF,
+ CODEC_ID_FFH264,
/* various pcm "codecs" */
CODEC_ID_PCM_S16LE= 0x10000,
CODEC_ID_MP2= 0x15000,
CODEC_ID_MP3, /* prefered ID for MPEG Audio layer 1, 2 or3 decoding */
CODEC_ID_AAC,
+#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
CODEC_ID_MPEG4AAC,
+#endif
CODEC_ID_AC3,
CODEC_ID_DTS,
CODEC_ID_VORBIS,
CODEC_ID_SHORTEN,
CODEC_ID_ALAC,
CODEC_ID_WESTWOOD_SND1,
- CODEC_ID_GSM,
+ CODEC_ID_GSM, /* As in Berlin toast format */
CODEC_ID_QDM2,
CODEC_ID_COOK,
CODEC_ID_TRUESPEECH,
CODEC_ID_QCELP,
CODEC_ID_WAVPACK,
CODEC_ID_DSICINAUDIO,
+ CODEC_ID_IMC,
+ CODEC_ID_MUSEPACK7,
+ CODEC_ID_MLP,
+ CODEC_ID_GSM_MS, /* As found in WAV */
/* subtitle codecs */
CODEC_ID_DVD_SUBTITLE= 0x17000,
#define CODEC_FLAG_GMC 0x0020 ///< use GMC
#define CODEC_FLAG_MV0 0x0040 ///< always try a MB with MV=<0,0>
#define CODEC_FLAG_PART 0x0080 ///< use data partitioning
-/* parent program gurantees that the input for b-frame containing streams is not written to
+/* parent program guarantees that the input for b-frame containing streams is not written to
for at least s->max_b_frames+1 frames, if this is not set than 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_FLAG2_LOCAL_HEADER 0x00000008 ///< place global headers at every keyframe instead of in extradata
#define CODEC_FLAG2_BPYRAMID 0x00000010 ///< H.264 allow b-frames to be used as references
#define CODEC_FLAG2_WPRED 0x00000020 ///< H.264 weighted biprediction for b-frames
-#define CODEC_FLAG2_MIXED_REFS 0x00000040 ///< H.264 multiple references per partition
+#define CODEC_FLAG2_MIXED_REFS 0x00000040 ///< H.264 one reference per partition, as opposed to one reference per macroblock
#define CODEC_FLAG2_8X8DCT 0x00000080 ///< H.264 high profile 8x8 transform
#define CODEC_FLAG2_FASTPSKIP 0x00000100 ///< H.264 fast pskip
#define CODEC_FLAG2_AUD 0x00000200 ///< H.264 access unit delimiters
#define CODEC_FLAG2_BRDO 0x00000400 ///< b-frame rate-distortion optimization
#define CODEC_FLAG2_INTRA_VLC 0x00000800 ///< use MPEG-2 intra VLC table
#define CODEC_FLAG2_MEMC_ONLY 0x00001000 ///< only do ME/MC (I frames -> ref, P frame -> ME+MC)
+#define CODEC_FLAG2_DROP_FRAME_TIMECODE 0x00002000 ///< timecode is in drop frame format
+#define CODEC_FLAG2_SKIP_RD 0x00004000 ///< RD optimal MB level residual skiping
/* Unsupported options :
* Syntax Arithmetic coding (SAC)
#define CODEC_CAP_HWACCEL 0x0010
/**
* codec has a non zero delay and needs to be feeded with NULL at the end to get the delayed data.
- * if this is not set, the codec is guranteed to never be feeded with NULL data
+ * if this is not set, the codec is guaranteed to never be feeded with NULL data
*/
#define CODEC_CAP_DELAY 0x0020
/**
int qmax;
/**
- * maximum quantizer difference etween frames.
+ * maximum quantizer difference between frames.
* - encoding: set by user.
* - decoding: unused
*/
/**
* hurry up amount.
- * deprecated in favor of skip_idct and skip_frame
* - encoding: unused
* - decoding: set by user. 1-> skip b frames, 2-> skip idct/dequant too, 5-> skip everything except header
+ * @deprecated Deprecated in favor of skip_idct and skip_frame.
*/
int hurry_up;
#define FF_IDCT_XVIDMMX 14
#define FF_IDCT_CAVS 15
#define FF_IDCT_SIMPLEARMV5TE 16
+#define FF_IDCT_SIMPLEARMV6 17
/**
* slice count.
* - decoding: unused.
*/
int max_partition_order;
+
+ /**
+ * GOP timecode frame start number, in non drop frame format
+ * - encoding: set by user.
+ * - decoding: unused.
+ */
+ int64_t timecode_frame_start;
} AVCodecContext;
/**
int (*decode)(AVCodecContext *, void *outdata, int *outdata_size,
uint8_t *buf, int buf_size);
int capabilities;
-#if LIBAVCODEC_VERSION_INT < ((50<<16)+(0<<8)+0)
- void *dummy; // FIXME remove next time we break binary compatibility
-#endif
struct AVCodec *next;
void (*flush)(AVCodecContext *);
const AVRational *supported_framerates; ///array of supported framerates, or NULL if any, array is terminated by {0,0}
} AVSubtitle;
extern AVCodec ac3_encoder;
-extern AVCodec mp2_encoder;
-extern AVCodec mp3lame_encoder;
-extern AVCodec oggvorbis_encoder;
+extern AVCodec amr_nb_encoder;
+extern AVCodec amr_wb_encoder;
+extern AVCodec asv1_encoder;
+extern AVCodec asv2_encoder;
+extern AVCodec bmp_encoder;
+extern AVCodec dvvideo_encoder;
extern AVCodec faac_encoder;
+extern AVCodec ffv1_encoder;
+extern AVCodec ffvhuff_encoder;
extern AVCodec flac_encoder;
-extern AVCodec xvid_encoder;
-extern AVCodec mpeg1video_encoder;
-extern AVCodec mpeg2video_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 flv_encoder;
-extern AVCodec rv10_encoder;
-extern AVCodec rv20_encoder;
-extern AVCodec dvvideo_encoder;
-extern AVCodec mjpeg_encoder;
-extern AVCodec ljpeg_encoder;
+extern AVCodec h264_encoder;
+extern AVCodec huffyuv_encoder;
extern AVCodec jpegls_encoder;
-extern AVCodec png_encoder;
-extern AVCodec ppm_encoder;
-extern AVCodec pgm_encoder;
-extern AVCodec pgmyuv_encoder;
-extern AVCodec pbm_encoder;
-extern AVCodec pam_encoder;
+extern AVCodec libgsm_encoder;
+extern AVCodec libgsm_ms_encoder;
+extern AVCodec libtheora_encoder;
+extern AVCodec ljpeg_encoder;
+extern AVCodec mdec_encoder;
+extern AVCodec mjpeg_encoder;
+extern AVCodec mp2_encoder;
+extern AVCodec mp3lame_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 wmv1_encoder;
-extern AVCodec wmv2_encoder;
-extern AVCodec huffyuv_encoder;
-extern AVCodec ffvhuff_encoder;
-extern AVCodec h264_encoder;
-extern AVCodec asv1_encoder;
-extern AVCodec asv2_encoder;
-extern AVCodec vcr1_encoder;
-extern AVCodec ffv1_encoder;
+extern AVCodec oggvorbis_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 rv10_encoder;
+extern AVCodec rv20_encoder;
extern AVCodec snow_encoder;
-extern AVCodec vorbis_encoder;
-extern AVCodec mdec_encoder;
-extern AVCodec zlib_encoder;
extern AVCodec sonic_encoder;
extern AVCodec sonic_ls_encoder;
extern AVCodec svq1_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 x264_encoder;
+extern AVCodec xvid_encoder;
+extern AVCodec zlib_encoder;
+extern AVCodec zmbv_encoder;
+extern AVCodec aac_decoder;
+extern AVCodec aasc_decoder;
+extern AVCodec alac_decoder;
+extern AVCodec amr_nb_decoder;
+extern AVCodec amr_wb_decoder;
+extern AVCodec asv1_decoder;
+extern AVCodec asv2_decoder;
+extern AVCodec avs_decoder;
+extern AVCodec bmp_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 dsicinaudio_decoder;
+extern AVCodec dsicinvideo_decoder;
+extern AVCodec dvvideo_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 h263_decoder;
extern AVCodec h261_decoder;
-extern AVCodec mpeg4_decoder;
-extern AVCodec msmpeg4v1_decoder;
-extern AVCodec msmpeg4v2_decoder;
-extern AVCodec msmpeg4v3_decoder;
-extern AVCodec wmv1_decoder;
-extern AVCodec wmv2_decoder;
-extern AVCodec vc1_decoder;
-extern AVCodec wmv3_decoder;
-extern AVCodec mpeg1video_decoder;
-extern AVCodec mpeg2video_decoder;
-extern AVCodec mpegvideo_decoder;
-extern AVCodec mpeg_xvmc_decoder;
+extern AVCodec h263_decoder;
extern AVCodec h263i_decoder;
-extern AVCodec flv_decoder;
-extern AVCodec rv10_decoder;
-extern AVCodec rv20_decoder;
-extern AVCodec rv30_decoder;
-extern AVCodec rv40_decoder;
-extern AVCodec svq1_decoder;
-extern AVCodec svq3_decoder;
-extern AVCodec dvvideo_decoder;
-extern AVCodec wmav1_decoder;
-extern AVCodec wmav2_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 kmvc_decoder;
+extern AVCodec libgsm_decoder;
+extern AVCodec libgsm_ms_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 sp5x_decoder;
-extern AVCodec png_decoder;
+extern AVCodec mmvideo_decoder;
extern AVCodec mp2_decoder;
extern AVCodec mp3_decoder;
extern AVCodec mp3adu_decoder;
extern AVCodec mp3on4_decoder;
-extern AVCodec qdm2_decoder;
-extern AVCodec cook_decoder;
-extern AVCodec truespeech_decoder;
-extern AVCodec tta_decoder;
-extern AVCodec mace3_decoder;
-extern AVCodec mace6_decoder;
-extern AVCodec huffyuv_decoder;
-extern AVCodec ffvhuff_decoder;
-extern AVCodec oggvorbis_decoder;
-extern AVCodec cyuv_decoder;
-extern AVCodec h264_decoder;
-extern AVCodec indeo3_decoder;
-extern AVCodec vp3_decoder;
-extern AVCodec theora_decoder;
-extern AVCodec vp5_decoder;
-extern AVCodec vp6_decoder;
-extern AVCodec vp6f_decoder;
-extern AVCodec amr_nb_decoder;
-extern AVCodec amr_nb_encoder;
-extern AVCodec amr_wb_encoder;
-extern AVCodec amr_wb_decoder;
-extern AVCodec aac_decoder;
+extern AVCodec mpc7_decoder;
+extern AVCodec mpeg1video_decoder;
+extern AVCodec mpeg2video_decoder;
+extern AVCodec mpeg4_decoder;
extern AVCodec mpeg4aac_decoder;
-extern AVCodec asv1_decoder;
-extern AVCodec asv2_decoder;
-extern AVCodec vcr1_decoder;
-extern AVCodec cljr_decoder;
-extern AVCodec ffv1_decoder;
-extern AVCodec snow_decoder;
-extern AVCodec fourxm_decoder;
-extern AVCodec mdec_decoder;
-extern AVCodec roq_decoder;
-extern AVCodec interplay_video_decoder;
-extern AVCodec xan_wc3_decoder;
-extern AVCodec rpza_decoder;
-extern AVCodec cinepak_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 vqa_decoder;
-extern AVCodec idcin_decoder;
-extern AVCodec eightbps_decoder;
-extern AVCodec smc_decoder;
-extern AVCodec flic_decoder;
-extern AVCodec vmdvideo_decoder;
-extern AVCodec vmdaudio_decoder;
-extern AVCodec truemotion1_decoder;
-extern AVCodec truemotion2_decoder;
extern AVCodec mszh_decoder;
-extern AVCodec zlib_decoder;
+extern AVCodec nuv_decoder;
+extern AVCodec oggvorbis_decoder;
+extern AVCodec png_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 interplay_dpcm_decoder;
-extern AVCodec xan_dpcm_decoder;
+extern AVCodec rpza_decoder;
+extern AVCodec rv10_decoder;
+extern AVCodec rv20_decoder;
+extern AVCodec rv30_decoder;
+extern AVCodec rv40_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 qtrle_decoder;
-extern AVCodec flac_decoder;
+extern AVCodec sp5x_decoder;
+extern AVCodec svq1_decoder;
+extern AVCodec svq3_decoder;
+extern AVCodec targa_decoder;
+extern AVCodec theora_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 cscd_decoder;
-extern AVCodec nuv_decoder;
+extern AVCodec tta_decoder;
extern AVCodec ulti_decoder;
-extern AVCodec qdraw_decoder;
-extern AVCodec xl_decoder;
-extern AVCodec qpeg_decoder;
-extern AVCodec shorten_decoder;
-extern AVCodec loco_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 aasc_decoder;
-extern AVCodec alac_decoder;
extern AVCodec ws_snd1_decoder;
-extern AVCodec indeo2_decoder;
-extern AVCodec vorbis_decoder;
-extern AVCodec fraps_decoder;
-extern AVCodec libgsm_encoder;
-extern AVCodec libgsm_decoder;
-extern AVCodec bmp_decoder;
-extern AVCodec mmvideo_decoder;
+extern AVCodec xan_dpcm_decoder;
+extern AVCodec xan_wc3_decoder;
+extern AVCodec xl_decoder;
+extern AVCodec zlib_decoder;
extern AVCodec zmbv_decoder;
-extern AVCodec avs_decoder;
-extern AVCodec smacker_decoder;
-extern AVCodec smackaud_decoder;
-extern AVCodec kmvc_decoder;
-extern AVCodec flashsv_decoder;
-extern AVCodec cavs_decoder;
-extern AVCodec vmnc_decoder;
-extern AVCodec wavpack_decoder;
-extern AVCodec targa_decoder;
-extern AVCodec dsicinvideo_decoder;
-extern AVCodec dsicinaudio_decoder;
-extern AVCodec tiertexseqvideo_decoder;
-extern AVCodec tiff_decoder;
/* pcm codecs */
#define PCM_CODEC(id, name) \
extern AVCodec name ## _decoder; \
extern AVCodec name ## _encoder
-PCM_CODEC(CODEC_ID_PCM_S32LE, pcm_s32le);
-PCM_CODEC(CODEC_ID_PCM_S32BE, pcm_s32be);
-PCM_CODEC(CODEC_ID_PCM_U32LE, pcm_u32le);
-PCM_CODEC(CODEC_ID_PCM_U32BE, pcm_u32be);
-PCM_CODEC(CODEC_ID_PCM_S24LE, pcm_s24le);
-PCM_CODEC(CODEC_ID_PCM_S24BE, pcm_s24be);
-PCM_CODEC(CODEC_ID_PCM_U24LE, pcm_u24le);
-PCM_CODEC(CODEC_ID_PCM_U24BE, pcm_u24be);
+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_S16LE, pcm_s16le);
-PCM_CODEC(CODEC_ID_PCM_S16BE, pcm_s16be);
-PCM_CODEC(CODEC_ID_PCM_U16LE, pcm_u16le);
-PCM_CODEC(CODEC_ID_PCM_U16BE, pcm_u16be);
-PCM_CODEC(CODEC_ID_PCM_S8, pcm_s8);
-PCM_CODEC(CODEC_ID_PCM_U8, pcm_u8);
-PCM_CODEC(CODEC_ID_PCM_ALAW, pcm_alaw);
-PCM_CODEC(CODEC_ID_PCM_MULAW, pcm_mulaw);
+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_IMA_QT, adpcm_ima_qt);
-PCM_CODEC(CODEC_ID_ADPCM_IMA_WAV, adpcm_ima_wav);
+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_WS, adpcm_ima_ws);
-PCM_CODEC(CODEC_ID_ADPCM_SMJPEG, adpcm_ima_smjpeg);
-PCM_CODEC(CODEC_ID_ADPCM_MS, adpcm_ms);
-PCM_CODEC(CODEC_ID_ADPCM_4XM, adpcm_4xm);
-PCM_CODEC(CODEC_ID_ADPCM_XA, adpcm_xa);
-PCM_CODEC(CODEC_ID_ADPCM_ADX, adpcm_adx);
-PCM_CODEC(CODEC_ID_ADPCM_EA, adpcm_ea);
-PCM_CODEC(CODEC_ID_ADPCM_G726, adpcm_g726);
-PCM_CODEC(CODEC_ID_ADPCM_CT, adpcm_ct);
-PCM_CODEC(CODEC_ID_ADPCM_SWF, adpcm_swf);
-PCM_CODEC(CODEC_ID_ADPCM_YAMAHA, adpcm_yamaha);
-PCM_CODEC(CODEC_ID_ADPCM_SBPRO_4, adpcm_sbpro_4);
-PCM_CODEC(CODEC_ID_ADPCM_SBPRO_3, adpcm_sbpro_3);
+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_XA, adpcm_xa);
+PCM_CODEC(CODEC_ID_ADPCM_YAMAHA, adpcm_yamaha);
#undef PCM_CODEC
/* dummy raw video codec */
-extern AVCodec rawvideo_encoder;
extern AVCodec rawvideo_decoder;
+extern AVCodec rawvideo_encoder;
/* the following codecs use external GPL libs */
-extern AVCodec ac3_decoder;
extern AVCodec dts_decoder;
+extern AVCodec liba52_decoder;
/* subtitles */
-extern AVCodec dvdsub_encoder;
-extern AVCodec dvdsub_decoder;
-extern AVCodec dvbsub_encoder;
extern AVCodec dvbsub_decoder;
+extern AVCodec dvbsub_encoder;
+extern AVCodec dvdsub_decoder;
+extern AVCodec dvdsub_encoder;
/* resample.c */
void av_resample_compensate(struct AVResampleContext *c, int sample_delta, int compensation_distance);
void av_resample_close(struct AVResampleContext *c);
+#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
/* YUV420 format is assumed ! */
-struct ImgReSampleContext;
+struct ImgReSampleContext attribute_deprecated;
-typedef struct ImgReSampleContext ImgReSampleContext;
+typedef struct ImgReSampleContext ImgReSampleContext attribute_deprecated;
-ImgReSampleContext *img_resample_init(int output_width, int output_height,
+attribute_deprecated ImgReSampleContext *img_resample_init(int output_width, int output_height,
int input_width, int input_height);
-ImgReSampleContext *img_resample_full_init(int owidth, int oheight,
+attribute_deprecated ImgReSampleContext *img_resample_full_init(int owidth, int oheight,
int iwidth, int iheight,
int topBand, int bottomBand,
int leftBand, int rightBand,
int padleft, int padright);
-void img_resample(ImgReSampleContext *s,
+attribute_deprecated void img_resample(ImgReSampleContext *s,
AVPicture *output, const AVPicture *input);
-void img_resample_close(ImgReSampleContext *s);
+attribute_deprecated void img_resample_close(ImgReSampleContext *s);
+
+#endif
/**
* Allocate memory for a picture. Call avpicture_free to free it.
* @param pix_fmt the format of the picture.
* @param width the width of the picture.
* @param height the height of the picture.
- * @return 0 if successful, -1 if not.
+ * @return Zero if successful, a negative value if not.
*/
int avpicture_alloc(AVPicture *picture, int pix_fmt, int width, int height);
int img_get_alpha_info(const AVPicture *src,
int pix_fmt, int width, int height);
+#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
/* convert among pixel formats */
-int img_convert(AVPicture *dst, int dst_pix_fmt,
+attribute_deprecated int img_convert(AVPicture *dst, int dst_pix_fmt,
const AVPicture *src, int pix_fmt,
int width, int height);
+#endif
/* deinterlace a picture */
int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
unsigned avcodec_version(void);
/* returns LIBAVCODEC_BUILD constant */
unsigned avcodec_build(void);
+
+/**
+ * Initializes libavcodec.
+ *
+ * @warning This function \e must be called before any other libavcodec
+ * function.
+ */
void avcodec_init(void);
void register_avcodec(AVCodec *format);
+
+/**
+ * Finds an 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.
+ *
+ * @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.
+ *
+ * @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.
+ *
+ * @param name Name of the requested decoder.
+ * @return A decoder if one was found, NULL otherwise.
+ */
AVCodec *avcodec_find_decoder_by_name(const char *name);
void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode);
+/**
+ * Sets the fields of the given AVCodecContext to default values.
+ *
+ * @param s The AVCodecContext of which the fields should be set to default values.
+ */
void avcodec_get_context_defaults(AVCodecContext *s);
+
+/**
+ * Allocates an AVCodecContext and sets 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
+ */
AVCodecContext *avcodec_alloc_context(void);
+
+/**
+ * Sets 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
+ * struct can be deallocated by simply calling av_free().
+ *
+ * @return An AVFrame filled with default values or NULL on failure.
+ * @see avcodec_get_frame_defaults
+ */
AVFrame *avcodec_alloc_frame(void);
int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic);
void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic);
int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic);
void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height);
+
+/**
+ * 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.
+ */
int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h);
enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat * fmt);
//FIXME func typedef
/**
- * opens / inits the AVCodecContext.
- * not thread save!
+ * Initializes 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 save!
+ *
+ * @code
+ * codec = avcodec_find_decoder(CODEC_ID_H264);
+ * if (!codec)
+ * exit(1);
+ *
+ * context = avcodec_alloc_context();
+ *
+ * if (avcodec_open(context, codec) < 0)
+ * exit(1);
+ * @endcode
+ *
+ * @param avctx The context which will be setup 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_context, avcodec_find_decoder, avcodec_find_encoder
*/
int avcodec_open(AVCodecContext *avctx, AVCodec *codec);
/**
- * Decode an audio frame.
- *
- * @param avctx the codec context.
- * @param samples output buffer, 16 byte aligned
- * @param frame_size_ptr the output buffer size in bytes, zero if no frame could be compressed
- * @param buf input buffer, 16 byte aligned
- * @param buf_size the input buffer size
- * @return 0 if successful, -1 if not.
+ * @deprecated Use avcodec_decode_audio2() instead.
*/
+attribute_deprecated int avcodec_decode_audio(AVCodecContext *avctx, int16_t *samples,
+ int *frame_size_ptr,
+ uint8_t *buf, int buf_size);
-int avcodec_decode_audio(AVCodecContext *avctx, int16_t *samples,
+/**
+ * Decodes an audio frame from \p buf into \p samples.
+ * The avcodec_decode_audio2() function decodes a frame of audio from the input
+ * buffer \p buf of size \p buf_size. To decode it, it makes use of the
+ * audiocodec which was coupled with \p avctx using avcodec_open(). The
+ * resulting decoded frame is stored in output buffer \p samples. 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().
+ *
+ * @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
+ * no overreading happens for damaged MPEG streams.
+ *
+ * @note You might have to align the input buffer \p buf 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
+ * bitstream should have 4 byte alignment at minimum and all sample data should
+ * be 16 byte aligned unless the CPU doesn't need it (AltiVec and SSE do). If
+ * the linesize is not a multiple of 16 then there's no sense in aligning the
+ * start of the buffer to 16.
+ *
+ * @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.
+ */
+int avcodec_decode_audio2(AVCodecContext *avctx, int16_t *samples,
int *frame_size_ptr,
uint8_t *buf, int buf_size);
+
+/**
+ * Decodes a video frame from \p buf into \p picture.
+ * The avcodec_decode_video() function decodes a frame of video from the input
+ * buffer \p buf of size \p buf_size. To decode it, it makes use of the
+ * videocodec which was coupled with \p avctx using avcodec_open(). The
+ * resulting decoded frame is stored in \p picture.
+ *
+ * @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
+ * no overreading happens for damaged MPEG streams.
+ *
+ * @note You might have to align the input buffer \p buf 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
+ * bitstream should have 4 byte alignment at minimum and all sample data should
+ * be 16 byte aligned unless the CPU doesn't need it (AltiVec and SSE do). If
+ * the linesize is not a multiple of 16 then there's no sense in aligning the
+ * start of the buffer to 16.
+ *
+ * @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 non zero.
+ * @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 *got_picture_ptr,
uint8_t *buf, int buf_size);
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 a frame of audio from the input
+ * buffer \p samples. To encode it, it makes use of the audiocodec 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.
+ *
+ * @param avctx The codec context.
+ * @param[out] buf The output buffer.
+ * @param[in] buf_size The output buffer size.
+ * @param[in] samples The input buffer containing the samples.
+ * @return On error a negative value is returned, on succes zero or the number
+ * of bytes used from the input buffer.
+ */
int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size,
const short *samples);
+
+/**
+ * Encodes a video frame from \p pict into \p buf.
+ * The avcodec_encode_video() function encodes a frame of video from the input
+ * \p pict. To encode it, it makes use of the videocodec 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
+ * stored using a specific format, namely \c avctx.pix_fmt.
+ *
+ * @param avctx The codec context.
+ * @param[out] buf The output buffer for the bitstream of encoded frame.
+ * @param[in] buf_size The size of the outputbuffer in bytes.
+ * @param[in] pict The input picture to encode.
+ * @return On error a negative value is returned, on success zero or the number
+ * of bytes used from the input buffer.
+ */
int avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
const AVFrame *pict);
int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
void avcodec_default_free_buffers(AVCodecContext *s);
-/* misc usefull functions */
+/* misc useful functions */
/**
* returns a single letter to describe the picture type
const uint8_t *buf, int buf_size, int keyframe);
void av_parser_close(AVCodecParserContext *s);
-extern AVCodecParser mpegvideo_parser;
-extern AVCodecParser mpeg4video_parser;
+extern AVCodecParser aac_parser;
+extern AVCodecParser ac3_parser;
extern AVCodecParser cavsvideo_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 pnm_parser;
+extern AVCodecParser mpeg4video_parser;
extern AVCodecParser mpegaudio_parser;
-extern AVCodecParser ac3_parser;
-extern AVCodecParser dvdsub_parser;
-extern AVCodecParser dvbsub_parser;
-extern AVCodecParser aac_parser;
+extern AVCodecParser mpegvideo_parser;
+extern AVCodecParser pnm_parser;
+extern AVCodecParser vc1_parser;
typedef struct AVBitStreamFilterContext {
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;
/* memory */
int img_pad(AVPicture *dst, const AVPicture *src, int height, int width, int pix_fmt,
int padtop, int padbottom, int padleft, int padright, int *color);
-/* endian macros */
-#if !defined(BE_16) || !defined(BE_32) || !defined(LE_16) || !defined(LE_32)
-#define BE_16(x) ((((uint8_t*)(x))[0] << 8) | ((uint8_t*)(x))[1])
-#define BE_32(x) ((((uint8_t*)(x))[0] << 24) | \
- (((uint8_t*)(x))[1] << 16) | \
- (((uint8_t*)(x))[2] << 8) | \
- ((uint8_t*)(x))[3])
-#define LE_16(x) ((((uint8_t*)(x))[1] << 8) | ((uint8_t*)(x))[0])
-#define LE_32(x) ((((uint8_t*)(x))[3] << 24) | \
- (((uint8_t*)(x))[2] << 16) | \
- (((uint8_t*)(x))[1] << 8) | \
- ((uint8_t*)(x))[0])
-#endif
-
extern unsigned int av_xiphlacing(unsigned char *s, unsigned int v);
+/* 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 AVUNERROR(e) (-(e)) /**< returns a POSIX error code from a library function error return value. */
+#else
+/* some platforms have E* and errno already negated. */
+#define AVERROR(e) (e)
+#define AVUNERROR(e) (e)
+#endif
+#define AVERROR_UNKNOWN AVERROR(EINVAL) /**< unknown error */
+#define AVERROR_IO AVERROR(EIO) /**< i/o error */
+#define AVERROR_NUMEXPECTED AVERROR(EDOM) /**< number syntax expected in filename */
+#define AVERROR_INVALIDDATA AVERROR(EINVAL) /**< invalid data found */
+#define AVERROR_NOMEM AVERROR(ENOMEM) /**< not enough memory */
+#define AVERROR_NOFMT AVERROR(EILSEQ) /**< unknown format */
+#define AVERROR_NOTSUPP AVERROR(ENOSYS) /**< operation not supported */
+
#ifdef __cplusplus
}
#endif
projects / ffmpeg / blobdiff