CODEC_ID_PRORES,
CODEC_ID_JV,
CODEC_ID_DFA,
+ CODEC_ID_WMV3IMAGE,
+ CODEC_ID_VC1IMAGE,
CODEC_ID_8SVX_RAW,
CODEC_ID_G2M,
/* other specific kind of codecs (generally used for attachments) */
CODEC_ID_FIRST_UNKNOWN = 0x18000, ///< A dummy ID pointing at the start of various fake codecs.
CODEC_ID_TTF= 0x18000,
+ CODEC_ID_BINTEXT,
+ CODEC_ID_XBIN,
+ CODEC_ID_IDF,
CODEC_ID_PROBE= 0x19000, ///< codec_id is not known (like CODEC_ID_NONE) but lavf should attempt to identify it
#define CODEC_FLAG_QPEL 0x0010 ///< Use qpel MC.
#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.
/**
* The parent program guarantees that the input for B-frames containing
* streams is not written to for at least s->max_b_frames+1 frames, if
#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_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 CODEC_FLAG_ALT_SCAN 0x00100000 ///< Use alternate scan.
#define CODEC_FLAG_GLOBAL_HEADER 0x00400000 ///< Place global headers in extradata instead of every keyframe.
#define CODEC_FLAG_BITEXACT 0x00800000 ///< Use only bitexact stuff (except (I)DCT).
/* Fx : Flag for h263+ extra options */
#define CODEC_FLAG_AC_PRED 0x01000000 ///< H.263 advanced intra coding / MPEG-4 AC prediction
-#define CODEC_FLAG_H263P_UMV 0x02000000 ///< unlimited motion vector
#define CODEC_FLAG_CBP_RD 0x04000000 ///< Use rate distortion optimization for cbp.
#define CODEC_FLAG_QP_RD 0x08000000 ///< Use rate distortion optimization for qp selectioon.
-#define CODEC_FLAG_H263P_AIV 0x00000008 ///< H.263 alternative inter VLC
-#define CODEC_FLAG_OBMC 0x00000001 ///< OBMC
#define CODEC_FLAG_LOOP_FILTER 0x00000800 ///< loop filter
-#define CODEC_FLAG_H263P_SLICE_STRUCT 0x10000000
#define CODEC_FLAG_INTERLACED_ME 0x20000000 ///< interlaced motion estimation
-#define CODEC_FLAG_SVCD_SCAN_OFFSET 0x40000000 ///< Will reserve space for SVCD scan offset user data.
#define CODEC_FLAG_CLOSED_GOP 0x80000000
#define CODEC_FLAG2_FAST 0x00000001 ///< Allow non spec compliant speedup tricks.
#define CODEC_FLAG2_STRICT_GOP 0x00000002 ///< Strictly enforce GOP size.
#define CODEC_FLAG2_NO_OUTPUT 0x00000004 ///< Skip bitstream encoding.
#define CODEC_FLAG2_LOCAL_HEADER 0x00000008 ///< Place global headers at every keyframe instead of in extradata.
+#define CODEC_FLAG2_SKIP_RD 0x00004000 ///< RD optimal MB level residual skipping
+#define CODEC_FLAG2_CHUNKS 0x00008000 ///< Input bitstream might be truncated at a packet boundaries instead of only at frame boundaries.
+#define CODEC_FLAG2_SHOW_ALL 0x00400000 ///< Show all frames before the first keyframe
+/**
+ * @defgroup deprecated_flags Deprecated codec flags
+ * Use corresponding private codec options instead.
+ * @{
+ */
+#if FF_API_MPEGVIDEO_GLOBAL_OPTS
+#define CODEC_FLAG_OBMC 0x00000001 ///< OBMC
+#define CODEC_FLAG_H263P_AIV 0x00000008 ///< H.263 alternative inter VLC
+#define CODEC_FLAG_PART 0x0080 ///< Use data partitioning.
+#define CODEC_FLAG_ALT_SCAN 0x00100000 ///< Use alternate scan.
+#define CODEC_FLAG_H263P_UMV 0x02000000 ///< unlimited motion vector
+#define CODEC_FLAG_H263P_SLICE_STRUCT 0x10000000
+#define CODEC_FLAG_SVCD_SCAN_OFFSET 0x40000000 ///< Will reserve space for SVCD scan offset user data.
+#define CODEC_FLAG2_INTRA_VLC 0x00000800 ///< Use MPEG-2 intra VLC table.
+#define CODEC_FLAG2_DROP_FRAME_TIMECODE 0x00002000 ///< timecode is in drop frame format.
+#define CODEC_FLAG2_NON_LINEAR_QUANT 0x00010000 ///< Use MPEG-2 nonlinear quantizer.
+#endif
+#if FF_API_MJPEG_GLOBAL_OPTS
+#define CODEC_FLAG_EXTERN_HUFF 0x1000 ///< Use external Huffman table (for MJPEG).
+#endif
+#if FF_API_X264_GLOBAL_OPTS
#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 one reference per partition, as opposed to one reference per macroblock
#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 skipping
-#define CODEC_FLAG2_CHUNKS 0x00008000 ///< Input bitstream might be truncated at a packet boundaries instead of only at frame boundaries.
-#define CODEC_FLAG2_NON_LINEAR_QUANT 0x00010000 ///< Use MPEG-2 nonlinear quantizer.
-#define CODEC_FLAG2_BIT_RESERVOIR 0x00020000 ///< Use a bit reservoir when encoding if possible
#define CODEC_FLAG2_MBTREE 0x00040000 ///< Use macroblock tree ratecontrol (x264 only)
#define CODEC_FLAG2_PSY 0x00080000 ///< Use psycho visual optimizations.
#define CODEC_FLAG2_SSIM 0x00100000 ///< Compute SSIM during encoding, error[] values are undefined.
#define CODEC_FLAG2_INTRA_REFRESH 0x00200000 ///< Use periodic insertion of intra blocks instead of keyframes.
+#endif
+#if FF_API_SNOW_GLOBAL_OPTS
+#define CODEC_FLAG2_MEMC_ONLY 0x00001000 ///< Only do ME/MC (I frames -> ref, P frame -> ME+MC).
+#endif
+#if FF_API_LAME_GLOBAL_OPTS
+#define CODEC_FLAG2_BIT_RESERVOIR 0x00020000 ///< Use a bit reservoir when encoding if possible
+#endif
+/**
+ * @}
+ */
/* Unsupported options :
* Syntax Arithmetic coding (SAC)
* New fields can be added to the end with minor version bumps.
* Removal, reordering and changes to existing fields require a major
* version bump.
+ * Please use AVOptions (av_opt* / av_set/get*()) to access these fields from user
+ * applications.
* sizeof(AVCodecContext) must not be used outside libav*.
*/
typedef struct AVCodecContext {
int lowres;
/**
- * Bitstream width / height, may be different from width/height if lowres
- * or other things are used.
+ * Bitstream width / height, may be different from width/height if lowres enabled.
* - encoding: unused
* - decoding: Set by user before init if known. Codec should override / dynamically change if needed.
*/
*/
int brd_scale;
+#if FF_API_X264_GLOBAL_OPTS
/**
* constant rate factor - quality-based VBR - values ~correspond to qps
* - encoding: Set by user.
* - decoding: unused
+ * @deprecated use 'crf' libx264 private option
*/
- float crf;
+ attribute_deprecated float crf;
/**
* constant quantization parameter rate control method
* - encoding: Set by user.
* - decoding: unused
+ * @deprecated use 'cqp' libx264 private option
*/
- int cqp;
+ attribute_deprecated int cqp;
+#endif
/**
* minimum GOP size
*/
int chromaoffset;
+#if FF_API_X264_GLOBAL_OPTS
/**
* Influences how often B-frames are used.
* - encoding: Set by user.
* - decoding: unused
*/
- int bframebias;
+ attribute_deprecated int bframebias;
+#endif
/**
* trellis RD quantization
*/
int trellis;
+#if FF_API_X264_GLOBAL_OPTS
/**
* Reduce fluctuations in qp (before curve compression).
* - encoding: Set by user.
* - decoding: unused
*/
- float complexityblur;
+ attribute_deprecated float complexityblur;
/**
* in-loop deblocking filter alphac0 parameter
* - encoding: Set by user.
* - decoding: unused
*/
- int deblockalpha;
+ attribute_deprecated int deblockalpha;
/**
* in-loop deblocking filter beta parameter
* - encoding: Set by user.
* - decoding: unused
*/
- int deblockbeta;
+ attribute_deprecated int deblockbeta;
/**
* macroblock subpartition sizes to consider - p8x8, p4x4, b8x8, i8x8, i4x4
* - encoding: Set by user.
* - decoding: unused
*/
- int partitions;
+ attribute_deprecated int partitions;
#define X264_PART_I4X4 0x001 /* Analyze i4x4 */
#define X264_PART_I8X8 0x002 /* Analyze i8x8 (requires 8x8 transform) */
#define X264_PART_P8X8 0x010 /* Analyze p16x8, p8x16 and p8x8 */
* - encoding: Set by user.
* - decoding: unused
*/
- int directpred;
+ attribute_deprecated int directpred;
+#endif
/**
* Audio cutoff bandwidth (0 means "automatic")
*/
int (*execute2)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count);
+#if FF_API_X264_GLOBAL_OPTS
/**
* explicit P-frame weighted prediction analysis method
* 0: off
* - encoding: Set by user.
* - decoding: unused
*/
- int weighted_p_pred;
+ attribute_deprecated int weighted_p_pred;
/**
* AQ mode
* - encoding: Set by user
* - decoding: unused
*/
- int aq_mode;
+ attribute_deprecated int aq_mode;
/**
* AQ strength
* - encoding: Set by user
* - decoding: unused
*/
- float aq_strength;
+ attribute_deprecated float aq_strength;
/**
* PSY RD
* - encoding: Set by user
* - decoding: unused
*/
- float psy_rd;
+ attribute_deprecated float psy_rd;
/**
* PSY trellis
* - encoding: Set by user
* - decoding: unused
*/
- float psy_trellis;
+ attribute_deprecated float psy_trellis;
/**
* RC lookahead
* - encoding: Set by user
* - decoding: unused
*/
- int rc_lookahead;
+ attribute_deprecated int rc_lookahead;
/**
* Constant rate factor maximum
* - encoding: Set by user.
* - decoding: unused
*/
- float crf_max;
+ attribute_deprecated float crf_max;
+#endif
int log_level_offset;
* - decoding: Set by user, otherwise the default is used.
*/
int thread_type;
-#define FF_THREAD_FRAME 1 //< Decode more than one frame at once
-#define FF_THREAD_SLICE 2 //< Decode more than one part of a single frame at once
+#define FF_THREAD_FRAME 1 ///< Decode more than one frame at once
+#define FF_THREAD_SLICE 2 ///< Decode more than one part of a single frame at once
/**
* Which multithreading methods are in use by the codec.
int linesize[4]; ///< number of bytes per line
} AVPicture;
+#define AVPALETTE_SIZE 1024
+#define AVPALETTE_COUNT 256
#if FF_API_PALETTE_CONTROL
/**
* AVPaletteControl
* @deprecated Use AVPacket to send palette changes instead.
* This is totally broken.
*/
-#define AVPALETTE_SIZE 1024
-#define AVPALETTE_COUNT 256
typedef struct AVPaletteControl {
/* Demuxer sets this to 1 to indicate the palette has changed;
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);
+/**
+ * Get the name of a codec.
+ * @return a static string identifying the codec; never NULL
+ */
+const char *avcodec_get_name(enum CodecID id);
+
#if FF_API_GET_PIX_FMT_NAME
/**
* Return the short name for a pixel format.
* @param[in] dst_pix_fmt destination pixel format
* @param[in] src_pix_fmt source pixel format
* @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.
+ * @return Combination of flags informing you what kind of losses will occur
+ * (maximum loss for an invalid dst_pix_fmt).
*/
int avcodec_get_pix_fmt_loss(enum PixelFormat dst_pix_fmt, enum PixelFormat src_pix_fmt,
int has_alpha);
enum PixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum PixelFormat src_pix_fmt,
int has_alpha, int *loss_ptr);
+/**
+ * Find the best pixel format to convert to given a certain source pixel
+ * format and a selection of two destination pixel formats. 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 some formats to other formats. avcodec_find_best_pix_fmt2() selects which of
+ * the given pixel formats should be used to suffer the least amount of loss.
+ *
+ * If one of the destination formats is PIX_FMT_NONE the other pixel format (if valid) will be
+ * returned.
+ *
+ * @code
+ * src_pix_fmt = PIX_FMT_YUV420P;
+ * dst_pix_fmt1= PIX_FMT_RGB24;
+ * dst_pix_fmt2= PIX_FMT_GRAY8;
+ * dst_pix_fmt3= PIX_FMT_RGB8;
+ * loss= FF_LOSS_CHROMA; // don't care about chroma loss, so chroma loss will be ignored.
+ * dst_pix_fmt = avcodec_find_best_pix_fmt2(dst_pix_fmt1, dst_pix_fmt2, src_pix_fmt, alpha, &loss);
+ * dst_pix_fmt = avcodec_find_best_pix_fmt2(dst_pix_fmt, dst_pix_fmt3, src_pix_fmt, alpha, &loss);
+ * @endcode
+ *
+ * @param[in] dst_pix_fmt1 One of the two destination pixel formats to choose from
+ * @param[in] dst_pix_fmt2 The other of the two destination pixel formats to choose from
+ * @param[in] src_pix_fmt Source pixel format
+ * @param[in] has_alpha Whether the source pixel format alpha channel is used.
+ * @param[in, out] loss_ptr Combination of loss flags. In: selects which of the losses to ignore, i.e.
+ * NULL or value of zero means we care about all losses. Out: the loss
+ * that occurs when converting from src to selected dst pixel format.
+ * @return The best pixel format to convert to or -1 if none was found.
+ */
+enum PixelFormat avcodec_find_best_pix_fmt2(enum PixelFormat dst_pix_fmt1, enum PixelFormat dst_pix_fmt2,
+ enum PixelFormat src_pix_fmt, int has_alpha, int *loss_ptr);
+
#define FF_ALPHA_TRANSP 0x0001 /* image has some totally transparent pixels */
#define FF_ALPHA_SEMI_TRANSP 0x0002 /* image has some transparent pixels */
*/
enum AVMediaType avcodec_get_type(enum CodecID codec_id);
+/**
+ * Get the AVClass for AVCodecContext. It can be used in combination with
+ * AV_OPT_SEARCH_FAKE_OBJ for examining options.
+ *
+ * @see av_opt_find().
+ */
+const AVClass *avcodec_get_class(void);
+
#endif /* AVCODEC_AVCODEC_H */
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