AV_CODEC_ID_TAK,
AV_CODEC_ID_METASOUND,
AV_CODEC_ID_PAF_AUDIO,
+ AV_CODEC_ID_ON2AVC,
/* subtitle codecs */
AV_CODEC_ID_FIRST_SUBTITLE = 0x17000, ///< A dummy ID pointing at the start of subtitle codecs.
#define CODEC_FLAG_4MV 0x0004 ///< 4 MV per MB allowed / advanced prediction for H.263.
#define CODEC_FLAG_OUTPUT_CORRUPT 0x0008 ///< Output even those frames that might be corrupted
#define CODEC_FLAG_QPEL 0x0010 ///< Use qpel MC.
+#if FF_API_GMC
+/**
+ * @deprecated use the "gmc" private option of the libxvid encoder
+ */
#define CODEC_FLAG_GMC 0x0020 ///< Use GMC.
-#define CODEC_FLAG_MV0 0x0040 ///< Always try a MB with MV=<0,0>.
+#endif
+#if FF_API_MV0
+/**
+ * @deprecated use the flag "mv0" in the "mpv_flags" private option of the
+ * mpegvideo encoders
+ */
+#define CODEC_FLAG_MV0 0x0040
+#endif
+#if FF_API_INPUT_PRESERVED
/**
- * 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
- * this is not set the input will be copied.
+ * @deprecated passing reference-counted frames to the encoders replaces this
+ * flag
*/
#define CODEC_FLAG_INPUT_PRESERVED 0x0100
+#endif
#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_GRAY 0x2000 ///< Only decode/encode grayscale.
#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.
+#if FF_API_NORMALIZE_AQP
+/**
+ * @deprecated use the flag "naq" in the "mpv_flags" private option of the
+ * mpegvideo encoders
+ */
+#define CODEC_FLAG_NORMALIZE_AQP 0x00020000
+#endif
#define CODEC_FLAG_INTERLACED_DCT 0x00040000 ///< Use interlaced DCT.
#define CODEC_FLAG_LOW_DELAY 0x00080000 ///< Force low delay.
#define CODEC_FLAG_GLOBAL_HEADER 0x00400000 ///< Place global headers in extradata instead of every keyframe.
* ReplayGain information in form of the AVReplayGain struct.
*/
AV_PKT_DATA_REPLAYGAIN,
+
+ /**
+ * This side data contains a 3x3 transformation matrix describing an affine
+ * transformation that needs to be applied to the decoded video frames for
+ * correct presentation.
+ *
+ * See libavutil/display.h for a detailed description of the data.
+ */
+ AV_PKT_DATA_DISPLAYMATRIX,
};
typedef struct AVPacketSideData {
enum AVMediaType codec_type; /* see AVMEDIA_TYPE_xxx */
const struct AVCodec *codec;
+#if FF_API_CODEC_NAME
+ /**
+ * @deprecated this field is not used for anything in libavcodec
+ */
+ attribute_deprecated
char codec_name[32];
+#endif
enum AVCodecID codec_id; /* see AV_CODEC_ID_xxx */
/**
* encoded input.
*
* Audio:
- * For encoding, this is the number of "priming" samples added to the
- * beginning of the stream. The decoded output will be delayed by this
- * many samples relative to the input to the encoder. Note that this
- * field is purely informational and does not directly affect the pts
- * output by the encoder, which should always be based on the actual
- * presentation time, including any delay.
+ * For encoding, this is the number of "priming" samples added by the
+ * encoder to the beginning of the stream. The decoded output will be
+ * delayed by this many samples relative to the input to the encoder (or
+ * more, if the decoder adds its own padding).
+ * The timestamps on the output packets are adjusted by the encoder so
+ * that they always refer to the first sample of the data actually
+ * contained in the packet, including any added padding.
+ * E.g. if the timebase is 1/samplerate and the timestamp of the first
+ * input sample is 0, the timestamp of the first output packet will be
+ * -delay.
+ *
* For decoding, this is the number of samples the decoder needs to
* output before the decoder's output is valid. When seeking, you should
* start decoding this many samples prior to your desired seek point.
*/
int capabilities;
+ /*****************************************************************
+ * No fields below this line are part of the public API. They
+ * may not be used outside of libavcodec and can be changed and
+ * removed at will.
+ * New public fields should be added right above.
+ *****************************************************************
+ */
struct AVHWAccel *next;
+ /**
+ * Allocate a custom buffer
+ */
+ int (*alloc_frame)(AVCodecContext *avctx, AVFrame *frame);
+
/**
* Called at the beginning of each frame or field picture.
*
int (*end_frame)(AVCodecContext *avctx);
/**
- * Size of HW accelerator private data.
+ * Size of per-frame hardware accelerator private data.
*
* Private data is allocated with av_mallocz() before
* AVCodecContext.get_buffer() and deallocated after
* AVCodecContext.release_buffer().
*/
+ int frame_priv_data_size;
+
+ /**
+ * Initialize the hwaccel private data.
+ *
+ * This will be called from ff_get_format(), after hwaccel and
+ * hwaccel_context are set and the hwaccel private data in AVCodecInternal
+ * is allocated.
+ */
+ int (*init)(AVCodecContext *avctx);
+
+ /**
+ * Uninitialize the hwaccel private data.
+ *
+ * This will be called from get_format() or avcodec_close(), after hwaccel
+ * and hwaccel_context are already uninitialized.
+ */
+ int (*uninit)(AVCodecContext *avctx);
+
+ /**
+ * Size of the private data to allocate in
+ * AVCodecInternal.hwaccel_priv_data.
+ */
int priv_data_size;
} AVHWAccel;
void avcodec_register_all(void);
/**
- * Allocate an AVCodecContext and set its fields to default values. The
- * resulting struct can be deallocated by calling avcodec_close() on it followed
- * by av_free().
+ * Allocate an AVCodecContext and set its fields to default values. The
+ * resulting struct should be freed with avcodec_free_context().
*
* @param codec if non-NULL, allocate private data and initialize defaults
* for the given codec. It is illegal to then call avcodec_open2()
*/
AVCodecContext *avcodec_alloc_context3(const AVCodec *codec);
+/**
+ * Free the codec context and everything associated with it and write NULL to
+ * the provided pointer.
+ */
+void avcodec_free_context(AVCodecContext **avctx);
+
/**
* Set the fields of the given AVCodecContext to default values corresponding
* to the given codec (defaults may be codec-dependent).
projects / ffmpeg / blobdiff