* Codec properties, a combination of AV_CODEC_PROP_* flags.
*/
int props;
-
/**
* MIME type(s) associated with the codec.
* May be NULL; if not, a NULL-terminated array of MIME types.
* The first item is always non-NULL and is the preferred MIME type.
*/
const char *const *mime_types;
+ /**
+ * If non-NULL, an array of profiles recognized for this codec.
+ * Terminated with FF_PROFILE_UNKNOWN.
+ */
+ const struct AVProfile *profiles;
} AVCodecDescriptor;
/**
int16_t position[3][2];
}AVPanScan;
+/**
+ * This structure describes the bitrate properties of an encoded bitstream. It
+ * roughly corresponds to a subset the VBV parameters for MPEG-2 or HRD
+ * parameters for H.264/HEVC.
+ */
+typedef struct AVCPBProperties {
+ /**
+ * Maximum bitrate of the stream, in bits per second.
+ * Zero if unknown or unspecified.
+ */
+ int max_bitrate;
+ /**
+ * Minimum bitrate of the stream, in bits per second.
+ * Zero if unknown or unspecified.
+ */
+ int min_bitrate;
+ /**
+ * Average bitrate of the stream, in bits per second.
+ * Zero if unknown or unspecified.
+ */
+ int avg_bitrate;
+
+ /**
+ * The size of the buffer to which the ratecontrol is applied, in bits.
+ * Zero if unknown or unspecified.
+ */
+ int buffer_size;
+
+ /**
+ * The delay between the time the packet this structure is associated with
+ * is received and the time when it should be decoded, in periods of a 27MHz
+ * clock.
+ *
+ * UINT64_MAX when unknown or unspecified.
+ */
+ uint64_t vbv_delay;
+} AVCPBProperties;
+
#if FF_API_QSCALE_TYPE
#define FF_QSCALE_TYPE_MPEG1 0
#define FF_QSCALE_TYPE_MPEG2 1
*/
AV_PKT_DATA_FALLBACK_TRACK,
+ /**
+ * This side data corresponds to the AVCPBProperties struct.
+ */
+ AV_PKT_DATA_CPB_PROPERTIES,
+
/**
* Recommmends skipping the specified number of samples
* @code
*/
int rc_initial_buffer_occupancy;
+#if FF_API_CODER_TYPE
#define FF_CODER_TYPE_VLC 0
#define FF_CODER_TYPE_AC 1
#define FF_CODER_TYPE_RAW 2
#define FF_CODER_TYPE_DEFLATE 4
#endif /* FF_API_UNUSED_MEMBERS */
/**
- * coder type
- * - encoding: Set by user.
- * - decoding: unused
+ * @deprecated use encoder private options instead
*/
+ attribute_deprecated
int coder_type;
+#endif /* FF_API_CODER_TYPE */
/**
* context model
/* This doesn't take account of any particular */
/* headers inside the transmitted RTP payload. */
+#if FF_API_STAT_BITS
/* statistics, used for 2-pass encoding */
+ attribute_deprecated
int mv_bits;
+ attribute_deprecated
int header_bits;
+ attribute_deprecated
int i_tex_bits;
+ attribute_deprecated
int p_tex_bits;
+ attribute_deprecated
int i_count;
+ attribute_deprecated
int p_count;
+ attribute_deprecated
int skip_count;
+ attribute_deprecated
int misc_bits;
- /**
- * number of bits used for the previously encoded frame
- * - encoding: Set by libavcodec.
- * - decoding: unused
- */
+ /** @deprecated this field is unused */
+ attribute_deprecated
int frame_bits;
+#endif
/**
* pass1 encoding statistics output buffer
int error_rate;
#endif
+#if FF_API_VBV_DELAY
/**
* VBV delay coded in the last frame (in periods of a 27 MHz clock).
* Used for compliant TS muxing.
* - encoding: Set by libavcodec.
* - decoding: unused.
+ * @deprecated this value is now exported as a part of
+ * AV_PKT_DATA_CPB_PROPERTIES packet side data
*/
+ attribute_deprecated
uint64_t vbv_delay;
+#endif
#if FF_API_SIDEDATA_ONLY_PKT
/**
unsigned properties;
#define FF_CODEC_PROPERTY_LOSSLESS 0x00000001
#define FF_CODEC_PROPERTY_CLOSED_CAPTIONS 0x00000002
+
+ /**
+ * Additional data associated with the entire coded stream.
+ *
+ * - decoding: unused
+ * - encoding: may be set by libavcodec after avcodec_open2().
+ */
+ AVPacketSideData *coded_side_data;
+ int nb_coded_side_data;
+
} AVCodecContext;
AVRational av_codec_get_pkt_timebase (const AVCodecContext *avctx);
uint8_t* av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
int size);
+/**
+ * Wrap an existing array as a packet side data.
+ *
+ * @param pkt packet
+ * @param type side information type
+ * @param data the side data array. It must be allocated with the av_malloc()
+ * family of functions. The ownership of the data is transferred to
+ * pkt.
+ * @param size side information size
+ * @return a non-negative number on success, a negative AVERROR code on
+ * failure. On failure, the packet is unchanged and the data remains
+ * owned by the caller.
+ */
+int av_packet_add_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
+ uint8_t *data, size_t size);
+
/**
* Shrink the already allocated side data buffer
*
*/
const char *av_get_profile_name(const AVCodec *codec, int profile);
+/**
+ * Return a name for the specified profile, if available.
+ *
+ * @param codec_id the ID of the codec to which the requested profile belongs
+ * @param profile the profile value for which a name is requested
+ * @return A name for the profile if found, NULL otherwise.
+ *
+ * @note unlike av_get_profile_name(), which searches a list of profiles
+ * supported by a specific decoder or encoder implementation, this
+ * function searches the list of profiles from the AVCodecDescriptor
+ */
+const char *avcodec_profile_name(enum AVCodecID codec_id, int profile);
+
int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void *arg, int *ret, int count, int size);
int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int, int),void *arg, int *ret, int count);
//FIXME func typedef
*/
const AVCodecDescriptor *avcodec_descriptor_get_by_name(const char *name);
+/**
+ * Allocate a CPB properties structure and initialize its fields to default
+ * values.
+ *
+ * @param size if non-NULL, the size of the allocated struct will be written
+ * here. This is useful for embedding it in side data.
+ *
+ * @return the newly allocated struct or NULL on failure
+ */
+AVCPBProperties *av_cpb_properties_alloc(size_t *size);
+
/**
* @}
*/
projects / ffmpeg / blobdiff