AV_CODEC_ID_OTF = MKBETAG( 0 ,'O','T','F'),
AV_CODEC_ID_SMPTE_KLV = MKBETAG('K','L','V','A'),
AV_CODEC_ID_DVD_NAV = MKBETAG('D','N','A','V'),
+ AV_CODEC_ID_TIMED_ID3 = MKBETAG('T','I','D','3'),
AV_CODEC_ID_PROBE = 0x19000, ///< codec_id is not known (like AV_CODEC_ID_NONE) but lavf should attempt to identify it
#define CODEC_CAP_DR1 0x0002
#define CODEC_CAP_TRUNCATED 0x0008
#if FF_API_XVMC
-/* Codec can export data for HW decoding (XvMC). */
+/* Codec can export data for HW decoding. This flag indicates that
+ * the codec would call get_format() with list that might contain HW accelerated
+ * pixel formats (XvMC, VDPAU, VAAPI, etc). The application can pick any of them
+ * including raw image format.
+ * The application can use the passed context to determine bitstream version,
+ * chroma format, resolution etc.
+ */
#define CODEC_CAP_HWACCEL 0x0010
#endif /* FF_API_XVMC */
/**
* XVideo Motion Acceleration
* - encoding: forbidden
* - decoding: set by decoder
- * @deprecated XvMC support is slated for removal.
+ * @deprecated XvMC doesn't need it anymore.
*/
attribute_deprecated int xvmc_acceleration;
#endif /* FF_API_XVMC */
* avcodec_align_dimensions2() should be used to find the required width and
* height, as they normally need to be rounded up to the next multiple of 16.
*
+ * Some decoders do not support linesizes changing between frames.
+ *
* If frame multithreading is used and thread_safe_callbacks is set,
* this callback may be called from a different thread, but not from more
* than one at once. Does not need to be reentrant.
int av_codec_get_max_lowres(const AVCodec *codec);
+struct MpegEncContext;
+
/**
* AVHWAccel.
*/
*
* Meaningful slice information (codec specific) is guaranteed to
* be parsed at this point. This function is mandatory.
+ * The only exception is XvMC, that works on MB level.
*
* @param avctx the codec context
* @param buf the slice data buffer base
* AVCodecContext.release_buffer().
*/
int priv_data_size;
+
+ /**
+ * Called for every Macroblock in a slice.
+ *
+ * XvMC uses it to replace the ff_MPV_decode_mb().
+ * Instead of decoding to raw picture, MB parameters are
+ * stored in an array provided by the video driver.
+ *
+ * @param s the mpeg context
+ */
+ void (*decode_mb)(struct MpegEncContext *s);
} AVHWAccel;
/**