#include "libavutil/rational.h"
#include "avcodec.h"
-typedef struct DVwork_chunk {
- uint16_t buf_offset;
- uint16_t mb_coordinates[5];
-} DVwork_chunk;
-
/*
- * DVprofile is used to express the differences between various
+ * AVDVProfile is used to express the differences between various
* DV flavors. For now it's primarily used for differentiating
* 525/60 and 625/50, but the plans are to use it for various
* DV specs as well (e.g. SMPTE314M vs. IEC 61834).
*/
-typedef struct DVprofile {
+typedef struct AVDVProfile {
int dsf; /* value of the dsf in the DV header */
int video_stype; /* stype for VAUX source pack */
int frame_size; /* total size of one frame in bytes */
int height; /* picture height in pixels */
int width; /* picture width in pixels */
AVRational sar[2]; /* sample aspect ratios for 4:3 and 16:9 */
- DVwork_chunk *work_chunks; /* each thread gets its own chunk of frame to work on */
- uint32_t *idct_factor; /* set of iDCT factor tables */
- enum PixelFormat pix_fmt; /* picture pixel format */
+ enum AVPixelFormat pix_fmt; /* picture pixel format */
int bpm; /* blocks per macroblock */
const uint8_t *block_sizes; /* AC block sizes, in bits */
int audio_stride; /* size of audio_shuffle table */
int audio_samples_dist[5]; /* how many samples are supposed to be */
/* in each frame in a 5 frames window */
const uint8_t (*audio_shuffle)[9]; /* PCM shuffling table */
-} DVprofile;
+} AVDVProfile;
-const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
- const uint8_t* frame, unsigned buf_size);
-const DVprofile* avpriv_dv_codec_profile(AVCodecContext* codec);
+/**
+ * Get a DV profile for the provided compressed frame.
+ *
+ * @param sys the profile used for the previous frame, may be NULL
+ * @param frame the compressed data buffer
+ * @param buf_size size of the buffer in bytes
+ * @return the DV profile for the supplied data or NULL on failure
+ */
+const AVDVProfile *av_dv_frame_profile(const AVDVProfile *sys,
+ const uint8_t *frame, unsigned buf_size);
/**
- * Print all allowed DV profiles into logctx at specified logging level.
+ * Get a DV profile for the provided stream parameters.
*/
-void ff_dv_print_profiles(void *logctx, int loglevel);
+const AVDVProfile *av_dv_codec_profile(int width, int height, enum AVPixelFormat pix_fmt);
#endif /* AVCODEC_DV_PROFILE_H */