- * Commands
- * order can't be changed - once it was defined
- */
-typedef enum {
- // general commands
- AVC_OPEN_BY_NAME = 0xACA000,
- AVC_OPEN_BY_CODEC_ID,
- AVC_OPEN_BY_FOURCC,
- AVC_CLOSE,
-
- AVC_FLUSH,
- // pin - struct { uint8_t* src, uint_t src_size }
- // pout - struct { AVPicture* img, consumed_bytes,
- AVC_DECODE,
- // pin - struct { AVPicture* img, uint8_t* dest, uint_t dest_size }
- // pout - uint_t used_from_dest_size
- AVC_ENCODE,
-
- // query/get video commands
- AVC_GET_VERSION = 0xACB000,
- AVC_GET_WIDTH,
- AVC_GET_HEIGHT,
- AVC_GET_DELAY,
- AVC_GET_QUANT_TABLE,
- // ...
-
- // query/get audio commands
- AVC_GET_FRAME_SIZE = 0xABC000,
-
- // maybe define some simple structure which
- // might be passed to the user - but they can't
- // contain any codec specific parts and these
- // calls are usualy necessary only few times
-
- // set video commands
- AVC_SET_WIDTH = 0xACD000,
- AVC_SET_HEIGHT,
-
- // set video encoding commands
- AVC_SET_FRAME_RATE = 0xACD800,
- AVC_SET_QUALITY,
- AVC_SET_HURRY_UP,
-
- // set audio commands
- AVC_SET_SAMPLE_RATE = 0xACE000,
- AVC_SET_CHANNELS,
-
-} avc_cmd_t;
-
-/**
- * \param handle allocated private structure by libavcodec
- * for initialization pass NULL - will be returned pout
- * user is supposed to know nothing about its structure
- * \param cmd type of operation to be performed
- * \param pint input parameter
- * \param pout output parameter
- *
- * \returns command status - eventually for query command it might return
- * integer resulting value