*/
/**
- * @file mjpegdec.h
+ * @file
* MJPEG decoder.
*/
#define AVCODEC_MJPEGDEC_H
#include "avcodec.h"
-#include "bitstream.h"
+#include "get_bits.h"
#include "dsputil.h"
#define MAX_COMPONENTS 4
uint8_t *buffer;
int16_t quant_matrixes[4][64];
- VLC vlcs[2][4];
+ VLC vlcs[3][4];
int qscale[4]; ///< quantizer scale calculated from quant_matrixes
int org_height; /* size given at codec init */
int quant_index[4]; /* quant table index for each component */
int last_dc[MAX_COMPONENTS]; /* last DEQUANTIZED dc (XXX: am I right to do that ?) */
AVFrame picture; /* picture structure */
+ int got_picture; ///< we found a SOF and picture is valid, too.
int linesize[MAX_COMPONENTS]; ///< linesize << interlaced
int8_t *qscale_table;
- DECLARE_ALIGNED_16(DCTELEM, block[64]);
+ DECLARE_ALIGNED(16, DCTELEM, block)[64];
DCTELEM (*blocks[MAX_COMPONENTS])[64]; ///< intermediate sums (progressive mode)
uint8_t *last_nnz[MAX_COMPONENTS];
uint64_t coefs_finished[MAX_COMPONENTS]; ///< bitmask of which coefs have been completely decoded (progressive mode)
int mjpb_skiptosod;
int cur_scan; /* current scan, used by JPEG-LS */
+ int flipped; /* true if picture is flipped */
+
+ uint16_t (*ljpeg_buffer)[4];
+ unsigned int ljpeg_buffer_size;
} MJpegDecodeContext;
int ff_mjpeg_decode_init(AVCodecContext *avctx);
int ff_mjpeg_decode_end(AVCodecContext *avctx);
int ff_mjpeg_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- const uint8_t *buf, int buf_size);
+ AVPacket *avpkt);
int ff_mjpeg_decode_dqt(MJpegDecodeContext *s);
int ff_mjpeg_decode_dht(MJpegDecodeContext *s);
int ff_mjpeg_decode_sof(MJpegDecodeContext *s);