*/
#include "avcodec.h"
-#include "common.h"
#define ALT_BITSTREAM_READER_LE
#include "bitstream.h"
} SeqVideoContext;
-static unsigned char *seq_unpack_rle_block(unsigned char *src, unsigned char *dst, int dst_size)
+static const unsigned char *seq_unpack_rle_block(const unsigned char *src, unsigned char *dst, int dst_size)
{
int i, len, sz;
GetBitContext gb;
return src;
}
-static unsigned char *seq_decode_op1(SeqVideoContext *seq, unsigned char *src, unsigned char *dst)
+static const unsigned char *seq_decode_op1(SeqVideoContext *seq, const unsigned char *src, unsigned char *dst)
{
- unsigned char *color_table;
+ const unsigned char *color_table;
int b, i, len, bits;
GetBitContext gb;
return src;
}
-static unsigned char *seq_decode_op2(SeqVideoContext *seq, unsigned char *src, unsigned char *dst)
+static const unsigned char *seq_decode_op2(SeqVideoContext *seq, const unsigned char *src, unsigned char *dst)
{
int i;
return src;
}
-static unsigned char *seq_decode_op3(SeqVideoContext *seq, unsigned char *src, unsigned char *dst)
+static const unsigned char *seq_decode_op3(SeqVideoContext *seq, const unsigned char *src, unsigned char *dst)
{
int pos, offset;
return src;
}
-static void seqvideo_decode(SeqVideoContext *seq, unsigned char *data, int data_size)
+static void seqvideo_decode(SeqVideoContext *seq, const unsigned char *data, int data_size)
{
GetBitContext gb;
int flags, i, j, x, y, op;
for (i = 0; i < 256; i++) {
for (j = 0; j < 3; j++, data++)
c[j] = (*data << 2) | (*data >> 4);
- seq->palette[i] = (c[0] << 16) | (c[1] << 8) | c[2];
+ seq->palette[i] = AV_RB24(c);
}
memcpy(seq->frame.data[1], seq->palette, sizeof(seq->palette));
seq->frame.palette_has_changed = 1;
}
}
-static int seqvideo_decode_init(AVCodecContext *avctx)
+static av_cold int seqvideo_decode_init(AVCodecContext *avctx)
{
- SeqVideoContext *seq = (SeqVideoContext *)avctx->priv_data;
+ SeqVideoContext *seq = avctx->priv_data;
seq->avctx = avctx;
avctx->pix_fmt = PIX_FMT_PAL8;
return 0;
}
-static int seqvideo_decode_frame(AVCodecContext *avctx,
+static av_cold int seqvideo_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- uint8_t *buf, int buf_size)
+ const uint8_t *buf, int buf_size)
{
- SeqVideoContext *seq = (SeqVideoContext *)avctx->priv_data;
+ SeqVideoContext *seq = avctx->priv_data;
seq->frame.reference = 1;
seq->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE;
static int seqvideo_decode_end(AVCodecContext *avctx)
{
- SeqVideoContext *seq = (SeqVideoContext *)avctx->priv_data;
+ SeqVideoContext *seq = avctx->priv_data;
if (seq->frame.data[0])
avctx->release_buffer(avctx, &seq->frame);
seqvideo_decode_end,
seqvideo_decode_frame,
CODEC_CAP_DR1,
+ .long_name = "Tiertex Limited SEQ video",
};