#define LONG_BITSTREAM_READER
#include "libavutil/internal.h"
+#include "libavutil/mem_internal.h"
+
#include "avcodec.h"
#include "get_bits.h"
#include "idctdsp.h"
}
permute(ctx->qmat_chroma, ctx->prodsp.idct_permutation, ptr);
} else {
- memset(ctx->qmat_chroma, 4, 64);
+ memcpy(ctx->qmat_chroma, ctx->qmat_luma, 64);
}
return hdr_size;
AVFrame *pic = ctx->frame;
int i, hdr_size, qscale, log2_chroma_blocks_per_mb;
int luma_stride, chroma_stride;
- int y_data_size, u_data_size, v_data_size, a_data_size;
- uint8_t *dest_y, *dest_u, *dest_v, *dest_a;
+ int y_data_size, u_data_size, v_data_size, a_data_size, offset;
+ uint8_t *dest_y, *dest_u, *dest_v;
LOCAL_ALIGNED_16(int16_t, qmat_luma_scaled, [64]);
LOCAL_ALIGNED_16(int16_t, qmat_chroma_scaled,[64]);
int mb_x_shift;
log2_chroma_blocks_per_mb = 1;
}
- dest_y = pic->data[0] + (slice->mb_y << 4) * luma_stride + (slice->mb_x << 5);
+ offset = (slice->mb_y << 4) * luma_stride + (slice->mb_x << 5);
+ dest_y = pic->data[0] + offset;
dest_u = pic->data[1] + (slice->mb_y << 4) * chroma_stride + (slice->mb_x << mb_x_shift);
dest_v = pic->data[2] + (slice->mb_y << 4) * chroma_stride + (slice->mb_x << mb_x_shift);
- dest_a = pic->data[3] + (slice->mb_y << 4) * luma_stride + (slice->mb_x << 5);
if (ctx->frame_type && ctx->first_field ^ ctx->frame->top_field_first) {
dest_y += pic->linesize[0];
dest_u += pic->linesize[1];
dest_v += pic->linesize[2];
- dest_a += pic->linesize[3];
+ offset += pic->linesize[3];
}
ret = decode_slice_luma(avctx, slice, (uint16_t*)dest_y, luma_stride,
}
/* decode alpha plane if available */
- if (ctx->alpha_info && pic->data[3] && a_data_size)
+ if (ctx->alpha_info && pic->data[3] && a_data_size) {
+ uint8_t *dest_a = pic->data[3] + offset;
decode_slice_alpha(ctx, (uint16_t*)dest_a, luma_stride,
buf + y_data_size + u_data_size + v_data_size,
a_data_size, slice->mb_count);
+ }
slice->ret = 0;
return 0;
return 0;
}
-AVCodec ff_prores_decoder = {
+const AVCodec ff_prores_decoder = {
.name = "prores",
- .long_name = NULL_IF_CONFIG_SMALL("ProRes (iCodec Pro)"),
+ .long_name = NULL_IF_CONFIG_SMALL("Apple ProRes (iCodec Pro)"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_PRORES,
.priv_data_size = sizeof(ProresContext),