#include "bitstream.h"
#include "dnxhddata.h"
#include "dsputil.h"
-#include "mpegvideo.h"
typedef struct {
AVCodecContext *avctx;
#define DNXHD_VLC_BITS 9
#define DNXHD_DC_VLC_BITS 7
-static int dnxhd_decode_init(AVCodecContext *avctx)
+static av_cold int dnxhd_decode_init(AVCodecContext *avctx)
{
DNXHDContext *ctx = avctx->priv_data;
return 0;
}
-static int dnxhd_decode_header(DNXHDContext *ctx, uint8_t *buf, int buf_size, int first_field)
+static int dnxhd_decode_header(DNXHDContext *ctx, const uint8_t *buf, int buf_size, int first_field)
{
static const uint8_t header_prefix[] = { 0x00, 0x00, 0x02, 0x80, 0x01 };
int i;
if (buf[5] & 2) { /* interlaced */
ctx->cur_field = buf[5] & 1;
ctx->picture.interlaced_frame = 1;
- ctx->picture.top_field_first = first_field && ctx->cur_field == 1;
+ ctx->picture.top_field_first = first_field ^ ctx->cur_field;
av_log(ctx->avctx, AV_LOG_DEBUG, "interlaced %d, cur field %d\n", buf[5] & 3, ctx->cur_field);
}
if (n&2) {
component = 1 + (n&1);
- weigth_matrix = ctx->cid_table->chroma_weigth;
+ weigth_matrix = ctx->cid_table->chroma_weight;
} else {
component = 0;
- weigth_matrix = ctx->cid_table->luma_weigth;
+ weigth_matrix = ctx->cid_table->luma_weight;
}
ctx->last_dc[component] += dnxhd_decode_dc(ctx);
int dct_offset;
int qscale, i;
- ctx->dsp.clear_blocks(ctx->blocks[0]);
- ctx->dsp.clear_blocks(ctx->blocks[2]); // FIXME change clear blocks to take block amount
-
qscale = get_bits(&ctx->gb, 11);
skip_bits1(&ctx->gb);
//av_log(ctx->avctx, AV_LOG_DEBUG, "qscale %d\n", qscale);
for (i = 0; i < 8; i++) {
+ ctx->dsp.clear_block(ctx->blocks[i]);
dnxhd_decode_dct_block(ctx, ctx->blocks[i], i, qscale);
}
return 0;
}
-static int dnxhd_decode_macroblocks(DNXHDContext *ctx, uint8_t *buf, int buf_size)
+static int dnxhd_decode_macroblocks(DNXHDContext *ctx, const uint8_t *buf, int buf_size)
{
int x, y;
for (y = 0; y < ctx->mb_height; y++) {
}
static int dnxhd_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
- uint8_t *buf, int buf_size)
+ const uint8_t *buf, int buf_size)
{
DNXHDContext *ctx = avctx->priv_data;
AVFrame *picture = data;
return buf_size;
}
-static int dnxhd_decode_close(AVCodecContext *avctx)
+static av_cold int dnxhd_decode_close(AVCodecContext *avctx)
{
DNXHDContext *ctx = avctx->priv_data;
dnxhd_decode_close,
dnxhd_decode_frame,
CODEC_CAP_DR1,
+ .long_name = NULL_IF_CONFIG_SMALL("VC3/DNxHD"),
};