* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-//#define TRACE
-//#define DEBUG
-
#include "libavutil/imgutils.h"
+#include "libavutil/timer.h"
#include "avcodec.h"
#include "get_bits.h"
#include "dnxhddata.h"
VLC ac_vlc, dc_vlc, run_vlc;
int last_dc[3];
DSPContext dsp;
- DECLARE_ALIGNED(16, int16_t, blocks)[8][64];
+ DECLARE_ALIGNED(16, int16_t, blocks)[12][64];
ScanTable scantable;
const CIDEntry *cid_table;
int bit_depth; // 8, 10 or 0 if not initialized at all.
+ int is_444;
void (*decode_dct_block)(struct DNXHDContext *ctx, int16_t *block,
int n, int qscale);
} DNXHDContext;
static void dnxhd_decode_dct_block_8(DNXHDContext *ctx, int16_t *block, int n, int qscale);
static void dnxhd_decode_dct_block_10(DNXHDContext *ctx, int16_t *block, int n, int qscale);
+static void dnxhd_decode_dct_block_10_444(DNXHDContext *ctx, int16_t *block, int n, int qscale);
static av_cold int dnxhd_decode_init(AVCodecContext *avctx)
{
if ((index = ff_dnxhd_get_cid_table(cid)) < 0) {
av_log(ctx->avctx, AV_LOG_ERROR, "unsupported cid %d\n", cid);
- return -1;
+ return AVERROR(ENOSYS);
}
ctx->cid_table = &ff_dnxhd_cid_table[index];
static int dnxhd_decode_header(DNXHDContext *ctx, AVFrame *frame,
const uint8_t *buf, int buf_size, int first_field)
{
- static const uint8_t header_prefix[] = { 0x00, 0x00, 0x02, 0x80, 0x01 };
- int i, cid;
+ static const uint8_t header_prefix[] = { 0x00, 0x00, 0x02, 0x80, 0x01 };
+ static const uint8_t header_prefix444[] = { 0x00, 0x00, 0x02, 0x80, 0x02 };
+ int i, cid, ret;
if (buf_size < 0x280)
- return -1;
+ return AVERROR_INVALIDDATA;
- if (memcmp(buf, header_prefix, 5)) {
+ if (memcmp(buf, header_prefix, 5) && memcmp(buf, header_prefix444, 5)) {
av_log(ctx->avctx, AV_LOG_ERROR, "error in header\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
if (buf[5] & 2) { /* interlaced */
ctx->cur_field = buf[5] & 1;
av_dlog(ctx->avctx, "width %d, height %d\n", ctx->width, ctx->height);
- if (buf[0x21] & 0x40) {
+ ctx->is_444 = 0;
+ if (buf[0x4] == 0x2) {
+ ctx->avctx->pix_fmt = AV_PIX_FMT_YUV444P10;
+ ctx->avctx->bits_per_raw_sample = 10;
+ if (ctx->bit_depth != 10) {
+ ff_dsputil_init(&ctx->dsp, ctx->avctx);
+ ctx->bit_depth = 10;
+ ctx->decode_dct_block = dnxhd_decode_dct_block_10_444;
+ }
+ ctx->is_444 = 1;
+ } else if (buf[0x21] & 0x40) {
ctx->avctx->pix_fmt = AV_PIX_FMT_YUV422P10;
ctx->avctx->bits_per_raw_sample = 10;
if (ctx->bit_depth != 10) {
cid = AV_RB32(buf + 0x28);
av_dlog(ctx->avctx, "compression id %d\n", cid);
- if (dnxhd_init_vlc(ctx, cid) < 0)
- return -1;
+ if ((ret = dnxhd_init_vlc(ctx, cid)) < 0)
+ return ret;
if (buf_size < ctx->cid_table->coding_unit_size) {
av_log(ctx->avctx, AV_LOG_ERROR, "incorrect frame size\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
ctx->mb_width = ctx->width>>4;
if (ctx->mb_height > 68 ||
(ctx->mb_height << frame->interlaced_frame) > (ctx->height+15)>>4) {
av_log(ctx->avctx, AV_LOG_ERROR, "mb height too big: %d\n", ctx->mb_height);
- return -1;
+ return AVERROR_INVALIDDATA;
}
for (i = 0; i < ctx->mb_height; i++) {
av_dlog(ctx->avctx, "mb scan index %d\n", ctx->mb_scan_index[i]);
if (buf_size < ctx->mb_scan_index[i] + 0x280) {
av_log(ctx->avctx, AV_LOG_ERROR, "invalid mb scan index\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
}
const uint8_t *weight_matrix;
OPEN_READER(bs, &ctx->gb);
- if (n&2) {
- component = 1 + (n&1);
- weight_matrix = ctx->cid_table->chroma_weight;
+ if (!ctx->is_444) {
+ if (n&2) {
+ component = 1 + (n&1);
+ weight_matrix = ctx->cid_table->chroma_weight;
+ } else {
+ component = 0;
+ weight_matrix = ctx->cid_table->luma_weight;
+ }
} else {
- component = 0;
- weight_matrix = ctx->cid_table->luma_weight;
+ component = (n >> 1) % 3;
+ if (component) {
+ weight_matrix = ctx->cid_table->chroma_weight;
+ } else {
+ weight_matrix = ctx->cid_table->luma_weight;
+ }
}
UPDATE_CACHE(bs, &ctx->gb);
dnxhd_decode_dct_block(ctx, block, n, qscale, 6, 8, 4);
}
+static void dnxhd_decode_dct_block_10_444(DNXHDContext *ctx, int16_t *block,
+ int n, int qscale)
+{
+ dnxhd_decode_dct_block(ctx, block, n, qscale, 6, 32, 6);
+}
+
static int dnxhd_decode_macroblock(DNXHDContext *ctx, AVFrame *frame, int x, int y)
{
int shift1 = ctx->bit_depth == 10;
ctx->dsp.clear_block(ctx->blocks[i]);
ctx->decode_dct_block(ctx, ctx->blocks[i], i, qscale);
}
+ if (ctx->is_444) {
+ for (; i < 12; i++) {
+ ctx->dsp.clear_block(ctx->blocks[i]);
+ ctx->decode_dct_block(ctx, ctx->blocks[i], i, qscale);
+ }
+ }
if (frame->interlaced_frame) {
dct_linesize_luma <<= 1;
}
dest_y = frame->data[0] + ((y * dct_linesize_luma) << 4) + (x << (4 + shift1));
- dest_u = frame->data[1] + ((y * dct_linesize_chroma) << 4) + (x << (3 + shift1));
- dest_v = frame->data[2] + ((y * dct_linesize_chroma) << 4) + (x << (3 + shift1));
+ dest_u = frame->data[1] + ((y * dct_linesize_chroma) << 4) + (x << (3 + shift1 + ctx->is_444));
+ dest_v = frame->data[2] + ((y * dct_linesize_chroma) << 4) + (x << (3 + shift1 + ctx->is_444));
if (ctx->cur_field) {
dest_y += frame->linesize[0];
dct_y_offset = dct_linesize_luma << 3;
dct_x_offset = 8 << shift1;
- ctx->dsp.idct_put(dest_y, dct_linesize_luma, ctx->blocks[0]);
- ctx->dsp.idct_put(dest_y + dct_x_offset, dct_linesize_luma, ctx->blocks[1]);
- ctx->dsp.idct_put(dest_y + dct_y_offset, dct_linesize_luma, ctx->blocks[4]);
- ctx->dsp.idct_put(dest_y + dct_y_offset + dct_x_offset, dct_linesize_luma, ctx->blocks[5]);
-
- if (!(ctx->avctx->flags & CODEC_FLAG_GRAY)) {
- dct_y_offset = dct_linesize_chroma << 3;
- ctx->dsp.idct_put(dest_u, dct_linesize_chroma, ctx->blocks[2]);
- ctx->dsp.idct_put(dest_v, dct_linesize_chroma, ctx->blocks[3]);
- ctx->dsp.idct_put(dest_u + dct_y_offset, dct_linesize_chroma, ctx->blocks[6]);
- ctx->dsp.idct_put(dest_v + dct_y_offset, dct_linesize_chroma, ctx->blocks[7]);
+ if (!ctx->is_444) {
+ ctx->dsp.idct_put(dest_y, dct_linesize_luma, ctx->blocks[0]);
+ ctx->dsp.idct_put(dest_y + dct_x_offset, dct_linesize_luma, ctx->blocks[1]);
+ ctx->dsp.idct_put(dest_y + dct_y_offset, dct_linesize_luma, ctx->blocks[4]);
+ ctx->dsp.idct_put(dest_y + dct_y_offset + dct_x_offset, dct_linesize_luma, ctx->blocks[5]);
+
+ if (!(ctx->avctx->flags & CODEC_FLAG_GRAY)) {
+ dct_y_offset = dct_linesize_chroma << 3;
+ ctx->dsp.idct_put(dest_u, dct_linesize_chroma, ctx->blocks[2]);
+ ctx->dsp.idct_put(dest_v, dct_linesize_chroma, ctx->blocks[3]);
+ ctx->dsp.idct_put(dest_u + dct_y_offset, dct_linesize_chroma, ctx->blocks[6]);
+ ctx->dsp.idct_put(dest_v + dct_y_offset, dct_linesize_chroma, ctx->blocks[7]);
+ }
+ } else {
+ ctx->dsp.idct_put(dest_y, dct_linesize_luma, ctx->blocks[0]);
+ ctx->dsp.idct_put(dest_y + dct_x_offset, dct_linesize_luma, ctx->blocks[1]);
+ ctx->dsp.idct_put(dest_y + dct_y_offset, dct_linesize_luma, ctx->blocks[6]);
+ ctx->dsp.idct_put(dest_y + dct_y_offset + dct_x_offset, dct_linesize_luma, ctx->blocks[7]);
+
+ if (!(ctx->avctx->flags & CODEC_FLAG_GRAY)) {
+ dct_y_offset = dct_linesize_chroma << 3;
+ ctx->dsp.idct_put(dest_u, dct_linesize_chroma, ctx->blocks[2]);
+ ctx->dsp.idct_put(dest_u + dct_x_offset, dct_linesize_chroma, ctx->blocks[3]);
+ ctx->dsp.idct_put(dest_u + dct_y_offset, dct_linesize_chroma, ctx->blocks[8]);
+ ctx->dsp.idct_put(dest_u + dct_y_offset + dct_x_offset, dct_linesize_chroma, ctx->blocks[9]);
+ ctx->dsp.idct_put(dest_v, dct_linesize_chroma, ctx->blocks[4]);
+ ctx->dsp.idct_put(dest_v + dct_x_offset, dct_linesize_chroma, ctx->blocks[5]);
+ ctx->dsp.idct_put(dest_v + dct_y_offset, dct_linesize_chroma, ctx->blocks[10]);
+ ctx->dsp.idct_put(dest_v + dct_y_offset + dct_x_offset, dct_linesize_chroma, ctx->blocks[11]);
+ }
}
return 0;
av_dlog(avctx, "frame size %d\n", buf_size);
decode_coding_unit:
- if (dnxhd_decode_header(ctx, picture, buf, buf_size, first_field) < 0)
- return -1;
+ if ((ret = dnxhd_decode_header(ctx, picture, buf, buf_size, first_field)) < 0)
+ return ret;
if ((avctx->width || avctx->height) &&
(ctx->width != avctx->width || ctx->height != avctx->height)) {
first_field = 1;
}
- if (av_image_check_size(ctx->width, ctx->height, 0, avctx))
- return -1;
- avcodec_set_dimensions(avctx, ctx->width, ctx->height);
+ ret = ff_set_dimensions(avctx, ctx->width, ctx->height);
+ if (ret < 0)
+ return ret;
if (first_field) {
if ((ret = ff_get_buffer(avctx, picture, 0)) < 0) {
AVCodec ff_dnxhd_decoder = {
.name = "dnxhd",
+ .long_name = NULL_IF_CONFIG_SMALL("VC3/DNxHD"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_DNXHD,
.priv_data_size = sizeof(DNXHDContext),
.close = dnxhd_decode_close,
.decode = dnxhd_decode_frame,
.capabilities = CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("VC3/DNxHD"),
};