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ffmpeg.wasm-core
Commit 51290068 authored by Michael Niedermayer's avatar Michael Niedermayer
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Merge commit 'e95018b6' 

* commit 'e95018b6':
  dnxhd: Support DNx444

Conflicts:
	Changelog
	libavcodec/dnxhddata.c
	libavcodec/dnxhddec.c
Merged-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parents d84f1a60 e95018b6
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Showing with 99 additions and 24 deletions
Changelog
View file @ 51290068
......@@ -25,6 +25,7 @@ version <next>
- Use metadata_header_padding to control padding in ID3 tags (currently used in
MP3, AIFF, and OMA files), FLAC header, and the AVI "junk" block.
- Mirillis FIC video decoder
- Support DNx444
version 2.1:
......
libavcodec/dnxhddata.c
View file @ 51290068
......@@ -222,6 +222,17 @@ static const uint8_t dnxhd_1252_chroma_weight[] = {
114, 128, 125, 129, 134, 125, 116, 116,
};
static const uint8_t dnxhd_1256_chroma_weight[] = {
0, 32, 32, 32, 32, 32, 32, 33,
32, 32, 32, 32, 32, 32, 32, 34,
32, 32, 32, 32, 32, 32, 33, 37,
32, 32, 32, 32, 32, 32, 36, 39,
32, 32, 32, 32, 32, 34, 39, 44,
32, 37, 32, 32, 35, 40, 43, 49,
32, 33, 36, 36, 40, 43, 50, 60,
34, 37, 39, 44, 51, 56, 61, 70,
};
static const uint8_t dnxhd_1237_dc_codes[12] = {
0, 12, 13, 1, 2, 3, 4, 5, 14, 30, 62, 63,
};
......@@ -1026,6 +1037,14 @@ const CIDEntry ff_dnxhd_cid_table[] = {
dnxhd_1237_run_codes, dnxhd_1237_run_bits, dnxhd_1237_run,
{ 36, 36, 45, 75, 90 },
{ { 24000, 1001 }, { 25, 1 }, { 30000, 1001 }, { 50, 1 }, { 60000, 1001 } } },
{ 1256, 1920, 1080, 0, 1835008, 1835008, 6, 10, 4,
dnxhd_1235_luma_weight, dnxhd_1256_chroma_weight,
dnxhd_1235_1241_dc_codes, dnxhd_1235_1241_dc_bits,
dnxhd_1235_1241_ac_codes, dnxhd_1235_1241_ac_bits, dnxhd_1235_1241_ac_level,
dnxhd_1235_1241_ac_flags,
dnxhd_1235_1238_1241_run_codes, dnxhd_1235_1238_1241_run_bits, dnxhd_1235_1241_run,
{ 350, 390, 440, 730, 880 },
{ { 24000, 1001 }, { 25, 1 }, { 30000, 1001 }, { 50, 1 }, { 60000, 1001 } } },
};
int ff_dnxhd_get_cid_table(int cid)
......
libavcodec/dnxhddec.c
View file @ 51290068
......@@ -42,10 +42,11 @@ typedef struct DNXHDContext {
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);
int last_qscale;
......@@ -58,6 +59,7 @@ typedef struct 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)
{
......@@ -107,12 +109,13 @@ 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 };
static const uint8_t header_prefix444[] = { 0x00, 0x00, 0x02, 0x80, 0x02 };
int i, cid, ret;
if (buf_size < 0x280)
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 AVERROR_INVALIDDATA;
}
......@@ -128,7 +131,17 @@ static int dnxhd_decode_header(DNXHDContext *ctx, AVFrame *frame,
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) {
......@@ -199,6 +212,7 @@ static av_always_inline void dnxhd_decode_dct_block(DNXHDContext *ctx,
const int eob_index = ctx->cid_table->eob_index;
OPEN_READER(bs, &ctx->gb);
if (!ctx->is_444) {
if (n&2) {
component = 1 + (n&1);
scale = ctx->chroma_scale;
......@@ -208,6 +222,16 @@ static av_always_inline void dnxhd_decode_dct_block(DNXHDContext *ctx,
scale = ctx->luma_scale;
weight_matrix = ctx->cid_table->luma_weight;
}
} else {
component = (n >> 1) % 3;
if (component) {
scale = ctx->chroma_scale;
weight_matrix = ctx->cid_table->chroma_weight;
} else {
scale = ctx->luma_scale;
weight_matrix = ctx->cid_table->luma_weight;
}
}
UPDATE_CACHE(bs, &ctx->gb);
GET_VLC(len, bs, &ctx->gb, ctx->dc_vlc.table, DNXHD_DC_VLC_BITS, 1);
......@@ -278,6 +302,12 @@ static void dnxhd_decode_dct_block_10(DNXHDContext *ctx, int16_t *block,
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;
......@@ -302,6 +332,12 @@ static int dnxhd_decode_macroblock(DNXHDContext *ctx, AVFrame *frame, int x, int
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;
......@@ -309,8 +345,8 @@ static int dnxhd_decode_macroblock(DNXHDContext *ctx, AVFrame *frame, int x, int
}
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];
......@@ -320,6 +356,7 @@ static int dnxhd_decode_macroblock(DNXHDContext *ctx, AVFrame *frame, int x, int
dct_y_offset = dct_linesize_luma << 3;
dct_x_offset = 8 << shift1;
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]);
......@@ -332,6 +369,24 @@ static int dnxhd_decode_macroblock(DNXHDContext *ctx, AVFrame *frame, int x, int
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;
}
......
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