[FFmpeg-cvslog] dnxhd: Support DNx444
Kostya Shishkov
git at videolan.org
Mon Feb 10 03:54:34 CET 2014
ffmpeg | branch: master | Kostya Shishkov <kostya.shishkov at gmail.com> | Mon Jan 27 18:10:44 2014 +0000| [e95018b694c0774477abec5bbf86ecc7946a9a28] | committer: Luca Barbato
dnxhd: Support DNx444
Bug-Id: 99
Bug-Id: videolan/9620
Signed-off-by: Luca Barbato <lu_zero at gentoo.org>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e95018b694c0774477abec5bbf86ecc7946a9a28
---
Changelog | 1 +
libavcodec/dnxhddata.c | 18 +++++++++
libavcodec/dnxhddec.c | 97 +++++++++++++++++++++++++++++++++++++-----------
3 files changed, 94 insertions(+), 22 deletions(-)
diff --git a/Changelog b/Changelog
index edd4754..6c54281 100644
--- a/Changelog
+++ b/Changelog
@@ -56,6 +56,7 @@ version 10:
- ATRAC3+ decoder
- framepack filter
- Mirillis FIC video decoder
+- Support DNx444
version 9:
diff --git a/libavcodec/dnxhddata.c b/libavcodec/dnxhddata.c
index 96895da..a8d713b 100644
--- a/libavcodec/dnxhddata.c
+++ b/libavcodec/dnxhddata.c
@@ -220,6 +220,17 @@ 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,
};
@@ -1133,6 +1144,13 @@ const CIDEntry ff_dnxhd_cid_table[] = {
dnxhd_1237_ac_run_flag, dnxhd_1237_ac_index_flag,
dnxhd_1237_run_codes, dnxhd_1237_run_bits, dnxhd_1237_run,
{ 36, 45, 75, 90 } },
+ { 1256, 1920, 1080, 0, 1835008, 1835008, 6, 10,
+ 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_run_flag, dnxhd_1235_1241_ac_index_flag,
+ dnxhd_1235_1238_1241_run_codes, dnxhd_1235_1238_1241_run_bits, dnxhd_1235_1241_run,
+ { 350, 390, 440, 730, 880 } },
};
int ff_dnxhd_get_cid_table(int cid)
diff --git a/libavcodec/dnxhddec.c b/libavcodec/dnxhddec.c
index db0e787..021f87d 100644
--- a/libavcodec/dnxhddec.c
+++ b/libavcodec/dnxhddec.c
@@ -41,10 +41,11 @@ 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);
} DNXHDContext;
@@ -54,6 +55,7 @@ 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)
{
@@ -97,13 +99,14 @@ static int dnxhd_init_vlc(DNXHDContext *ctx, int cid)
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_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;
}
@@ -119,7 +122,17 @@ 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) {
@@ -186,12 +199,21 @@ static av_always_inline void dnxhd_decode_dct_block(DNXHDContext *ctx,
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);
@@ -257,6 +279,12 @@ 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;
@@ -273,6 +301,12 @@ 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;
@@ -280,8 +314,8 @@ 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];
@@ -291,17 +325,36 @@ static int dnxhd_decode_macroblock(DNXHDContext *ctx, AVFrame *frame, int x, int
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;
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