From e95018b694c0774477abec5bbf86ecc7946a9a28 Mon Sep 17 00:00:00 2001 From: Kostya Shishkov Date: Mon, 27 Jan 2014 18:10:44 +0000 Subject: dnxhd: Support DNx444 Bug-Id: 99 Bug-Id: videolan/9620 Signed-off-by: Luca Barbato --- libavcodec/dnxhddec.c | 97 +++++++++++++++++++++++++++++++++++++++------------ 1 file changed, 75 insertions(+), 22 deletions(-) (limited to 'libavcodec/dnxhddec.c') diff --git a/libavcodec/dnxhddec.c b/libavcodec/dnxhddec.c index db0e787aa7..021f87da53 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; -- cgit v1.2.3