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lavc/dxv: remove ctx fields that can be derived from texdsp ctxs
Signed-off-by: Connor Worley <connorbworley@gmail.com>
This commit is contained in:
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2f9936e446
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afb630ce4d
@ -39,20 +39,12 @@ typedef struct DXVContext {
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uint8_t *tex_data; // Compressed texture
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uint8_t *ctex_data; // Compressed chroma texture
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int tex_rat; // Compression ratio
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int tex_step; // Distance between blocks
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int ctex_step; // Distance between blocks
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int64_t tex_size; // Texture size
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int64_t ctex_size; // Chroma texture size
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uint8_t *op_data[4]; // Opcodes
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int64_t op_size[4]; // Opcodes size
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int texture_block_w;
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int texture_block_h;
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int ctexture_block_w;
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int ctexture_block_h;
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} DXVContext;
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/* This scheme addresses already decoded elements depending on 2-bit status:
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@ -865,9 +857,6 @@ static int dxv_decode(AVCodecContext *avctx, AVFrame *frame,
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cavctx.coded_height = avctx->coded_height / 2;
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cavctx.coded_width = avctx->coded_width / 2;
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ctx->texture_block_h = 4;
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ctx->texture_block_w = 4;
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avctx->pix_fmt = AV_PIX_FMT_RGBA;
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avctx->colorspace = AVCOL_SPC_RGB;
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@ -878,8 +867,6 @@ static int dxv_decode(AVCodecContext *avctx, AVFrame *frame,
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texdsp_ctx.tex_funct = ctx->texdsp.dxt1_block;
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texdsp_ctx.tex_ratio = 8;
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texdsp_ctx.raw_ratio = 16;
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ctx->tex_rat = 8;
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ctx->tex_step = 8;
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msgcomp = "DXTR1";
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msgtext = "DXT1";
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break;
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@ -889,8 +876,6 @@ static int dxv_decode(AVCodecContext *avctx, AVFrame *frame,
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texdsp_ctx.tex_funct = ctx->texdsp.dxt4_block;
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texdsp_ctx.tex_ratio = 16;
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texdsp_ctx.raw_ratio = 16;
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ctx->tex_rat = 4;
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ctx->tex_step = 16;
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msgcomp = "DXTR5";
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msgtext = "DXT5";
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break;
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@ -902,16 +887,8 @@ static int dxv_decode(AVCodecContext *avctx, AVFrame *frame,
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ctexdsp_ctx.tex_funct = ctx->texdsp.rgtc1u_gray_block;
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ctexdsp_ctx.tex_ratio = 16;
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ctexdsp_ctx.raw_ratio = 4;
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ctx->tex_rat = 8;
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ctx->tex_step = 32;
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ctx->ctex_step = 16;
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msgcomp = "YOCOCG6";
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msgtext = "YCG6";
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ctx->ctex_size = avctx->coded_width * avctx->coded_height / 4;
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ctx->texture_block_h = 4;
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ctx->texture_block_w = 16;
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ctx->ctexture_block_h = 4;
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ctx->ctexture_block_w = 4;
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avctx->pix_fmt = AV_PIX_FMT_YUV420P;
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avctx->colorspace = AVCOL_SPC_YCOCG;
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break;
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@ -923,16 +900,8 @@ static int dxv_decode(AVCodecContext *avctx, AVFrame *frame,
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ctexdsp_ctx.tex_funct = ctx->texdsp.rgtc1u_gray_block;
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ctexdsp_ctx.tex_ratio = 16;
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ctexdsp_ctx.raw_ratio = 4;
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ctx->tex_rat = 4;
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ctx->tex_step = 64;
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ctx->ctex_step = 16;
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msgcomp = "YAOCOCG10";
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msgtext = "YG10";
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ctx->ctex_size = avctx->coded_width * avctx->coded_height / 4;
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ctx->texture_block_h = 4;
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ctx->texture_block_w = 16;
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ctx->ctexture_block_h = 4;
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ctx->ctexture_block_w = 4;
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avctx->pix_fmt = AV_PIX_FMT_YUVA420P;
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avctx->colorspace = AVCOL_SPC_YCOCG;
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break;
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@ -957,7 +926,6 @@ static int dxv_decode(AVCodecContext *avctx, AVFrame *frame,
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texdsp_ctx.tex_funct = ctx->texdsp.dxt5_block;
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texdsp_ctx.tex_ratio = 16;
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texdsp_ctx.raw_ratio = 16;
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ctx->tex_step = 16;
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} else if (old_type & 0x20 || version_major == 1) {
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tag = DXV_FMT_DXT1;
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msgtext = "DXT1";
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@ -965,12 +933,10 @@ static int dxv_decode(AVCodecContext *avctx, AVFrame *frame,
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texdsp_ctx.tex_funct = ctx->texdsp.dxt1_block;
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texdsp_ctx.tex_ratio = 8;
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texdsp_ctx.raw_ratio = 16;
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ctx->tex_step = 8;
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} else {
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av_log(avctx, AV_LOG_ERROR, "Unsupported header (0x%08"PRIX32")\n.", tag);
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return AVERROR_INVALIDDATA;
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}
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ctx->tex_rat = 1;
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break;
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}
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@ -986,7 +952,6 @@ static int dxv_decode(AVCodecContext *avctx, AVFrame *frame,
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/* Encoder copies texture data when compression is not advantageous. */
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if (bytestream2_get_byte(gbc)) {
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msgcomp = "RAW";
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ctx->tex_rat = 1;
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decompress_tex = dxv_decompress_raw;
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}
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@ -1004,14 +969,20 @@ static int dxv_decode(AVCodecContext *avctx, AVFrame *frame,
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return AVERROR_INVALIDDATA;
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}
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ctx->tex_size = avctx->coded_width * avctx->coded_height * 4 / ctx->tex_rat;
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ctx->tex_size = avctx->coded_width / (texdsp_ctx.raw_ratio / (avctx->pix_fmt == AV_PIX_FMT_RGBA ? 4 : 1)) *
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avctx->coded_height / TEXTURE_BLOCK_H *
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texdsp_ctx.tex_ratio;
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ret = av_reallocp(&ctx->tex_data, ctx->tex_size + AV_INPUT_BUFFER_PADDING_SIZE);
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if (ret < 0)
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return ret;
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if (ctx->ctex_size) {
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if (avctx->pix_fmt != AV_PIX_FMT_RGBA) {
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int i;
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ctx->ctex_size = cavctx.coded_width / ctexdsp_ctx.raw_ratio *
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cavctx.coded_height / TEXTURE_BLOCK_H *
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ctexdsp_ctx.tex_ratio;
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ctx->op_size[0] = avctx->coded_width * avctx->coded_height / 16;
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ctx->op_size[1] = avctx->coded_width * avctx->coded_height / 32;
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ctx->op_size[2] = avctx->coded_width * avctx->coded_height / 32;
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@ -1031,12 +1002,6 @@ static int dxv_decode(AVCodecContext *avctx, AVFrame *frame,
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ret = decompress_tex(avctx);
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if (ret < 0)
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return ret;
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{
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int w_block = avctx->coded_width / ctx->texture_block_w;
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int h_block = avctx->coded_height / ctx->texture_block_h;
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if (w_block * h_block * ctx->tex_step > ctx->tex_size * 8LL)
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return AVERROR_INVALIDDATA;
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}
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ret = ff_thread_get_buffer(avctx, frame, 0);
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if (ret < 0)
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