mirror of
https://github.com/FFmpeg/FFmpeg.git
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TDSC decoder
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
This commit is contained in:
Vittorio Giovara
parent
5a0e953c24
commit
247e370e2a
@ -22,6 +22,7 @@ version <next>:
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- Canopus HQX decoder
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- RTP depacketization of T.140 text (RFC 4103)
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- VP9 RTP payload format (draft 0) experimental depacketizer
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- TDSC decoder
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version 11:
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2
configure
vendored
2
configure
vendored
@ -1906,6 +1906,8 @@ svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
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svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
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svq3_decoder_suggest="zlib"
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tak_decoder_select="audiodsp"
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tdsc_decoder_deps="zlib"
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tdsc_decoder_select="mjpeg_decoder"
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theora_decoder_select="vp3_decoder"
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thp_decoder_select="mjpeg_decoder"
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tiff_decoder_suggest="zlib"
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@ -409,6 +409,7 @@ library:
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@item Sony Wave64 (W64) @tab @tab X
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@item SoX native format @tab X @tab X
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@item SUN AU format @tab X @tab X
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@item TDSC @tab @tab X
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@item Text files @tab @tab X
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@item THP @tab @tab X
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@tab Used on the Nintendo GameCube.
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@ -377,6 +377,7 @@ OBJS-$(CONFIG_SVQ3_DECODER) += svq3.o svq13.o mpegutils.o
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OBJS-$(CONFIG_TAK_DECODER) += takdec.o tak.o
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OBJS-$(CONFIG_TARGA_DECODER) += targa.o
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OBJS-$(CONFIG_TARGA_ENCODER) += targaenc.o rle.o
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OBJS-$(CONFIG_TDSC_DECODER) += tdsc.o
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OBJS-$(CONFIG_TIERTEXSEQVIDEO_DECODER) += tiertexseqv.o
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OBJS-$(CONFIG_TIFF_DECODER) += tiff.o lzw.o faxcompr.o
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OBJS-$(CONFIG_TIFF_ENCODER) += tiffenc.o rle.o lzwenc.o
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@ -243,6 +243,7 @@ void avcodec_register_all(void)
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REGISTER_ENCDEC (SVQ1, svq1);
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REGISTER_DECODER(SVQ3, svq3);
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REGISTER_ENCDEC (TARGA, targa);
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REGISTER_DECODER(TDSC, tdsc);
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REGISTER_DECODER(THEORA, theora);
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REGISTER_DECODER(THP, thp);
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REGISTER_DECODER(TIERTEXSEQVIDEO, tiertexseqvideo);
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@ -294,6 +294,7 @@ enum AVCodecID {
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AV_CODEC_ID_MVC1,
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AV_CODEC_ID_MVC2,
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AV_CODEC_ID_HQX,
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AV_CODEC_ID_TDSC,
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/* various PCM "codecs" */
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AV_CODEC_ID_FIRST_AUDIO = 0x10000, ///< A dummy id pointing at the start of audio codecs
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@ -1285,6 +1285,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
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.long_name = NULL_IF_CONFIG_SMALL("Truevision Targa image"),
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.props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
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},
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{
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.id = AV_CODEC_ID_TDSC,
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.type = AVMEDIA_TYPE_VIDEO,
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.name = "tdsc",
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.long_name = NULL_IF_CONFIG_SMALL("TDSC"),
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.props = AV_CODEC_PROP_LOSSY,
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},
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{
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.id = AV_CODEC_ID_TIFF,
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.type = AVMEDIA_TYPE_VIDEO,
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627
libavcodec/tdsc.c
Normal file
627
libavcodec/tdsc.c
Normal file
@ -0,0 +1,627 @@
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/*
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* TDSC decoder
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* Copyright (C) 2015 Vittorio Giovara <vittorio.giovara@gmail.com>
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* TDSC decoder
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*
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* Fourcc: TSDC
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*
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* TDSC is very simple. It codes picture by tiles, storing them in raw BGR24
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* format or compressing them in JPEG. Frames can be full pictures or just
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* updates to the previous frame. Cursor is found in its own frame or at the
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* bottom of the picture. Every frame is then packed with zlib.
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*
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* Supports: BGR24
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*/
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#include <stdint.h>
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#include <zlib.h>
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#include "libavutil/imgutils.h"
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#include "avcodec.h"
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#include "bytestream.h"
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#include "internal.h"
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#define BITMAPINFOHEADER_SIZE 0x28
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#define TDSF_HEADER_SIZE 0x56
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#define TDSB_HEADER_SIZE 0x08
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typedef struct TDSCContext {
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AVCodecContext *jpeg_avctx; // wrapper context for MJPEG
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int width, height;
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GetByteContext gbc;
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AVFrame *refframe; // full decoded frame (without cursor)
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AVFrame *jpgframe; // decoded JPEG tile
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uint8_t *tilebuffer; // buffer containing tile data
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/* zlib interation */
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uint8_t *deflatebuffer;
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uLongf deflatelen;
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/* All that is cursor */
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uint8_t *cursor;
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int cursor_stride;
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int cursor_w, cursor_h, cursor_x, cursor_y;
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int cursor_hot_x, cursor_hot_y;
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} TDSCContext;
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/* 1 byte bits, 1 byte planes, 2 bytes format (probably) */
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enum TDSCCursorFormat {
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CUR_FMT_MONO = 0x01010004,
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CUR_FMT_BGRA = 0x20010004,
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CUR_FMT_RGBA = 0x20010008,
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};
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static av_cold int tdsc_close(AVCodecContext *avctx)
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{
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TDSCContext *ctx = avctx->priv_data;
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av_frame_free(&ctx->refframe);
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av_frame_free(&ctx->jpgframe);
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av_freep(&ctx->deflatebuffer);
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av_freep(&ctx->tilebuffer);
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av_freep(&ctx->cursor);
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avcodec_free_context(&ctx->jpeg_avctx);
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return 0;
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}
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static av_cold int tdsc_init(AVCodecContext *avctx)
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{
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TDSCContext *ctx = avctx->priv_data;
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const AVCodec *codec;
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int ret;
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avctx->pix_fmt = AV_PIX_FMT_BGR24;
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/* These needs to be set to estimate buffer and frame size */
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if (!(avctx->width && avctx->height)) {
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av_log(avctx, AV_LOG_ERROR, "Video size not set.\n");
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return AVERROR_INVALIDDATA;
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}
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/* This value should be large enough for a RAW-only frame plus headers */
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ctx->deflatelen = avctx->width * avctx->height * (3 + 1);
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ret = av_reallocp(&ctx->deflatebuffer, ctx->deflatelen);
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if (ret < 0)
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return ret;
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/* Allocate reference and JPEG frame */
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ctx->refframe = av_frame_alloc();
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ctx->jpgframe = av_frame_alloc();
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if (!ctx->refframe || !ctx->jpgframe)
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return AVERROR(ENOMEM);
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/* Prepare everything needed for JPEG decoding */
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codec = avcodec_find_decoder(AV_CODEC_ID_MJPEG);
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if (!codec)
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return AVERROR_BUG;
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ctx->jpeg_avctx = avcodec_alloc_context3(codec);
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if (!ctx->jpeg_avctx)
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return AVERROR(ENOMEM);
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ctx->jpeg_avctx->flags = avctx->flags;
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ctx->jpeg_avctx->flags2 = avctx->flags2;
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ctx->jpeg_avctx->dct_algo = avctx->dct_algo;
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ctx->jpeg_avctx->idct_algo = avctx->idct_algo;;
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ret = avcodec_open2(ctx->jpeg_avctx, codec, NULL);
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if (ret < 0)
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return ret;
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/* Set the output pixel format on the reference frame */
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ctx->refframe->format = avctx->pix_fmt;
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return 0;
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}
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#define APPLY_ALPHA(src, new, alpha) \
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src = (src * (256 - alpha) + new * alpha) >> 8
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/* Paint a region over a buffer, without drawing out of its bounds. */
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static void tdsc_paint_cursor(AVCodecContext *avctx, uint8_t *dst, int stride)
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{
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TDSCContext *ctx = avctx->priv_data;
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const uint8_t *cursor = ctx->cursor;
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int x = ctx->cursor_x - ctx->cursor_hot_x;
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int y = ctx->cursor_y - ctx->cursor_hot_y;
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int w = ctx->cursor_w;
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int h = ctx->cursor_h;
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int i, j;
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if (!ctx->cursor)
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return;
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if (x + w > ctx->width)
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w = ctx->width - x;
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if (y + h > ctx->height)
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h = ctx->height - y;
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if (x < 0) {
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w += x;
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cursor += -x * 4;
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} else {
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dst += x * 3;
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}
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if (y < 0) {
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h += y;
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cursor += -y * ctx->cursor_stride;
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} else {
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dst += y * stride;
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}
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if (w < 0 || h < 0)
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return;
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for (j = 0; j < h; j++) {
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for (i = 0; i < w; i++) {
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uint8_t alpha = cursor[i * 4];
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APPLY_ALPHA(dst[i * 3 + 0], cursor[i * 4 + 1], alpha);
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APPLY_ALPHA(dst[i * 3 + 1], cursor[i * 4 + 2], alpha);
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APPLY_ALPHA(dst[i * 3 + 2], cursor[i * 4 + 3], alpha);
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}
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dst += stride;
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cursor += ctx->cursor_stride;
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}
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}
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/* Load cursor data and store it in ABGR mode. */
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static int tdsc_load_cursor(AVCodecContext *avctx)
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{
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TDSCContext *ctx = avctx->priv_data;
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int i, j, k, ret, bits, cursor_fmt;
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uint8_t *dst;
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ctx->cursor_hot_x = bytestream2_get_le16(&ctx->gbc);
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ctx->cursor_hot_y = bytestream2_get_le16(&ctx->gbc);
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ctx->cursor_w = bytestream2_get_le16(&ctx->gbc);
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ctx->cursor_h = bytestream2_get_le16(&ctx->gbc);
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ctx->cursor_stride = FFALIGN(ctx->cursor_w, 32) * 4;
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cursor_fmt = bytestream2_get_le32(&ctx->gbc);
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if (ctx->cursor_x >= avctx->width || ctx->cursor_y >= avctx->height) {
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av_log(avctx, AV_LOG_ERROR,
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"Invalid cursor position (%d.%d outside %dx%d).\n",
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ctx->cursor_x, ctx->cursor_y, avctx->width, avctx->height);
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return AVERROR_INVALIDDATA;
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}
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if (ctx->cursor_w < 1 || ctx->cursor_w > 256 ||
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ctx->cursor_h < 1 || ctx->cursor_h > 256) {
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av_log(avctx, AV_LOG_ERROR,
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"Invalid cursor dimensions %dx%d.\n",
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ctx->cursor_w, ctx->cursor_h);
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return AVERROR_INVALIDDATA;
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}
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if (ctx->cursor_hot_x > ctx->cursor_w ||
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ctx->cursor_hot_y > ctx->cursor_h) {
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av_log(avctx, AV_LOG_WARNING, "Invalid hotspot position %d.%d.\n",
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ctx->cursor_hot_x, ctx->cursor_hot_y);
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ctx->cursor_hot_x = FFMIN(ctx->cursor_hot_x, ctx->cursor_w - 1);
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ctx->cursor_hot_y = FFMIN(ctx->cursor_hot_y, ctx->cursor_h - 1);
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}
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ret = av_reallocp(&ctx->cursor, ctx->cursor_stride * ctx->cursor_h);
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if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Cannot allocate cursor buffer.\n");
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return ret;
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}
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dst = ctx->cursor;
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/* here data is packed in BE */
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switch (cursor_fmt) {
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case CUR_FMT_MONO:
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for (j = 0; j < ctx->cursor_h; j++) {
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for (i = 0; i < ctx->cursor_w; i += 32) {
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bits = bytestream2_get_be32(&ctx->gbc);
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for (k = 0; k < 32; k++) {
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dst[0] = !!(bits & 0x80000000);
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dst += 4;
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bits <<= 1;
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}
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}
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dst += ctx->cursor_stride - ctx->cursor_w * 4;
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}
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dst = ctx->cursor;
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for (j = 0; j < ctx->cursor_h; j++) {
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for (i = 0; i < ctx->cursor_w; i += 32) {
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bits = bytestream2_get_be32(&ctx->gbc);
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for (k = 0; k < 32; k++) {
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int mask_bit = !!(bits & 0x80000000);
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switch (dst[0] * 2 + mask_bit) {
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case 0:
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dst[0] = 0xFF;
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dst[1] = 0x00;
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dst[2] = 0x00;
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dst[3] = 0x00;
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break;
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case 1:
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dst[0] = 0xFF;
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dst[1] = 0xFF;
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dst[2] = 0xFF;
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dst[3] = 0xFF;
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break;
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default:
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dst[0] = 0x00;
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dst[1] = 0x00;
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dst[2] = 0x00;
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dst[3] = 0x00;
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}
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dst += 4;
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bits <<= 1;
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}
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}
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dst += ctx->cursor_stride - ctx->cursor_w * 4;
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}
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break;
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case CUR_FMT_BGRA:
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case CUR_FMT_RGBA:
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/* Skip monochrome version of the cursor */
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bytestream2_skip(&ctx->gbc,
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ctx->cursor_h * (FFALIGN(ctx->cursor_w, 32) >> 3));
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if (cursor_fmt & 8) { // RGBA -> ABGR
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for (j = 0; j < ctx->cursor_h; j++) {
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for (i = 0; i < ctx->cursor_w; i++) {
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int val = bytestream2_get_be32(&ctx->gbc);
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*dst++ = val >> 24;
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*dst++ = val >> 16;
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*dst++ = val >> 8;
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*dst++ = val >> 0;
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}
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dst += ctx->cursor_stride - ctx->cursor_w * 4;
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}
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} else { // BGRA -> ABGR
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for (j = 0; j < ctx->cursor_h; j++) {
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for (i = 0; i < ctx->cursor_w; i++) {
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int val = bytestream2_get_be32(&ctx->gbc);
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*dst++ = val >> 0;
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*dst++ = val >> 24;
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*dst++ = val >> 16;
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*dst++ = val >> 8;
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}
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dst += ctx->cursor_stride - ctx->cursor_w * 4;
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}
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}
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break;
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default:
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avpriv_request_sample(avctx, "Cursor format %08x", cursor_fmt);
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return AVERROR_PATCHWELCOME;
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}
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return 0;
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}
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/* Convert a single YUV pixel to RGB. */
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static inline void tdsc_yuv2rgb(uint8_t *out, int Y, int U, int V)
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{
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out[0] = av_clip_uint8(Y + ( 91881 * V + 32768 >> 16));
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out[1] = av_clip_uint8(Y + (-22554 * U - 46802 * V + 32768 >> 16));
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out[2] = av_clip_uint8(Y + (116130 * U + 32768 >> 16));
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}
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/* Convert a YUV420 buffer to a RGB buffer. */
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static av_always_inline void tdsc_blit(uint8_t *dst, int dst_stride,
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const uint8_t *srcy, int srcy_stride,
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const uint8_t *srcu, const uint8_t *srcv,
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int srcuv_stride, int width, int height)
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{
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int col, line;
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for (line = 0; line < height; line++) {
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for (col = 0; col < width; col++)
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tdsc_yuv2rgb(dst + col * 3, srcy[col],
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srcu[col >> 1] - 128, srcv[col >> 1] - 128);
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dst += dst_stride;
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srcy += srcy_stride;
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srcu += srcuv_stride * (line & 1);
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srcv += srcuv_stride * (line & 1);
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}
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}
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/* Invoke the MJPEG decoder to decode the tile. */
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static int tdsc_decode_jpeg_tile(AVCodecContext *avctx, int tile_size,
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int x, int y, int w, int h)
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{
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TDSCContext *ctx = avctx->priv_data;
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AVPacket jpkt;
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int got_frame = 0;
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int ret;
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/* Prepare a packet and send to the MJPEG decoder */
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av_init_packet(&jpkt);
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jpkt.data = ctx->tilebuffer;
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jpkt.size = tile_size;
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ret = avcodec_decode_video2(ctx->jpeg_avctx, ctx->jpgframe,
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&got_frame, &jpkt);
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if (ret < 0 || !got_frame || ctx->jpgframe->format != AV_PIX_FMT_YUVJ420P) {
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av_log(avctx, AV_LOG_ERROR,
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"JPEG decoding error (%d) for (%d) frame.\n",
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ret, got_frame);
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/* Normally skip, error if explode */
|
||||
if (avctx->err_recognition & AV_EF_EXPLODE)
|
||||
return AVERROR_INVALIDDATA;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Let's paint ont the buffer */
|
||||
tdsc_blit(ctx->refframe->data[0] + x * 3 + ctx->refframe->linesize[0] * y,
|
||||
ctx->refframe->linesize[0],
|
||||
ctx->jpgframe->data[0], ctx->jpgframe->linesize[0],
|
||||
ctx->jpgframe->data[1], ctx->jpgframe->data[2],
|
||||
ctx->jpgframe->linesize[1], w, h);
|
||||
|
||||
av_frame_unref(ctx->jpgframe);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Parse frame and either copy data or decode JPEG. */
|
||||
static int tdsc_decode_tiles(AVCodecContext *avctx, int number_tiles)
|
||||
{
|
||||
TDSCContext *ctx = avctx->priv_data;
|
||||
int i;
|
||||
|
||||
/* Iterate over the number of tiles */
|
||||
for (i = 0; i < number_tiles; i++) {
|
||||
int tile_size;
|
||||
int tile_mode;
|
||||
int x, y, w, h;
|
||||
int ret;
|
||||
|
||||
if (bytestream2_get_bytes_left(&ctx->gbc) < 4 ||
|
||||
bytestream2_get_le32(&ctx->gbc) != MKTAG('T','D','S','B') ||
|
||||
bytestream2_get_bytes_left(&ctx->gbc) < TDSB_HEADER_SIZE - 4) {
|
||||
av_log(avctx, AV_LOG_ERROR, "TDSB tag is too small.\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
|
||||
tile_size = bytestream2_get_le32(&ctx->gbc);
|
||||
if (bytestream2_get_bytes_left(&ctx->gbc) < tile_size)
|
||||
return AVERROR_INVALIDDATA;
|
||||
|
||||
tile_mode = bytestream2_get_le32(&ctx->gbc);
|
||||
bytestream2_skip(&ctx->gbc, 4); // unknown
|
||||
x = bytestream2_get_le32(&ctx->gbc);
|
||||
y = bytestream2_get_le32(&ctx->gbc);
|
||||
w = bytestream2_get_le32(&ctx->gbc) - x;
|
||||
h = bytestream2_get_le32(&ctx->gbc) - y;
|
||||
|
||||
if (x >= ctx->width || y >= ctx->height) {
|
||||
av_log(avctx, AV_LOG_ERROR,
|
||||
"Invalid tile position (%d.%d outside %dx%d).\n",
|
||||
x, y, ctx->width, ctx->height);
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
if (x + w > ctx->width || y + h > ctx->height) {
|
||||
av_log(avctx, AV_LOG_ERROR,
|
||||
"Invalid tile size %dx%d\n", w, h);
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
|
||||
ret = av_reallocp(&ctx->tilebuffer, tile_size);
|
||||
if (!ctx->tilebuffer)
|
||||
return ret;
|
||||
|
||||
bytestream2_get_buffer(&ctx->gbc, ctx->tilebuffer, tile_size);
|
||||
|
||||
if (tile_mode == MKTAG('G','E','P','J')) {
|
||||
/* Decode JPEG tile and copy it in the reference frame */
|
||||
ret = tdsc_decode_jpeg_tile(avctx, tile_size, x, y, w, h);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
} else if (tile_mode == MKTAG(' ','W','A','R')) {
|
||||
/* Just copy the buffer to output */
|
||||
av_image_copy_plane(ctx->refframe->data[0] + x * 3 +
|
||||
ctx->refframe->linesize[0] * y,
|
||||
ctx->refframe->linesize[0], ctx->tilebuffer,
|
||||
w * 3, w * 3, h);
|
||||
} else {
|
||||
av_log(avctx, AV_LOG_ERROR, "Unknown tile type %08x.\n", tile_mode);
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
av_log(avctx, AV_LOG_DEBUG, "Tile %d, %dx%d (%d.%d)\n", i, w, h, x, y);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tdsc_parse_tdsf(AVCodecContext *avctx, int number_tiles)
|
||||
{
|
||||
TDSCContext *ctx = avctx->priv_data;
|
||||
int ret, w, h, init_refframe = !ctx->refframe->data[0];
|
||||
|
||||
/* BITMAPINFOHEADER
|
||||
* http://msdn.microsoft.com/en-us/library/windows/desktop/dd183376.aspx */
|
||||
if (bytestream2_get_le32(&ctx->gbc) != BITMAPINFOHEADER_SIZE)
|
||||
return AVERROR_INVALIDDATA;
|
||||
|
||||
/* Store size, but wait for context reinit before updating avctx */
|
||||
w = bytestream2_get_le32(&ctx->gbc);
|
||||
h = -bytestream2_get_le32(&ctx->gbc);
|
||||
|
||||
if (bytestream2_get_le16(&ctx->gbc) != 1 || // 1 plane
|
||||
bytestream2_get_le16(&ctx->gbc) != 24) // BGR24
|
||||
return AVERROR_INVALIDDATA;
|
||||
|
||||
bytestream2_skip(&ctx->gbc, 24); // unused fields
|
||||
|
||||
/* Update sizes */
|
||||
if (avctx->width != w || avctx->height != h) {
|
||||
av_log(avctx, AV_LOG_DEBUG, "Size update %dx%d -> %d%d.\n",
|
||||
avctx->width, avctx->height, ctx->width, ctx->height);
|
||||
ret = ff_set_dimensions(avctx, w, h);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
init_refframe = 1;
|
||||
}
|
||||
ctx->refframe->width = ctx->width = w;
|
||||
ctx->refframe->height = ctx->height = h;
|
||||
|
||||
/* Allocate the reference frame if not already done or on size change */
|
||||
if (init_refframe) {
|
||||
ret = av_frame_get_buffer(ctx->refframe, 32);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Decode all tiles in a frame */
|
||||
return tdsc_decode_tiles(avctx, number_tiles);
|
||||
}
|
||||
|
||||
static int tdsc_parse_dtsm(AVCodecContext *avctx)
|
||||
{
|
||||
TDSCContext *ctx = avctx->priv_data;
|
||||
int ret;
|
||||
int action = bytestream2_get_le32(&ctx->gbc);
|
||||
|
||||
bytestream2_skip(&ctx->gbc, 4); // some kind of ID or version maybe?
|
||||
|
||||
if (action == 2 || action == 3) {
|
||||
/* Load cursor coordinates */
|
||||
ctx->cursor_x = bytestream2_get_le32(&ctx->gbc);
|
||||
ctx->cursor_y = bytestream2_get_le32(&ctx->gbc);
|
||||
|
||||
/* Load a full cursor sprite */
|
||||
if (action == 3) {
|
||||
ret = tdsc_load_cursor(avctx);
|
||||
/* Do not consider cursor errors fatal unless in explode mode */
|
||||
if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE))
|
||||
return ret;
|
||||
}
|
||||
} else {
|
||||
avpriv_request_sample(avctx, "Cursor action %d", action);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tdsc_decode_frame(AVCodecContext *avctx, void *data,
|
||||
int *got_frame, AVPacket *avpkt)
|
||||
{
|
||||
TDSCContext *ctx = avctx->priv_data;
|
||||
AVFrame *frame = data;
|
||||
int ret, tag_header, keyframe = 0;
|
||||
uLongf dlen;
|
||||
|
||||
/* Resize deflate buffer on resolution change */
|
||||
if (ctx->width != avctx->width || ctx->height != avctx->height) {
|
||||
ctx->deflatelen = avctx->width * avctx->height * (3 + 1);
|
||||
ret = av_reallocp(&ctx->deflatebuffer, ctx->deflatelen);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
}
|
||||
dlen = ctx->deflatelen;
|
||||
|
||||
/* Frames are deflated, need to inflate them first */
|
||||
ret = uncompress(ctx->deflatebuffer, &dlen, avpkt->data, avpkt->size);
|
||||
if (ret) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Deflate error %d.\n", ret);
|
||||
return AVERROR_UNKNOWN;
|
||||
}
|
||||
|
||||
bytestream2_init(&ctx->gbc, ctx->deflatebuffer, dlen);
|
||||
|
||||
/* Check for tag and for size info */
|
||||
if (bytestream2_get_bytes_left(&ctx->gbc) < 4 + 4) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Frame is too small.\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
|
||||
/* Read tag */
|
||||
tag_header = bytestream2_get_le32(&ctx->gbc);
|
||||
|
||||
if (tag_header == MKTAG('T','D','S','F')) {
|
||||
int number_tiles;
|
||||
if (bytestream2_get_bytes_left(&ctx->gbc) < TDSF_HEADER_SIZE) {
|
||||
av_log(avctx, AV_LOG_ERROR, "TDSF tag is too small.\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
/* First 4 bytes here are the number of GEPJ/WAR tiles in this frame */
|
||||
number_tiles = bytestream2_get_le32(&ctx->gbc);
|
||||
|
||||
bytestream2_skip(&ctx->gbc, 4); // internal timestamp maybe?
|
||||
keyframe = bytestream2_get_le32(&ctx->gbc) == 0x30;
|
||||
|
||||
ret = tdsc_parse_tdsf(avctx, number_tiles);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
/* Check if there is anything else we are able to parse */
|
||||
if (bytestream2_get_bytes_left(&ctx->gbc) >= 4 + 4)
|
||||
tag_header = bytestream2_get_le32(&ctx->gbc);
|
||||
}
|
||||
|
||||
/* This tag can be after a TDSF block or on its own frame */
|
||||
if (tag_header == MKTAG('D','T','S','M')) {
|
||||
/* First 4 bytes here are the total size in bytes for this frame */
|
||||
int tag_size = bytestream2_get_le32(&ctx->gbc);
|
||||
|
||||
if (bytestream2_get_bytes_left(&ctx->gbc) < tag_size) {
|
||||
av_log(avctx, AV_LOG_ERROR, "DTSM tag is too small.\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
|
||||
ret = tdsc_parse_dtsm(avctx);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Get the output frame and copy the reference frame */
|
||||
ret = ff_get_buffer(avctx, frame, 0);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
ret = av_frame_copy(frame, ctx->refframe);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
/* Paint the cursor on the output frame */
|
||||
tdsc_paint_cursor(avctx, frame->data[0], frame->linesize[0]);
|
||||
|
||||
/* Frame is ready to be output */
|
||||
if (keyframe) {
|
||||
frame->pict_type = AV_PICTURE_TYPE_I;
|
||||
frame->key_frame = 1;
|
||||
} else {
|
||||
frame->pict_type = AV_PICTURE_TYPE_P;
|
||||
}
|
||||
*got_frame = 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
AVCodec ff_tdsc_decoder = {
|
||||
.name = "tdsc",
|
||||
.long_name = NULL_IF_CONFIG_SMALL("TDSC"),
|
||||
.type = AVMEDIA_TYPE_VIDEO,
|
||||
.id = AV_CODEC_ID_TDSC,
|
||||
.init = tdsc_init,
|
||||
.decode = tdsc_decode_frame,
|
||||
.close = tdsc_close,
|
||||
.priv_data_size = sizeof(TDSCContext),
|
||||
.capabilities = CODEC_CAP_DR1,
|
||||
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
|
||||
FF_CODEC_CAP_INIT_CLEANUP,
|
||||
};
|
||||
@ -29,7 +29,7 @@
|
||||
#include "libavutil/version.h"
|
||||
|
||||
#define LIBAVCODEC_VERSION_MAJOR 56
|
||||
#define LIBAVCODEC_VERSION_MINOR 17
|
||||
#define LIBAVCODEC_VERSION_MINOR 18
|
||||
#define LIBAVCODEC_VERSION_MICRO 0
|
||||
|
||||
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
|
||||
|
||||
@ -352,6 +352,7 @@ const AVCodecTag ff_codec_bmp_tags[] = {
|
||||
{ AV_CODEC_ID_PRORES, MKTAG('A', 'P', 'C', 'H') },
|
||||
{ AV_CODEC_ID_QTRLE, MKTAG('r', 'l', 'e', ' ') },
|
||||
{ AV_CODEC_ID_HQX, MKTAG('C', 'H', 'Q', 'X') },
|
||||
{ AV_CODEC_ID_TDSC, MKTAG('T', 'D', 'S', 'C') },
|
||||
{ AV_CODEC_ID_NONE, 0 }
|
||||
};
|
||||
|
||||
|
||||
@ -248,6 +248,9 @@ fate-sp5x: CMD = framecrc -idct simple -i $(TARGET_SAMPLES)/sp5x/sp5x_problem.av
|
||||
FATE_SAMPLES_AVCONV-$(call DEMDEC, SRT, SRT) += fate-sub-srt
|
||||
fate-sub-srt: CMD = md5 -i $(TARGET_SAMPLES)/sub/SubRip_capability_tester.srt -f ass
|
||||
|
||||
FATE_SAMPLES_AVCONV-$(call DEMDEC, ASF, TDSC) += fate-tdsc
|
||||
fate-tdsc: CMD = framecrc -idct simple -i $(TARGET_SAMPLES)/tdsc/tdsc.asf -an -pix_fmt bgr24
|
||||
|
||||
FATE_SAMPLES_AVCONV-$(call DEMDEC, THP, THP) += fate-thp
|
||||
fate-thp: CMD = framecrc -idct simple -i $(TARGET_SAMPLES)/thp/pikmin2-opening1-partial.thp -an
|
||||
|
||||
|
||||
42
tests/ref/fate/tdsc
Normal file
42
tests/ref/fate/tdsc
Normal file
@ -0,0 +1,42 @@
|
||||
#tb 0: 1/1000
|
||||
0, 0, 0, 0, 3888000, 0x9c498657
|
||||
0, 233, 233, 0, 3888000, 0x72a2ae22
|
||||
0, 266, 266, 0, 3888000, 0x72a2ae22
|
||||
0, 333, 333, 0, 3888000, 0x72a2ae22
|
||||
0, 533, 533, 0, 3888000, 0x72a2ae22
|
||||
0, 566, 566, 0, 3888000, 0x72a2ae22
|
||||
0, 666, 666, 0, 3888000, 0x550e417b
|
||||
0, 966, 966, 0, 3888000, 0x550e417b
|
||||
0, 999, 999, 0, 3888000, 0x550e417b
|
||||
0, 1033, 1033, 0, 3888000, 0x550e417b
|
||||
0, 1066, 1066, 0, 3888000, 0x550e417b
|
||||
0, 1133, 1133, 0, 3888000, 0x550e417b
|
||||
0, 1166, 1166, 0, 3888000, 0x38dcde13
|
||||
0, 1566, 1566, 0, 3888000, 0x2b7c0edd
|
||||
0, 1599, 1599, 0, 3888000, 0xaaaf3c7b
|
||||
0, 1633, 1633, 0, 3888000, 0x26d1710f
|
||||
0, 1666, 1666, 0, 3888000, 0xa6609f3f
|
||||
0, 1699, 1699, 0, 3888000, 0xaa41c6f3
|
||||
0, 1733, 1733, 0, 3888000, 0xc0ffd4d5
|
||||
0, 1766, 1766, 0, 3888000, 0x44d4f383
|
||||
0, 1833, 1833, 0, 3888000, 0x517047eb
|
||||
0, 1866, 1866, 0, 3888000, 0x1d5a4d5b
|
||||
0, 1899, 1899, 0, 3888000, 0x7d2da2f6
|
||||
0, 1933, 1933, 0, 3888000, 0x27f7a2f6
|
||||
0, 1966, 1966, 0, 3888000, 0x9de49edb
|
||||
0, 1999, 1999, 0, 3888000, 0x5ccb9f38
|
||||
0, 2033, 2033, 0, 3888000, 0x88069fb2
|
||||
0, 2066, 2066, 0, 3888000, 0x1d059fd3
|
||||
0, 2099, 2099, 0, 3888000, 0xe16d9fd3
|
||||
0, 2133, 2133, 0, 3888000, 0xb6a69fd3
|
||||
0, 2166, 2166, 0, 3888000, 0xb6a69fd3
|
||||
0, 2199, 2199, 0, 3888000, 0x61709fd3
|
||||
0, 2233, 2233, 0, 3888000, 0xb6f59fd3
|
||||
0, 2266, 2266, 0, 3888000, 0x5c7b9fd3
|
||||
0, 2299, 2299, 0, 3888000, 0x57869fd3
|
||||
0, 2333, 2333, 0, 3888000, 0x9d3f9fd3
|
||||
0, 2433, 2433, 0, 3888000, 0x5e6082a5
|
||||
0, 2466, 2466, 0, 3888000, 0x5e6082a5
|
||||
0, 2499, 2499, 0, 3888000, 0x5e6082a5
|
||||
0, 2533, 2533, 0, 3888000, 0x48ce82f3
|
||||
0, 2566, 2566, 0, 3888000, 0x4c5ebeaf
|
||||
Loading…
Reference in New Issue
Block a user