From a3fd835dad8e191fb18bfb1f17c05303399ca2e1 Mon Sep 17 00:00:00 2001 From: shatty Date: Mon, 2 Feb 2004 01:05:21 +0000 Subject: [PATCH] add lcl vmdav git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6463 a95241bf-73f2-0310-859d-f6bbb57e9c96 --- .../media/plugins/avcodec/libavcodec/Jamfile | 2 + .../media/plugins/avcodec/libavcodec/lcl.c | 892 ++++++++++++++++++ .../media/plugins/avcodec/libavcodec/vmdav.c | 548 +++++++++++ 3 files changed, 1442 insertions(+) create mode 100644 src/add-ons/media/plugins/avcodec/libavcodec/lcl.c create mode 100644 src/add-ons/media/plugins/avcodec/libavcodec/vmdav.c diff --git a/src/add-ons/media/plugins/avcodec/libavcodec/Jamfile b/src/add-ons/media/plugins/avcodec/libavcodec/Jamfile index a96f922cf8..111992c220 100644 --- a/src/add-ons/media/plugins/avcodec/libavcodec/Jamfile +++ b/src/add-ons/media/plugins/avcodec/libavcodec/Jamfile @@ -40,6 +40,7 @@ StaticLibrary avcodec : jfdctfst.c jfdctint.c jrevdct.c + lcl.c mace.c mdct.c mem.c @@ -70,6 +71,7 @@ StaticLibrary avcodec : truemotion1.c utils.c vcr1.c + vmdav.c vp3.c vqavideo.c wmadec.c diff --git a/src/add-ons/media/plugins/avcodec/libavcodec/lcl.c b/src/add-ons/media/plugins/avcodec/libavcodec/lcl.c new file mode 100644 index 0000000000..9a8591a899 --- /dev/null +++ b/src/add-ons/media/plugins/avcodec/libavcodec/lcl.c @@ -0,0 +1,892 @@ +/* + * LCL (LossLess Codec Library) Codec + * Copyright (c) 2002-2004 Roberto Togni + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +/** + * @file lcl.c + * LCL (LossLess Codec Library) Video Codec + * Decoder for MSZH and ZLIB codecs + * Experimental encoder for ZLIB RGB24 + * + * Fourcc: MSZH, ZLIB + * + * Original Win32 dll: + * Ver2.23 By Kenji Oshima 2000.09.20 + * avimszh.dll, avizlib.dll + * + * A description of the decoding algorithm can be found here: + * http://www.pcisys.net/~melanson/codecs + * + * Supports: BGR24 (RGB 24bpp) + * + */ + +#include +#include + +#include "common.h" +#include "avcodec.h" + +#ifdef CONFIG_ZLIB +#include +#endif + + +#define BMPTYPE_YUV 1 +#define BMPTYPE_RGB 2 + +#define IMGTYPE_YUV111 0 +#define IMGTYPE_YUV422 1 +#define IMGTYPE_RGB24 2 +#define IMGTYPE_YUV411 3 +#define IMGTYPE_YUV211 4 +#define IMGTYPE_YUV420 5 + +#define COMP_MSZH 0 +#define COMP_MSZH_NOCOMP 1 +#define COMP_ZLIB_HISPEED 1 +#define COMP_ZLIB_HICOMP 9 +#define COMP_ZLIB_NORMAL -1 + +#define FLAG_MULTITHREAD 1 +#define FLAG_NULLFRAME 2 +#define FLAG_PNGFILTER 4 +#define FLAGMASK_UNUSED 0xf8 + +#define CODEC_MSZH 1 +#define CODEC_ZLIB 3 + +#define FOURCC_MSZH mmioFOURCC('M','S','Z','H') +#define FOURCC_ZLIB mmioFOURCC('Z','L','I','B') + +/* + * Decoder context + */ +typedef struct LclContext { + + AVCodecContext *avctx; + AVFrame pic; + PutBitContext pb; + + // Image type + int imgtype; + // Compression type + int compression; + // Flags + int flags; + // Decompressed data size + unsigned int decomp_size; + // Decompression buffer + unsigned char* decomp_buf; + // Maximum compressed data size + unsigned int max_comp_size; + // Compression buffer + unsigned char* comp_buf; +#ifdef CONFIG_ZLIB + z_stream zstream; +#endif +} LclContext; + + +/* + * + * Helper functions + * + */ +static inline unsigned char fix (int pix14) +{ + int tmp; + + tmp = (pix14 + 0x80000) >> 20; + if (tmp < 0) + return 0; + if (tmp > 255) + return 255; + return tmp; +} + + + +static inline unsigned char get_b (unsigned char yq, signed char bq) +{ + return fix((yq << 20) + bq * 1858076); +} + + + +static inline unsigned char get_g (unsigned char yq, signed char bq, signed char rq) +{ + return fix((yq << 20) - bq * 360857 - rq * 748830); +} + + + +static inline unsigned char get_r (unsigned char yq, signed char rq) +{ + return fix((yq << 20) + rq * 1470103); +} + + + +static int mszh_decomp(unsigned char * srcptr, int srclen, unsigned char * destptr) +{ + unsigned char *destptr_bak = destptr; + unsigned char mask = 0; + unsigned char maskbit = 0; + unsigned int ofs, cnt; + + while (srclen > 0) { + if (maskbit == 0) { + mask = *(srcptr++); + maskbit = 8; + srclen--; + continue; + } + if ((mask & (1 << (--maskbit))) == 0) { + *(int*)destptr = *(int*)srcptr; + srclen -= 4; + destptr += 4; + srcptr += 4; + } else { + ofs = *(srcptr++); + cnt = *(srcptr++); + ofs += cnt * 256;; + cnt = ((cnt >> 3) & 0x1f) + 1; + ofs &= 0x7ff; + srclen -= 2; + cnt *= 4; + for (; cnt > 0; cnt--) { + *(destptr) = *(destptr - ofs); + destptr++; + } + } + } + + return (destptr - destptr_bak); +} + + + + +/* + * + * Decode a frame + * + */ +static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8_t *buf, int buf_size) +{ + LclContext * const c = (LclContext *)avctx->priv_data; + unsigned char *encoded = (unsigned char *)buf; + int pixel_ptr; + int row, col; + unsigned char *outptr; + unsigned int width = avctx->width; // Real image width + unsigned int height = avctx->height; // Real image height + unsigned int mszh_dlen; + unsigned char yq, y1q, uq, vq; + int uqvq; + unsigned int mthread_inlen, mthread_outlen; +#ifdef CONFIG_ZLIB + int zret; // Zlib return code +#endif + int len = buf_size; + + /* no supplementary picture */ + if (buf_size == 0) + return 0; + + if(c->pic.data[0]) + avctx->release_buffer(avctx, &c->pic); + + c->pic.reference = 0; + c->pic.buffer_hints = FF_BUFFER_HINTS_VALID; + if(avctx->get_buffer(avctx, &c->pic) < 0){ + av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); + return -1; + } + + outptr = c->pic.data[0]; // Output image pointer + + /* Decompress frame */ + switch (avctx->codec_id) { + case CODEC_ID_MSZH: + switch (c->compression) { + case COMP_MSZH: + if (c->flags & FLAG_MULTITHREAD) { + mthread_inlen = *((unsigned int*)encoded); + mthread_outlen = *((unsigned int*)(encoded+4)); + mszh_dlen = mszh_decomp(encoded + 8, mthread_inlen, c->decomp_buf); + if (mthread_outlen != mszh_dlen) { + av_log(avctx, AV_LOG_ERROR, "Mthread1 decoded size differs (%d != %d)\n", + mthread_outlen, mszh_dlen); + } + mszh_dlen = mszh_decomp(encoded + 8 + mthread_inlen, len - mthread_inlen, + c->decomp_buf + mthread_outlen); + if ((c->decomp_size - mthread_outlen) != mszh_dlen) { + av_log(avctx, AV_LOG_ERROR, "Mthread2 decoded size differs (%d != %d)\n", + c->decomp_size - mthread_outlen, mszh_dlen); + } + encoded = c->decomp_buf; + len = c->decomp_size; + } else { + mszh_dlen = mszh_decomp(encoded, len, c->decomp_buf); + if (c->decomp_size != mszh_dlen) { + av_log(avctx, AV_LOG_ERROR, "Decoded size differs (%d != %d)\n", + c->decomp_size, mszh_dlen); + } + encoded = c->decomp_buf; + len = mszh_dlen; + } + break; + case COMP_MSZH_NOCOMP: + break; + default: + av_log(avctx, AV_LOG_ERROR, "BUG! Unknown MSZH compression in frame decoder.\n"); + return -1; + } + break; + case CODEC_ID_ZLIB: +#ifdef CONFIG_ZLIB + /* Using the original dll with normal compression (-1) and RGB format + * gives a file with ZLIB fourcc, but frame is really uncompressed. + * To be sure that's true check also frame size */ + if ((c->compression == COMP_ZLIB_NORMAL) && (c->imgtype == IMGTYPE_RGB24) && + (len == width * height * 3)) + break; + zret = inflateReset(&(c->zstream)); + if (zret != Z_OK) { + av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", zret); + return -1; + } + if (c->flags & FLAG_MULTITHREAD) { + mthread_inlen = *((unsigned int*)encoded); + mthread_outlen = *((unsigned int*)(encoded+4)); + c->zstream.next_in = encoded + 8; + c->zstream.avail_in = mthread_inlen; + c->zstream.next_out = c->decomp_buf; + c->zstream.avail_out = mthread_outlen; + zret = inflate(&(c->zstream), Z_FINISH); + if ((zret != Z_OK) && (zret != Z_STREAM_END)) { + av_log(avctx, AV_LOG_ERROR, "Mthread1 inflate error: %d\n", zret); + return -1; + } + if (mthread_outlen != (unsigned int)(c->zstream.total_out)) { + av_log(avctx, AV_LOG_ERROR, "Mthread1 decoded size differs (%u != %lu)\n", + mthread_outlen, c->zstream.total_out); + } + zret = inflateReset(&(c->zstream)); + if (zret != Z_OK) { + av_log(avctx, AV_LOG_ERROR, "Mthread2 inflate reset error: %d\n", zret); + return -1; + } + c->zstream.next_in = encoded + 8 + mthread_inlen; + c->zstream.avail_in = len - mthread_inlen; + c->zstream.next_out = c->decomp_buf + mthread_outlen; + c->zstream.avail_out = mthread_outlen; + zret = inflate(&(c->zstream), Z_FINISH); + if ((zret != Z_OK) && (zret != Z_STREAM_END)) { + av_log(avctx, AV_LOG_ERROR, "Mthread2 inflate error: %d\n", zret); + return -1; + } + if ((c->decomp_size - mthread_outlen) != (unsigned int)(c->zstream.total_out)) { + av_log(avctx, AV_LOG_ERROR, "Mthread2 decoded size differs (%d != %lu)\n", + c->decomp_size - mthread_outlen, c->zstream.total_out); + } + } else { + c->zstream.next_in = encoded; + c->zstream.avail_in = len; + c->zstream.next_out = c->decomp_buf; + c->zstream.avail_out = c->decomp_size; + zret = inflate(&(c->zstream), Z_FINISH); + if ((zret != Z_OK) && (zret != Z_STREAM_END)) { + av_log(avctx, AV_LOG_ERROR, "Inflate error: %d\n", zret); + return -1; + } + if (c->decomp_size != (unsigned int)(c->zstream.total_out)) { + av_log(avctx, AV_LOG_ERROR, "Decoded size differs (%d != %lu)\n", + c->decomp_size, c->zstream.total_out); + } + } + encoded = c->decomp_buf; + len = c->decomp_size;; +#else + av_log(avctx, AV_LOG_ERROR, "BUG! Zlib support not compiled in frame decoder.\n"); + return -1; +#endif + break; + default: + av_log(avctx, AV_LOG_ERROR, "BUG! Unknown codec in frame decoder compression switch.\n"); + return -1; + } + + + /* Apply PNG filter */ + if ((avctx->codec_id == CODEC_ID_ZLIB) && (c->flags & FLAG_PNGFILTER)) { + switch (c->imgtype) { + case IMGTYPE_YUV111: + case IMGTYPE_RGB24: + for (row = 0; row < height; row++) { + pixel_ptr = row * width * 3; + yq = encoded[pixel_ptr++]; + uqvq = encoded[pixel_ptr++]; + uqvq+=(encoded[pixel_ptr++] << 8); + for (col = 1; col < width; col++) { + encoded[pixel_ptr] = yq -= encoded[pixel_ptr]; + uqvq -= (encoded[pixel_ptr+1] | (encoded[pixel_ptr+2]<<8)); + encoded[pixel_ptr+1] = (uqvq) & 0xff; + encoded[pixel_ptr+2] = ((uqvq)>>8) & 0xff; + pixel_ptr += 3; + } + } + break; + case IMGTYPE_YUV422: + for (row = 0; row < height; row++) { + pixel_ptr = row * width * 2; + yq = uq = vq =0; + for (col = 0; col < width/4; col++) { + encoded[pixel_ptr] = yq -= encoded[pixel_ptr]; + encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1]; + encoded[pixel_ptr+2] = yq -= encoded[pixel_ptr+2]; + encoded[pixel_ptr+3] = yq -= encoded[pixel_ptr+3]; + encoded[pixel_ptr+4] = uq -= encoded[pixel_ptr+4]; + encoded[pixel_ptr+5] = uq -= encoded[pixel_ptr+5]; + encoded[pixel_ptr+6] = vq -= encoded[pixel_ptr+6]; + encoded[pixel_ptr+7] = vq -= encoded[pixel_ptr+7]; + pixel_ptr += 8; + } + } + break; + case IMGTYPE_YUV411: + for (row = 0; row < height; row++) { + pixel_ptr = row * width / 2 * 3; + yq = uq = vq =0; + for (col = 0; col < width/4; col++) { + encoded[pixel_ptr] = yq -= encoded[pixel_ptr]; + encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1]; + encoded[pixel_ptr+2] = yq -= encoded[pixel_ptr+2]; + encoded[pixel_ptr+3] = yq -= encoded[pixel_ptr+3]; + encoded[pixel_ptr+4] = uq -= encoded[pixel_ptr+4]; + encoded[pixel_ptr+5] = vq -= encoded[pixel_ptr+5]; + pixel_ptr += 6; + } + } + break; + case IMGTYPE_YUV211: + for (row = 0; row < height; row++) { + pixel_ptr = row * width * 2; + yq = uq = vq =0; + for (col = 0; col < width/2; col++) { + encoded[pixel_ptr] = yq -= encoded[pixel_ptr]; + encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1]; + encoded[pixel_ptr+2] = uq -= encoded[pixel_ptr+2]; + encoded[pixel_ptr+3] = vq -= encoded[pixel_ptr+3]; + pixel_ptr += 4; + } + } + break; + case IMGTYPE_YUV420: + for (row = 0; row < height/2; row++) { + pixel_ptr = row * width * 3; + yq = y1q = uq = vq =0; + for (col = 0; col < width/2; col++) { + encoded[pixel_ptr] = yq -= encoded[pixel_ptr]; + encoded[pixel_ptr+1] = yq -= encoded[pixel_ptr+1]; + encoded[pixel_ptr+2] = y1q -= encoded[pixel_ptr+2]; + encoded[pixel_ptr+3] = y1q -= encoded[pixel_ptr+3]; + encoded[pixel_ptr+4] = uq -= encoded[pixel_ptr+4]; + encoded[pixel_ptr+5] = vq -= encoded[pixel_ptr+5]; + pixel_ptr += 6; + } + } + break; + default: + av_log(avctx, AV_LOG_ERROR, "BUG! Unknown imagetype in pngfilter switch.\n"); + return -1; + } + } + + /* Convert colorspace */ + switch (c->imgtype) { + case IMGTYPE_YUV111: + for (row = height - 1; row >= 0; row--) { + pixel_ptr = row * c->pic.linesize[0]; + for (col = 0; col < width; col++) { + outptr[pixel_ptr++] = get_b(encoded[0], encoded[1]); + outptr[pixel_ptr++] = get_g(encoded[0], encoded[1], encoded[2]); + outptr[pixel_ptr++] = get_r(encoded[0], encoded[2]); + encoded += 3; + } + } + break; + case IMGTYPE_YUV422: + for (row = height - 1; row >= 0; row--) { + pixel_ptr = row * c->pic.linesize[0]; + for (col = 0; col < width/4; col++) { + outptr[pixel_ptr++] = get_b(encoded[0], encoded[4]); + outptr[pixel_ptr++] = get_g(encoded[0], encoded[4], encoded[6]); + outptr[pixel_ptr++] = get_r(encoded[0], encoded[6]); + outptr[pixel_ptr++] = get_b(encoded[1], encoded[4]); + outptr[pixel_ptr++] = get_g(encoded[1], encoded[4], encoded[6]); + outptr[pixel_ptr++] = get_r(encoded[1], encoded[6]); + outptr[pixel_ptr++] = get_b(encoded[2], encoded[5]); + outptr[pixel_ptr++] = get_g(encoded[2], encoded[5], encoded[7]); + outptr[pixel_ptr++] = get_r(encoded[2], encoded[7]); + outptr[pixel_ptr++] = get_b(encoded[3], encoded[5]); + outptr[pixel_ptr++] = get_g(encoded[3], encoded[5], encoded[7]); + outptr[pixel_ptr++] = get_r(encoded[3], encoded[7]); + encoded += 8; + } + } + break; + case IMGTYPE_RGB24: + for (row = height - 1; row >= 0; row--) { + pixel_ptr = row * c->pic.linesize[0]; + for (col = 0; col < width; col++) { + outptr[pixel_ptr++] = encoded[0]; + outptr[pixel_ptr++] = encoded[1]; + outptr[pixel_ptr++] = encoded[2]; + encoded += 3; + } + } + break; + case IMGTYPE_YUV411: + for (row = height - 1; row >= 0; row--) { + pixel_ptr = row * c->pic.linesize[0]; + for (col = 0; col < width/4; col++) { + outptr[pixel_ptr++] = get_b(encoded[0], encoded[4]); + outptr[pixel_ptr++] = get_g(encoded[0], encoded[4], encoded[5]); + outptr[pixel_ptr++] = get_r(encoded[0], encoded[5]); + outptr[pixel_ptr++] = get_b(encoded[1], encoded[4]); + outptr[pixel_ptr++] = get_g(encoded[1], encoded[4], encoded[5]); + outptr[pixel_ptr++] = get_r(encoded[1], encoded[5]); + outptr[pixel_ptr++] = get_b(encoded[2], encoded[4]); + outptr[pixel_ptr++] = get_g(encoded[2], encoded[4], encoded[5]); + outptr[pixel_ptr++] = get_r(encoded[2], encoded[5]); + outptr[pixel_ptr++] = get_b(encoded[3], encoded[4]); + outptr[pixel_ptr++] = get_g(encoded[3], encoded[4], encoded[5]); + outptr[pixel_ptr++] = get_r(encoded[3], encoded[5]); + encoded += 6; + } + } + break; + case IMGTYPE_YUV211: + for (row = height - 1; row >= 0; row--) { + pixel_ptr = row * c->pic.linesize[0]; + for (col = 0; col < width/2; col++) { + outptr[pixel_ptr++] = get_b(encoded[0], encoded[2]); + outptr[pixel_ptr++] = get_g(encoded[0], encoded[2], encoded[3]); + outptr[pixel_ptr++] = get_r(encoded[0], encoded[3]); + outptr[pixel_ptr++] = get_b(encoded[1], encoded[2]); + outptr[pixel_ptr++] = get_g(encoded[1], encoded[2], encoded[3]); + outptr[pixel_ptr++] = get_r(encoded[1], encoded[3]); + encoded += 4; + } + } + break; + case IMGTYPE_YUV420: + for (row = height / 2 - 1; row >= 0; row--) { + pixel_ptr = 2 * row * c->pic.linesize[0]; + for (col = 0; col < width/2; col++) { + outptr[pixel_ptr] = get_b(encoded[0], encoded[4]); + outptr[pixel_ptr+1] = get_g(encoded[0], encoded[4], encoded[5]); + outptr[pixel_ptr+2] = get_r(encoded[0], encoded[5]); + outptr[pixel_ptr+3] = get_b(encoded[1], encoded[4]); + outptr[pixel_ptr+4] = get_g(encoded[1], encoded[4], encoded[5]); + outptr[pixel_ptr+5] = get_r(encoded[1], encoded[5]); + outptr[pixel_ptr-c->pic.linesize[0]] = get_b(encoded[2], encoded[4]); + outptr[pixel_ptr-c->pic.linesize[0]+1] = get_g(encoded[2], encoded[4], encoded[5]); + outptr[pixel_ptr-c->pic.linesize[0]+2] = get_r(encoded[2], encoded[5]); + outptr[pixel_ptr-c->pic.linesize[0]+3] = get_b(encoded[3], encoded[4]); + outptr[pixel_ptr-c->pic.linesize[0]+4] = get_g(encoded[3], encoded[4], encoded[5]); + outptr[pixel_ptr-c->pic.linesize[0]+5] = get_r(encoded[3], encoded[5]); + pixel_ptr += 6; + encoded += 6; + } + } + break; + default: + av_log(avctx, AV_LOG_ERROR, "BUG! Unknown imagetype in image decoder.\n"); + return -1; + } + + *data_size = sizeof(AVFrame); + *(AVFrame*)data = c->pic; + + /* always report that the buffer was completely consumed */ + return buf_size; +} + + + +/* + * + * Encode a frame + * + */ +static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){ + LclContext *c = avctx->priv_data; + AVFrame *pict = data; + AVFrame * const p = &c->pic; + int i; + int zret; // Zlib return code + +#ifndef CONFIG_ZLIB + av_log(avctx, AV_LOG_ERROR, "Zlib support not compiled in.\n"); + return -1; +#else + + init_put_bits(&c->pb, buf, buf_size); + + *p = *pict; + p->pict_type= FF_I_TYPE; + p->key_frame= 1; + + if(avctx->pix_fmt != PIX_FMT_BGR24){ + av_log(avctx, AV_LOG_ERROR, "Format not supported!\n"); + return -1; + } + + zret = deflateReset(&(c->zstream)); + if (zret != Z_OK) { + av_log(avctx, AV_LOG_ERROR, "Deflate reset error: %d\n", zret); + return -1; + } + c->zstream.next_in = p->data[0]; + c->zstream.avail_in = c->decomp_size; + c->zstream.next_out = c->comp_buf; + c->zstream.avail_out = c->max_comp_size; + + zret = deflate(&(c->zstream), Z_FINISH); + if ((zret != Z_OK) && (zret != Z_STREAM_END)) { + av_log(avctx, AV_LOG_ERROR, "Deflate error: %d\n", zret); + return -1; + } + + for (i = 0; i < c->zstream.total_out; i++) + put_bits(&c->pb, 8, c->comp_buf[i]); + flush_put_bits(&c->pb); + + return c->zstream.total_out; +#endif +} + + + +/* + * + * Init lcl decoder + * + */ +static int decode_init(AVCodecContext *avctx) +{ + LclContext * const c = (LclContext *)avctx->priv_data; + int basesize = avctx->width * avctx->height; + int zret; // Zlib return code + + c->avctx = avctx; + avctx->has_b_frames = 0; + + c->pic.data[0] = NULL; + +#ifdef CONFIG_ZLIB + // Needed if zlib unused or init aborted before inflateInit + memset(&(c->zstream), 0, sizeof(z_stream)); +#endif + + if (avctx->extradata_size < 8) { + av_log(avctx, AV_LOG_ERROR, "Extradata size too small.\n"); + return 1; + } + + /* Check codec type */ + if (((avctx->codec_id == CODEC_ID_MSZH) && (*((char *)avctx->extradata + 7) != CODEC_MSZH)) || + ((avctx->codec_id == CODEC_ID_ZLIB) && (*((char *)avctx->extradata + 7) != CODEC_ZLIB))) { + av_log(avctx, AV_LOG_ERROR, "Codec id and codec type mismatch. This should not happen.\n"); + } + + /* Detect image type */ + switch (c->imgtype = *((char *)avctx->extradata + 4)) { + case IMGTYPE_YUV111: + c->decomp_size = basesize * 3; + av_log(avctx, AV_LOG_INFO, "Image type is YUV 1:1:1.\n"); + break; + case IMGTYPE_YUV422: + c->decomp_size = basesize * 2; + av_log(avctx, AV_LOG_INFO, "Image type is YUV 4:2:2.\n"); + break; + case IMGTYPE_RGB24: + c->decomp_size = basesize * 3; + av_log(avctx, AV_LOG_INFO, "Image type is RGB 24.\n"); + break; + case IMGTYPE_YUV411: + c->decomp_size = basesize / 2 * 3; + av_log(avctx, AV_LOG_INFO, "Image type is YUV 4:1:1.\n"); + break; + case IMGTYPE_YUV211: + c->decomp_size = basesize * 2; + av_log(avctx, AV_LOG_INFO, "Image type is YUV 2:1:1.\n"); + break; + case IMGTYPE_YUV420: + c->decomp_size = basesize / 2 * 3; + av_log(avctx, AV_LOG_INFO, "Image type is YUV 4:2:0.\n"); + break; + default: + av_log(avctx, AV_LOG_ERROR, "Unsupported image format %d.\n", c->imgtype); + return 1; + } + + /* Detect compression method */ + c->compression = *((char *)avctx->extradata + 5); + switch (avctx->codec_id) { + case CODEC_ID_MSZH: + switch (c->compression) { + case COMP_MSZH: + av_log(avctx, AV_LOG_INFO, "Compression enabled.\n"); + break; + case COMP_MSZH_NOCOMP: + c->decomp_size = 0; + av_log(avctx, AV_LOG_INFO, "No compression.\n"); + break; + default: + av_log(avctx, AV_LOG_ERROR, "Unsupported compression format for MSZH (%d).\n", c->compression); + return 1; + } + break; + case CODEC_ID_ZLIB: +#ifdef CONFIG_ZLIB + switch (c->compression) { + case COMP_ZLIB_HISPEED: + av_log(avctx, AV_LOG_INFO, "High speed compression.\n"); + break; + case COMP_ZLIB_HICOMP: + av_log(avctx, AV_LOG_INFO, "High compression.\n"); + break; + case COMP_ZLIB_NORMAL: + av_log(avctx, AV_LOG_INFO, "Normal compression.\n"); + break; + default: + if ((c->compression < Z_NO_COMPRESSION) || (c->compression > Z_BEST_COMPRESSION)) { + av_log(avctx, AV_LOG_ERROR, "Unusupported compression level for ZLIB: (%d).\n", c->compression); + return 1; + } + av_log(avctx, AV_LOG_INFO, "Compression level for ZLIB: (%d).\n", c->compression); + } +#else + av_log(avctx, AV_LOG_ERROR, "Zlib support not compiled.\n"); + return 1; +#endif + break; + default: + av_log(avctx, AV_LOG_ERROR, "BUG! Unknown codec in compression switch.\n"); + return 1; + } + + /* Allocate decompression buffer */ + /* 4*8 max overflow space for mszh decomp algorithm */ + if (c->decomp_size) { + if ((c->decomp_buf = av_malloc(c->decomp_size+4*8)) == NULL) { + av_log(avctx, AV_LOG_ERROR, "Can't allocate decompression buffer.\n"); + return 1; + } + } + + /* Detect flags */ + c->flags = *((char *)avctx->extradata + 6); + if (c->flags & FLAG_MULTITHREAD) + av_log(avctx, AV_LOG_INFO, "Multithread encoder flag set.\n"); + if (c->flags & FLAG_NULLFRAME) + av_log(avctx, AV_LOG_INFO, "Nullframe insertion flag set.\n"); + if ((avctx->codec_id == CODEC_ID_ZLIB) && (c->flags & FLAG_PNGFILTER)) + av_log(avctx, AV_LOG_INFO, "PNG filter flag set.\n"); + if (c->flags & FLAGMASK_UNUSED) + av_log(avctx, AV_LOG_ERROR, "Unknown flag set (%d).\n", c->flags); + + /* If needed init zlib */ + if (avctx->codec_id == CODEC_ID_ZLIB) { +#ifdef CONFIG_ZLIB + c->zstream.zalloc = Z_NULL; + c->zstream.zfree = Z_NULL; + c->zstream.opaque = Z_NULL; + zret = inflateInit(&(c->zstream)); + if (zret != Z_OK) { + av_log(avctx, AV_LOG_ERROR, "Inflate init error: %d\n", zret); + return 1; + } +#else + av_log(avctx, AV_LOG_ERROR, "Zlib support not compiled.\n"); + return 1; +#endif + } + + avctx->pix_fmt = PIX_FMT_BGR24; + + return 0; +} + + + +/* + * + * Init lcl encoder + * + */ +static int encode_init(AVCodecContext *avctx) +{ + LclContext *c = avctx->priv_data; + int zret; // Zlib return code + +#ifndef CONFIG_ZLIB + av_log(avctx, AV_LOG_ERROR, "Zlib support not compiled.\n"); + return 1; +#else + + c->avctx= avctx; + + assert(avctx->width && avctx->height); + + avctx->extradata= av_mallocz(8); + avctx->coded_frame= &c->pic; + + // Will be user settable someday + c->compression = 6; + c->flags = 0; + + switch(avctx->pix_fmt){ + case PIX_FMT_BGR24: + c->imgtype = IMGTYPE_RGB24; + c->decomp_size = avctx->width * avctx->height * 3; + avctx->bits_per_sample= 24; + break; + default: + av_log(avctx, AV_LOG_ERROR, "Format %d not supported\n", avctx->pix_fmt); + return -1; + } + + ((uint8_t*)avctx->extradata)[0]= 4; + ((uint8_t*)avctx->extradata)[1]= 0; + ((uint8_t*)avctx->extradata)[2]= 0; + ((uint8_t*)avctx->extradata)[3]= 0; + ((uint8_t*)avctx->extradata)[4]= c->imgtype; + ((uint8_t*)avctx->extradata)[5]= c->compression; + ((uint8_t*)avctx->extradata)[6]= c->flags; + ((uint8_t*)avctx->extradata)[7]= 0; + c->avctx->extradata_size= 8; + + c->zstream.zalloc = Z_NULL; + c->zstream.zfree = Z_NULL; + c->zstream.opaque = Z_NULL; + zret = deflateInit(&(c->zstream), c->compression); + if (zret != Z_OK) { + av_log(avctx, AV_LOG_ERROR, "Deflate init error: %d\n", zret); + return 1; + } + + /* Conservative upper bound taken from zlib v1.2.1 source */ + c->max_comp_size = c->decomp_size + ((c->decomp_size + 7) >> 3) + + ((c->decomp_size + 63) >> 6) + 11; + if ((c->comp_buf = av_malloc(c->max_comp_size)) == NULL) { + av_log(avctx, AV_LOG_ERROR, "Can't allocate compression buffer.\n"); + return 1; + } + + return 0; +#endif +} + + + + + +/* + * + * Uninit lcl decoder + * + */ +static int decode_end(AVCodecContext *avctx) +{ + LclContext * const c = (LclContext *)avctx->priv_data; + + if (c->pic.data[0]) + avctx->release_buffer(avctx, &c->pic); +#ifdef CONFIG_ZLIB + inflateEnd(&(c->zstream)); +#endif + + return 0; +} + + + +/* + * + * Uninit lcl encoder + * + */ +static int encode_end(AVCodecContext *avctx) +{ + LclContext *c = avctx->priv_data; + + av_freep(&avctx->extradata); + av_freep(c->comp_buf); +#ifdef CONFIG_ZLIB + deflateEnd(&(c->zstream)); +#endif + + return 0; +} + +AVCodec mszh_decoder = { + "mszh", + CODEC_TYPE_VIDEO, + CODEC_ID_MSZH, + sizeof(LclContext), + decode_init, + NULL, + decode_end, + decode_frame, + CODEC_CAP_DR1, +}; + + +AVCodec zlib_decoder = { + "zlib", + CODEC_TYPE_VIDEO, + CODEC_ID_ZLIB, + sizeof(LclContext), + decode_init, + NULL, + decode_end, + decode_frame, + CODEC_CAP_DR1, +}; + +#ifdef CONFIG_ENCODERS + +AVCodec zlib_encoder = { + "zlib", + CODEC_TYPE_VIDEO, + CODEC_ID_ZLIB, + sizeof(LclContext), + encode_init, + encode_frame, + encode_end, +// .options = lcl_options, +}; + +#endif //CONFIG_ENCODERS diff --git a/src/add-ons/media/plugins/avcodec/libavcodec/vmdav.c b/src/add-ons/media/plugins/avcodec/libavcodec/vmdav.c new file mode 100644 index 0000000000..a5c7f450c2 --- /dev/null +++ b/src/add-ons/media/plugins/avcodec/libavcodec/vmdav.c @@ -0,0 +1,548 @@ +/* + * Sierra VMD Audio & Video Decoders + * Copyright (C) 2004 the ffmpeg project + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +/** + * @file vmdvideo.c + * Sierra VMD audio & video decoders + * by Vladimir "VAG" Gneushev (vagsoft at mail.ru) + * + * The video decoder outputs PAL8 colorspace data. The decoder expects + * a 0x330-byte VMD file header to be transmitted via extradata during + * codec initialization. Each encoded frame that is sent to this decoder + * is expected to be prepended with the appropriate 16-byte frame + * information record from the VMD file. + * + * The audio decoder, like the video decoder, expects each encoded data + * chunk to be prepended with the approriate 16-byte frame information + * record from the VMD file. It does not require the 0x330-byte VMD file + * header, but it does need the audio setup parameters passed in through + * normal libavcodec API means. + */ + +#include +#include +#include +#include + +#include "common.h" +#include "avcodec.h" +#include "dsputil.h" + +#define VMD_HEADER_SIZE 0x330 +#define PALETTE_COUNT 256 + +#define LE_16(x) ((((uint8_t*)(x))[1] << 8) | ((uint8_t*)(x))[0]) +#define LE_32(x) ((((uint8_t*)(x))[3] << 24) | \ + (((uint8_t*)(x))[2] << 16) | \ + (((uint8_t*)(x))[1] << 8) | \ + ((uint8_t*)(x))[0]) + +/* + * Video Decoder + */ + +typedef struct VmdVideoContext { + + AVCodecContext *avctx; + DSPContext dsp; + AVFrame frame; + AVFrame prev_frame; + + unsigned char *buf; + int size; + + unsigned char palette[PALETTE_COUNT * 4]; + unsigned char *unpack_buffer; + +} VmdVideoContext; + +#define QUEUE_SIZE 0x1000 +#define QUEUE_MASK 0x0FFF + +static void lz_unpack(unsigned char *src, unsigned char *dest) +{ + unsigned char *s; + unsigned char *d; + unsigned char queue[QUEUE_SIZE]; + unsigned int qpos; + unsigned int dataleft; + unsigned int chainofs; + unsigned int chainlen; + unsigned int speclen; + unsigned char tag; + unsigned int i, j; + + s = src; + d = dest; + dataleft = LE_32(s); + s += 4; + memset(queue, QUEUE_SIZE, 0x20); + if (LE_32(s) == 0x56781234) { + s += 4; + qpos = 0x111; + speclen = 0xF + 3; + } else { + qpos = 0xFEE; + speclen = 100; /* no speclen */ + } + + while (dataleft > 0) { + tag = *s++; + if ((tag == 0xFF) && (dataleft > 8)) { + for (i = 0; i < 8; i++) { + queue[qpos++] = *d++ = *s++; + qpos &= QUEUE_MASK; + } + dataleft -= 8; + } else { + for (i = 0; i < 8; i++) { + if (dataleft == 0) + break; + if (tag & 0x01) { + queue[qpos++] = *d++ = *s++; + qpos &= QUEUE_MASK; + dataleft--; + } else { + chainofs = *s++; + chainofs |= ((*s & 0xF0) << 4); + chainlen = (*s++ & 0x0F) + 3; + if (chainlen == speclen) + chainlen = *s++ + 0xF + 3; + for (j = 0; j < chainlen; j++) { + *d = queue[chainofs++ & QUEUE_MASK]; + queue[qpos++] = *d++; + qpos &= QUEUE_MASK; + } + dataleft -= chainlen; + } + tag >>= 1; + } + } + } +} + +static int rle_unpack(unsigned char *src, unsigned char *dest, int len) +{ + unsigned char *ps; + unsigned char *pd; + int i, l; + + ps = src; + pd = dest; + if (len & 1) + *pd++ = *ps++; + + len >>= 1; + i = 0; + do { + l = *ps++; + if (l & 0x80) { + l = (l & 0x7F) * 2; + memcpy(pd, ps, l); + ps += l; + pd += l; + } else { + for (i = 0; i < l; i++) { + *pd++ = ps[0]; + *pd++ = ps[1]; + } + ps += 2; + } + i += l; + } while (i < len); + + return (ps - src); +} + +static void vmd_decode(VmdVideoContext *s) +{ + int i; + unsigned int *palette32; + unsigned char r, g, b; + + /* point to the start of the encoded data */ + unsigned char *p = s->buf + 16; + + unsigned char *pb; + unsigned char meth; + unsigned char *dp; /* pointer to current frame */ + unsigned char *pp; /* pointer to previous frame */ + unsigned char len; + int ofs; + + int frame_x, frame_y; + int frame_width, frame_height; + + frame_x = LE_16(&s->buf[6]); + frame_y = LE_16(&s->buf[8]); + frame_width = LE_16(&s->buf[10]) - frame_x + 1; + frame_height = LE_16(&s->buf[12]) - frame_y + 1; + + /* if only a certain region will be updated, copy the entire previous + * frame before the decode */ + if (frame_x || frame_y || (frame_width != s->avctx->width) || + (frame_height != s->avctx->height)) { + + memcpy(s->frame.data[0], s->prev_frame.data[0], + s->avctx->height * s->frame.linesize[0]); + } + + /* check if there is a new palette */ + if (s->buf[15] & 0x02) { + p += 2; + palette32 = (unsigned int *)s->palette; + for (i = 0; i < PALETTE_COUNT; i++) { + r = *p++ * 4; + g = *p++ * 4; + b = *p++ * 4; + palette32[i] = (r << 16) | (g << 8) | (b); + } + s->size -= (256 * 3 + 2); + } + if (s->size >= 0) { + /* originally UnpackFrame in VAG's code */ + pb = p; + meth = *pb++; + if (meth & 0x80) { + lz_unpack(pb, s->unpack_buffer); + meth &= 0x7F; + pb = s->unpack_buffer; + } + + dp = &s->frame.data[0][frame_y * s->frame.linesize[0] + frame_x]; + pp = &s->prev_frame.data[0][frame_y * s->prev_frame.linesize[0] + frame_x]; + switch (meth) { + case 1: + for (i = 0; i < frame_height; i++) { + ofs = 0; + do { + len = *pb++; + if (len & 0x80) { + len = (len & 0x7F) + 1; + memcpy(&dp[ofs], pb, len); + pb += len; + ofs += len; + } else { + /* interframe pixel copy */ + memcpy(&dp[ofs], &pp[ofs], len + 1); + ofs += len + 1; + } + } while (ofs < frame_width); + if (ofs > frame_width) { + printf (" VMD video: offset > width (%d > %d)\n", + ofs, frame_width); + break; + } + dp += s->frame.linesize[0]; + pp += s->prev_frame.linesize[0]; + } + break; + + case 2: + for (i = 0; i < frame_height; i++) { + memcpy(dp, pb, frame_width); + pb += frame_width; + dp += s->frame.linesize[0]; + pp += s->prev_frame.linesize[0]; + } + break; + + case 3: + for (i = 0; i < frame_height; i++) { + ofs = 0; + do { + len = *pb++; + if (len & 0x80) { + len = (len & 0x7F) + 1; + if (*pb++ == 0xFF) + len = rle_unpack(pb, dp, len); + else + memcpy(&dp[ofs], pb, len); + pb += len; + ofs += len; + } else { + /* interframe pixel copy */ + memcpy(&dp[ofs], &pp[ofs], len + 1); + ofs += len + 1; + } + } while (ofs < frame_width); + if (ofs > frame_width) { + printf (" VMD video: offset > width (%d > %d)\n", + ofs, frame_width); + } + dp += s->frame.linesize[0]; + pp += s->prev_frame.linesize[0]; + } + break; + } + } +} + +static int vmdvideo_decode_init(AVCodecContext *avctx) +{ + VmdVideoContext *s = (VmdVideoContext *)avctx->priv_data; + int i; + unsigned int *palette32; + int palette_index = 0; + unsigned char r, g, b; + unsigned char *vmd_header; + unsigned char *raw_palette; + + s->avctx = avctx; + avctx->pix_fmt = PIX_FMT_PAL8; + avctx->has_b_frames = 0; + dsputil_init(&s->dsp, avctx); + + /* make sure the VMD header made it */ + if (s->avctx->extradata_size != VMD_HEADER_SIZE) { + printf(" VMD video: expected extradata size of %d\n", + VMD_HEADER_SIZE); + return -1; + } + vmd_header = (unsigned char *)avctx->extradata; + + s->unpack_buffer = av_malloc(LE_32(&vmd_header[800])); + if (!s->unpack_buffer) + return -1; + + /* load up the initial palette */ + raw_palette = &vmd_header[28]; + palette32 = (unsigned int *)s->palette; + for (i = 0; i < PALETTE_COUNT; i++) { + r = raw_palette[palette_index++] * 4; + g = raw_palette[palette_index++] * 4; + b = raw_palette[palette_index++] * 4; + palette32[i] = (r << 16) | (g << 8) | (b); + } + + s->frame.data[0] = s->prev_frame.data[0] = NULL; + + return 0; +} + +static int vmdvideo_decode_frame(AVCodecContext *avctx, + void *data, int *data_size, + uint8_t *buf, int buf_size) +{ + VmdVideoContext *s = (VmdVideoContext *)avctx->priv_data; + + s->buf = buf; + s->size = buf_size; + + s->frame.reference = 1; + if (avctx->get_buffer(avctx, &s->frame)) { + printf (" VMD Video: get_buffer() failed\n"); + return -1; + } + + vmd_decode(s); + + /* make the palette available on the way out */ + memcpy(s->frame.data[1], s->palette, PALETTE_COUNT * 4); + + if (s->prev_frame.data[0]) + avctx->release_buffer(avctx, &s->prev_frame); + + /* shuffle frames */ + s->prev_frame = s->frame; + + *data_size = sizeof(AVFrame); + *(AVFrame*)data = s->frame; + + /* report that the buffer was completely consumed */ + return buf_size; +} + +static int vmdvideo_decode_end(AVCodecContext *avctx) +{ + VmdVideoContext *s = (VmdVideoContext *)avctx->priv_data; + + if (s->prev_frame.data[0]) + avctx->release_buffer(avctx, &s->prev_frame); + av_free(s->unpack_buffer); + + return 0; +} + + +/* + * Audio Decoder + */ + +typedef struct VmdAudioContext { + int channels; + int bits; + int block_align; + unsigned char steps8[16]; + unsigned short steps16[16]; + unsigned short steps128[256]; + short predictors[2]; +} VmdAudioContext; + +static int vmdaudio_decode_init(AVCodecContext *avctx) +{ + VmdAudioContext *s = (VmdAudioContext *)avctx->priv_data; + int i; + + s->channels = avctx->channels; + s->bits = avctx->bits_per_sample; + s->block_align = avctx->block_align; + +printf (" %d channels, %d bits/sample, block align = %d\n", + s->channels, s->bits, s->block_align); + + /* set up the steps8 and steps16 tables */ + for (i = 0; i < 8; i++) { + if (i < 4) + s->steps8[i] = i; + else + s->steps8[i] = s->steps8[i - 1] + i - 1; + + if (i == 0) + s->steps16[i] = 0; + else if (i == 1) + s->steps16[i] = 4; + else if (i == 2) + s->steps16[i] = 16; + else + s->steps16[i] = 1 << (i + 4); + } + + /* set up the step128 table */ + s->steps128[0] = 0; + s->steps128[1] = 8; + for (i = 0x02; i <= 0x20; i++) + s->steps128[i] = (i - 1) << 4; + for (i = 0x21; i <= 0x60; i++) + s->steps128[i] = (i + 0x1F) << 3; + for (i = 0x61; i <= 0x70; i++) + s->steps128[i] = (i - 0x51) << 6; + for (i = 0x71; i <= 0x78; i++) + s->steps128[i] = (i - 0x69) << 8; + for (i = 0x79; i <= 0x7D; i++) + s->steps128[i] = (i - 0x75) << 10; + s->steps128[0x7E] = 0x3000; + s->steps128[0x7F] = 0x4000; + + /* set up the negative half of each table */ + for (i = 0; i < 8; i++) { + s->steps8[i + 8] = -s->steps8[i]; + s->steps16[i + 8] = -s->steps16[i]; + } + for (i = 0; i < 128; i++) + s->steps128[i + 128] = -s->steps128[i]; + + return 0; +} + +static void vmdaudio_decode_audio(VmdAudioContext *s, unsigned char *data, + uint8_t *buf, int ratio) { + +} + +static void vmdaudio_loadsound(VmdAudioContext *s, unsigned char *data, + uint8_t *buf, int silence) +{ + if (s->channels == 2) { + if ((s->block_align & 0x01) == 0) { + if (silence) + memset(data, 0, s->block_align * 2); + else + vmdaudio_decode_audio(s, data, buf, 1); + } else { + if (silence) + memset(data, 0, s->block_align * 2); +// else +// vmdaudio_decode_audio(s, data, buf, 1); + } + } else { + } +} + +static int vmdaudio_decode_frame(AVCodecContext *avctx, + void *data, int *data_size, + uint8_t *buf, int buf_size) +{ + VmdAudioContext *s = (VmdAudioContext *)avctx->priv_data; + unsigned int sound_flags; + unsigned char *output_samples = (unsigned char *)data; + + /* point to the start of the encoded data */ + unsigned char *p = buf + 16; + unsigned char *p_end = buf + buf_size; + + if (buf[6] == 1) { + /* the chunk contains audio */ + vmdaudio_loadsound(s, output_samples, p, 0); + } else if (buf[6] == 2) { + /* the chunk contains audio and silence mixed together */ + sound_flags = LE_32(p); + p += 4; + + /* do something with extrabufs here? */ + + while (p < p_end) { + if (sound_flags & 0x01) + /* audio */ + vmdaudio_loadsound(s, output_samples, p, 1); + else + /* silence */ + vmdaudio_loadsound(s, output_samples, p, 0); + p += s->block_align; + output_samples += (s->block_align * s->bits / 8); + sound_flags >>= 1; + } + } else if (buf[6] == 3) { + /* silent chunk */ + vmdaudio_loadsound(s, output_samples, p, 1); + } + + +// *datasize = ; + return buf_size; +} + + +/* + * Public Data Structures + */ + +AVCodec vmdvideo_decoder = { + "vmdvideo", + CODEC_TYPE_VIDEO, + CODEC_ID_VMDVIDEO, + sizeof(VmdVideoContext), + vmdvideo_decode_init, + NULL, + vmdvideo_decode_end, + vmdvideo_decode_frame, + CODEC_CAP_DR1, +}; + +AVCodec vmdaudio_decoder = { + "vmdaudio", + CODEC_TYPE_AUDIO, + CODEC_ID_VMDAUDIO, + sizeof(VmdAudioContext), + vmdaudio_decode_init, + NULL, + NULL, + vmdaudio_decode_frame, +};