* LCL (LossLess Codec Library) Codec
* Copyright (c) 2002-2004 Roberto Togni
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file libavcodec/lcldec.c
+ * @file
* LCL (LossLess Codec Library) Video Codec
* Decoder for MSZH and ZLIB codecs
* Experimental encoder for ZLIB RGB24
#include <stdio.h>
#include <stdlib.h>
+#include "libavutil/mem.h"
#include "avcodec.h"
-#include "get_bits.h"
+#include "bytestream.h"
+#include "internal.h"
#include "lcl.h"
#if CONFIG_ZLIB_DECODER
* Decoder context
*/
typedef struct LclDecContext {
- AVFrame pic;
-
// Image type
int imgtype;
// Compression type
} LclDecContext;
-static unsigned int mszh_decomp(unsigned char * srcptr, int srclen, unsigned char * destptr, unsigned int destsize)
+/**
+ * @param srcptr compressed source buffer, must be padded with at least 5 extra bytes
+ * @param destptr must be padded sufficiently for av_memcpy_backptr
+ */
+static unsigned int mszh_decomp(const unsigned char * srcptr, int srclen, unsigned char * destptr, unsigned int destsize)
{
unsigned char *destptr_bak = destptr;
unsigned char *destptr_end = destptr + destsize;
- unsigned char *srcptr_end = srcptr + srclen;
- unsigned char mask = 0;
- unsigned char maskbit = 0;
- unsigned int ofs, cnt;
+ const unsigned char *srcptr_end = srcptr + srclen;
+ unsigned mask = *srcptr++;
+ unsigned maskbit = 0x80;
while (srcptr < srcptr_end && destptr < destptr_end) {
- if (maskbit == 0) {
- mask = *srcptr++;
- maskbit = 8;
- continue;
- }
- if ((mask & (1 << (--maskbit))) == 0) {
- if (destptr_end - destptr < 4)
- break;
+ if (!(mask & maskbit)) {
memcpy(destptr, srcptr, 4);
destptr += 4;
srcptr += 4;
} else {
- ofs = *srcptr++;
- cnt = *srcptr++;
- ofs += cnt * 256;
- cnt = ((cnt >> 3) & 0x1f) + 1;
+ unsigned ofs = bytestream_get_le16(&srcptr);
+ unsigned cnt = (ofs >> 11) + 1;
ofs &= 0x7ff;
+ ofs = FFMIN(ofs, destptr - destptr_bak);
cnt *= 4;
- if (destptr_end - destptr < cnt) {
- cnt = destptr_end - destptr;
- }
- for (; cnt > 0; cnt--) {
- *destptr = *(destptr - ofs);
- destptr++;
+ cnt = FFMIN(cnt, destptr_end - destptr);
+ av_memcpy_backptr(destptr, ofs, cnt);
+ destptr += cnt;
+ }
+ maskbit >>= 1;
+ if (!maskbit) {
+ mask = *srcptr++;
+ while (!mask) {
+ if (destptr_end - destptr < 32 || srcptr_end - srcptr < 32) break;
+ memcpy(destptr, srcptr, 32);
+ destptr += 32;
+ srcptr += 32;
+ mask = *srcptr++;
}
+ maskbit = 0x80;
}
}
}
+#if CONFIG_ZLIB_DECODER
/**
- * \brief decompress a zlib-compressed data block into decomp_buf
- * \param src compressed input buffer
- * \param src_len data length in input buffer
- * \param offset offset in decomp_buf
- * \param expected expected decompressed length
+ * @brief decompress a zlib-compressed data block into decomp_buf
+ * @param src compressed input buffer
+ * @param src_len data length in input buffer
+ * @param offset offset in decomp_buf
+ * @param expected expected decompressed length
*/
static int zlib_decomp(AVCodecContext *avctx, const uint8_t *src, int src_len, int offset, int expected)
{
int zret = inflateReset(&c->zstream);
if (zret != Z_OK) {
av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", zret);
- return -1;
+ return AVERROR_UNKNOWN;
}
c->zstream.next_in = src;
c->zstream.avail_in = src_len;
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;
+ return AVERROR_UNKNOWN;
}
if (expected != (unsigned int)c->zstream.total_out) {
av_log(avctx, AV_LOG_ERROR, "Decoded size differs (%d != %lu)\n",
expected, c->zstream.total_out);
- return -1;
+ return AVERROR_UNKNOWN;
}
return c->zstream.total_out;
}
+#endif
/*
* Decode a frame
*
*/
-static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
+static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
{
+ AVFrame *frame = data;
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
LclDecContext * const c = avctx->priv_data;
- unsigned char *encoded = (unsigned char *)buf;
unsigned int pixel_ptr;
int row, col;
- unsigned char *outptr;
+ unsigned char *encoded, *outptr;
uint8_t *y_out, *u_out, *v_out;
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;
+ int uqvq, ret;
unsigned int mthread_inlen, mthread_outlen;
unsigned int len = buf_size;
- 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){
+ if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
- return -1;
+ return ret;
}
- outptr = c->pic.data[0]; // Output image pointer
+ outptr = frame->data[0]; // Output image pointer
/* Decompress frame */
switch (avctx->codec_id) {
- case CODEC_ID_MSZH:
+ case AV_CODEC_ID_MSZH:
switch (c->compression) {
case COMP_MSZH:
if (c->flags & FLAG_MULTITHREAD) {
- mthread_inlen = AV_RL32(encoded);
+ mthread_inlen = AV_RL32(buf);
mthread_inlen = FFMIN(mthread_inlen, len - 8);
- mthread_outlen = AV_RL32(encoded+4);
+ mthread_outlen = AV_RL32(buf + 4);
mthread_outlen = FFMIN(mthread_outlen, c->decomp_size);
- mszh_dlen = mszh_decomp(encoded + 8, mthread_inlen, c->decomp_buf, c->decomp_size);
+ mszh_dlen = mszh_decomp(buf + 8, mthread_inlen, c->decomp_buf, c->decomp_size);
if (mthread_outlen != mszh_dlen) {
av_log(avctx, AV_LOG_ERROR, "Mthread1 decoded size differs (%d != %d)\n",
mthread_outlen, mszh_dlen);
- return -1;
+ return AVERROR_INVALIDDATA;
}
- mszh_dlen = mszh_decomp(encoded + 8 + mthread_inlen, len - 8 - mthread_inlen,
+ mszh_dlen = mszh_decomp(buf + 8 + mthread_inlen, len - 8 - mthread_inlen,
c->decomp_buf + mthread_outlen, c->decomp_size - mthread_outlen);
if (mthread_outlen != mszh_dlen) {
av_log(avctx, AV_LOG_ERROR, "Mthread2 decoded size differs (%d != %d)\n",
mthread_outlen, mszh_dlen);
- return -1;
+ return AVERROR_INVALIDDATA;
}
encoded = c->decomp_buf;
len = c->decomp_size;
} else {
- mszh_dlen = mszh_decomp(encoded, len, c->decomp_buf, c->decomp_size);
+ mszh_dlen = mszh_decomp(buf, len, c->decomp_buf, c->decomp_size);
if (c->decomp_size != mszh_dlen) {
av_log(avctx, AV_LOG_ERROR, "Decoded size differs (%d != %d)\n",
c->decomp_size, mszh_dlen);
- return -1;
+ return AVERROR_INVALIDDATA;
}
encoded = c->decomp_buf;
len = mszh_dlen;
}
break;
- case COMP_MSZH_NOCOMP:
+ case COMP_MSZH_NOCOMP: {
+ int bppx2;
+ switch (c->imgtype) {
+ case IMGTYPE_YUV111:
+ case IMGTYPE_RGB24:
+ bppx2 = 6;
+ break;
+ case IMGTYPE_YUV422:
+ case IMGTYPE_YUV211:
+ bppx2 = 4;
+ break;
+ case IMGTYPE_YUV411:
+ case IMGTYPE_YUV420:
+ bppx2 = 3;
+ break;
+ default:
+ bppx2 = 0; // will error out below
+ break;
+ }
+ if (len < ((width * height * bppx2) >> 1))
+ return AVERROR_INVALIDDATA;
break;
+ }
default:
av_log(avctx, AV_LOG_ERROR, "BUG! Unknown MSZH compression in frame decoder.\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
break;
#if CONFIG_ZLIB_DECODER
- case CODEC_ID_ZLIB:
+ case AV_CODEC_ID_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;
- if (c->flags & FLAG_MULTITHREAD) {
- int ret;
- mthread_inlen = AV_RL32(encoded);
+ len == width * height * 3) {
+ if (c->flags & FLAG_PNGFILTER) {
+ memcpy(c->decomp_buf, buf, len);
+ encoded = c->decomp_buf;
+ } else {
+ break;
+ }
+ } else if (c->flags & FLAG_MULTITHREAD) {
+ mthread_inlen = AV_RL32(buf);
mthread_inlen = FFMIN(mthread_inlen, len - 8);
- mthread_outlen = AV_RL32(encoded+4);
+ mthread_outlen = AV_RL32(buf + 4);
mthread_outlen = FFMIN(mthread_outlen, c->decomp_size);
- ret = zlib_decomp(avctx, encoded + 8, mthread_inlen, 0, mthread_outlen);
+ ret = zlib_decomp(avctx, buf + 8, mthread_inlen, 0, mthread_outlen);
if (ret < 0) return ret;
- ret = zlib_decomp(avctx, encoded + 8 + mthread_inlen, len - 8 - mthread_inlen,
+ ret = zlib_decomp(avctx, buf + 8 + mthread_inlen, len - 8 - mthread_inlen,
mthread_outlen, mthread_outlen);
if (ret < 0) return ret;
} else {
- int ret = zlib_decomp(avctx, encoded, len, 0, c->decomp_size);
+ int ret = zlib_decomp(avctx, buf, len, 0, c->decomp_size);
if (ret < 0) return ret;
}
encoded = c->decomp_buf;
#endif
default:
av_log(avctx, AV_LOG_ERROR, "BUG! Unknown codec in frame decoder compression switch.\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
/* Apply PNG filter */
- if (avctx->codec_id == CODEC_ID_ZLIB && (c->flags & FLAG_PNGFILTER)) {
+ if (avctx->codec_id == AV_CODEC_ID_ZLIB && (c->flags & FLAG_PNGFILTER)) {
switch (c->imgtype) {
case IMGTYPE_YUV111:
case IMGTYPE_RGB24:
break;
default:
av_log(avctx, AV_LOG_ERROR, "BUG! Unknown imagetype in pngfilter switch.\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
}
/* Convert colorspace */
- y_out = c->pic.data[0] + (height - 1) * c->pic.linesize[0];
- u_out = c->pic.data[1] + (height - 1) * c->pic.linesize[1];
- v_out = c->pic.data[2] + (height - 1) * c->pic.linesize[2];
+ y_out = frame->data[0] + (height - 1) * frame->linesize[0];
+ u_out = frame->data[1] + (height - 1) * frame->linesize[1];
+ v_out = frame->data[2] + (height - 1) * frame->linesize[2];
switch (c->imgtype) {
case IMGTYPE_YUV111:
for (row = 0; row < height; row++) {
u_out[col] = *encoded++ + 128;
v_out[col] = *encoded++ + 128;
}
- y_out -= c->pic.linesize[0];
- u_out -= c->pic.linesize[1];
- v_out -= c->pic.linesize[2];
+ y_out -= frame->linesize[0];
+ u_out -= frame->linesize[1];
+ v_out -= frame->linesize[2];
}
break;
case IMGTYPE_YUV422:
v_out[ col >> 1 ] = *encoded++ + 128;
v_out[(col >> 1) + 1] = *encoded++ + 128;
}
- y_out -= c->pic.linesize[0];
- u_out -= c->pic.linesize[1];
- v_out -= c->pic.linesize[2];
+ y_out -= frame->linesize[0];
+ u_out -= frame->linesize[1];
+ v_out -= frame->linesize[2];
}
break;
case IMGTYPE_RGB24:
for (row = height - 1; row >= 0; row--) {
- pixel_ptr = row * c->pic.linesize[0];
+ pixel_ptr = row * frame->linesize[0];
memcpy(outptr + pixel_ptr, encoded, 3 * width);
encoded += 3 * width;
}
u_out[col >> 2] = *encoded++ + 128;
v_out[col >> 2] = *encoded++ + 128;
}
- y_out -= c->pic.linesize[0];
- u_out -= c->pic.linesize[1];
- v_out -= c->pic.linesize[2];
+ y_out -= frame->linesize[0];
+ u_out -= frame->linesize[1];
+ v_out -= frame->linesize[2];
}
break;
case IMGTYPE_YUV211:
u_out[col >> 1] = *encoded++ + 128;
v_out[col >> 1] = *encoded++ + 128;
}
- y_out -= c->pic.linesize[0];
- u_out -= c->pic.linesize[1];
- v_out -= c->pic.linesize[2];
+ y_out -= frame->linesize[0];
+ u_out -= frame->linesize[1];
+ v_out -= frame->linesize[2];
}
break;
case IMGTYPE_YUV420:
- u_out = c->pic.data[1] + ((height >> 1) - 1) * c->pic.linesize[1];
- v_out = c->pic.data[2] + ((height >> 1) - 1) * c->pic.linesize[2];
+ u_out = frame->data[1] + ((height >> 1) - 1) * frame->linesize[1];
+ v_out = frame->data[2] + ((height >> 1) - 1) * frame->linesize[2];
for (row = 0; row < height - 1; row += 2) {
for (col = 0; col < width - 1; col += 2) {
memcpy(y_out + col, encoded, 2);
encoded += 2;
- memcpy(y_out + col - c->pic.linesize[0], encoded, 2);
+ memcpy(y_out + col - frame->linesize[0], encoded, 2);
encoded += 2;
u_out[col >> 1] = *encoded++ + 128;
v_out[col >> 1] = *encoded++ + 128;
}
- y_out -= c->pic.linesize[0] << 1;
- u_out -= c->pic.linesize[1];
- v_out -= c->pic.linesize[2];
+ y_out -= frame->linesize[0] << 1;
+ u_out -= frame->linesize[1];
+ v_out -= frame->linesize[2];
}
break;
default:
av_log(avctx, AV_LOG_ERROR, "BUG! Unknown imagetype in image decoder.\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
- *data_size = sizeof(AVFrame);
- *(AVFrame*)data = c->pic;
+ *got_frame = 1;
/* always report that the buffer was completely consumed */
return buf_size;
{
LclDecContext * const c = avctx->priv_data;
unsigned int basesize = avctx->width * avctx->height;
- unsigned int max_basesize = FFALIGN(avctx->width, 4) * FFALIGN(avctx->height, 4);
+ unsigned int max_basesize = FFALIGN(avctx->width, 4) *
+ FFALIGN(avctx->height, 4);
unsigned int max_decomp_size;
- c->pic.data[0] = NULL;
-
-#if CONFIG_ZLIB_DECODER
- // 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;
- }
-
- if (avcodec_check_dimensions(avctx, avctx->width, avctx->height) < 0) {
- return 1;
+ return AVERROR_INVALIDDATA;
}
/* Check codec type */
- if ((avctx->codec_id == CODEC_ID_MSZH && avctx->extradata[7] != CODEC_MSZH) ||
- (avctx->codec_id == CODEC_ID_ZLIB && avctx->extradata[7] != CODEC_ZLIB)) {
+ if ((avctx->codec_id == AV_CODEC_ID_MSZH && avctx->extradata[7] != CODEC_MSZH) ||
+ (avctx->codec_id == AV_CODEC_ID_ZLIB && avctx->extradata[7] != CODEC_ZLIB)) {
av_log(avctx, AV_LOG_ERROR, "Codec id and codec type mismatch. This should not happen.\n");
}
case IMGTYPE_YUV111:
c->decomp_size = basesize * 3;
max_decomp_size = max_basesize * 3;
- avctx->pix_fmt = PIX_FMT_YUV444P;
+ avctx->pix_fmt = AV_PIX_FMT_YUV444P;
av_log(avctx, AV_LOG_DEBUG, "Image type is YUV 1:1:1.\n");
break;
case IMGTYPE_YUV422:
c->decomp_size = basesize * 2;
max_decomp_size = max_basesize * 2;
- avctx->pix_fmt = PIX_FMT_YUV422P;
+ avctx->pix_fmt = AV_PIX_FMT_YUV422P;
av_log(avctx, AV_LOG_DEBUG, "Image type is YUV 4:2:2.\n");
break;
case IMGTYPE_RGB24:
c->decomp_size = basesize * 3;
max_decomp_size = max_basesize * 3;
- avctx->pix_fmt = PIX_FMT_BGR24;
+ avctx->pix_fmt = AV_PIX_FMT_BGR24;
av_log(avctx, AV_LOG_DEBUG, "Image type is RGB 24.\n");
break;
case IMGTYPE_YUV411:
c->decomp_size = basesize / 2 * 3;
max_decomp_size = max_basesize / 2 * 3;
- avctx->pix_fmt = PIX_FMT_YUV411P;
+ avctx->pix_fmt = AV_PIX_FMT_YUV411P;
av_log(avctx, AV_LOG_DEBUG, "Image type is YUV 4:1:1.\n");
break;
case IMGTYPE_YUV211:
c->decomp_size = basesize * 2;
max_decomp_size = max_basesize * 2;
- avctx->pix_fmt = PIX_FMT_YUV422P;
+ avctx->pix_fmt = AV_PIX_FMT_YUV422P;
av_log(avctx, AV_LOG_DEBUG, "Image type is YUV 2:1:1.\n");
break;
case IMGTYPE_YUV420:
c->decomp_size = basesize / 2 * 3;
max_decomp_size = max_basesize / 2 * 3;
- avctx->pix_fmt = PIX_FMT_YUV420P;
+ avctx->pix_fmt = AV_PIX_FMT_YUV420P;
av_log(avctx, AV_LOG_DEBUG, "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;
+ return AVERROR_INVALIDDATA;
}
/* Detect compression method */
- c->compression = avctx->extradata[5];
+ c->compression = (int8_t)avctx->extradata[5];
switch (avctx->codec_id) {
- case CODEC_ID_MSZH:
+ case AV_CODEC_ID_MSZH:
switch (c->compression) {
case COMP_MSZH:
av_log(avctx, AV_LOG_DEBUG, "Compression enabled.\n");
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unsupported compression format for MSZH (%d).\n", c->compression);
- return 1;
+ return AVERROR_INVALIDDATA;
}
break;
#if CONFIG_ZLIB_DECODER
- case CODEC_ID_ZLIB:
+ case AV_CODEC_ID_ZLIB:
switch (c->compression) {
case COMP_ZLIB_HISPEED:
av_log(avctx, AV_LOG_DEBUG, "High speed compression.\n");
default:
if (c->compression < Z_NO_COMPRESSION || c->compression > Z_BEST_COMPRESSION) {
av_log(avctx, AV_LOG_ERROR, "Unsupported compression level for ZLIB: (%d).\n", c->compression);
- return 1;
+ return AVERROR_INVALIDDATA;
}
av_log(avctx, AV_LOG_DEBUG, "Compression level for ZLIB: (%d).\n", c->compression);
}
#endif
default:
av_log(avctx, AV_LOG_ERROR, "BUG! Unknown codec in compression switch.\n");
- return 1;
+ return AVERROR_INVALIDDATA;
}
/* Allocate decompression buffer */
if (c->decomp_size) {
- if ((c->decomp_buf = av_malloc(max_decomp_size)) == NULL) {
+ if (!(c->decomp_buf = av_malloc(max_decomp_size))) {
av_log(avctx, AV_LOG_ERROR, "Can't allocate decompression buffer.\n");
- return 1;
+ return AVERROR(ENOMEM);
}
}
av_log(avctx, AV_LOG_DEBUG, "Multithread encoder flag set.\n");
if (c->flags & FLAG_NULLFRAME)
av_log(avctx, AV_LOG_DEBUG, "Nullframe insertion flag set.\n");
- if (avctx->codec_id == CODEC_ID_ZLIB && (c->flags & FLAG_PNGFILTER))
+ if (avctx->codec_id == AV_CODEC_ID_ZLIB && (c->flags & FLAG_PNGFILTER))
av_log(avctx, AV_LOG_DEBUG, "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 CONFIG_ZLIB_DECODER
- if (avctx->codec_id == CODEC_ID_ZLIB) {
+ if (avctx->codec_id == AV_CODEC_ID_ZLIB) {
int zret;
c->zstream.zalloc = Z_NULL;
c->zstream.zfree = Z_NULL;
zret = inflateInit(&c->zstream);
if (zret != Z_OK) {
av_log(avctx, AV_LOG_ERROR, "Inflate init error: %d\n", zret);
- return 1;
+ av_freep(&c->decomp_buf);
+ return AVERROR_UNKNOWN;
}
}
#endif
{
LclDecContext * const c = avctx->priv_data;
- if (c->pic.data[0])
- avctx->release_buffer(avctx, &c->pic);
+ av_freep(&c->decomp_buf);
#if CONFIG_ZLIB_DECODER
- inflateEnd(&c->zstream);
+ if (avctx->codec_id == AV_CODEC_ID_ZLIB)
+ inflateEnd(&c->zstream);
#endif
return 0;
}
#if CONFIG_MSZH_DECODER
-AVCodec mszh_decoder = {
- "mszh",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MSZH,
- sizeof(LclDecContext),
- decode_init,
- NULL,
- decode_end,
- decode_frame,
- CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("LCL (LossLess Codec Library) MSZH"),
+AVCodec ff_mszh_decoder = {
+ .name = "mszh",
+ .long_name = NULL_IF_CONFIG_SMALL("LCL (LossLess Codec Library) MSZH"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_MSZH,
+ .priv_data_size = sizeof(LclDecContext),
+ .init = decode_init,
+ .close = decode_end,
+ .decode = decode_frame,
+ .capabilities = CODEC_CAP_DR1,
};
#endif
#if CONFIG_ZLIB_DECODER
-AVCodec zlib_decoder = {
- "zlib",
- CODEC_TYPE_VIDEO,
- CODEC_ID_ZLIB,
- sizeof(LclDecContext),
- decode_init,
- NULL,
- decode_end,
- decode_frame,
- CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("LCL (LossLess Codec Library) ZLIB"),
+AVCodec ff_zlib_decoder = {
+ .name = "zlib",
+ .long_name = NULL_IF_CONFIG_SMALL("LCL (LossLess Codec Library) ZLIB"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_ZLIB,
+ .priv_data_size = sizeof(LclDecContext),
+ .init = decode_init,
+ .close = decode_end,
+ .decode = decode_frame,
+ .capabilities = CODEC_CAP_DR1,
};
#endif
projects / ffmpeg / blobdiff