mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
665 lines
19 KiB
665 lines
19 KiB
/* |
|
* Zip Motion Blocks Video (ZMBV) decoder |
|
* Copyright (c) 2006 Konstantin Shishkov |
|
* |
|
* This file is part of Libav. |
|
* |
|
* 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. |
|
* |
|
* 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 Libav; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
/** |
|
* @file |
|
* Zip Motion Blocks Video decoder |
|
*/ |
|
|
|
#include <stdio.h> |
|
#include <stdlib.h> |
|
|
|
#include "libavutil/intreadwrite.h" |
|
#include "avcodec.h" |
|
|
|
#include <zlib.h> |
|
|
|
#define ZMBV_KEYFRAME 1 |
|
#define ZMBV_DELTAPAL 2 |
|
|
|
enum ZmbvFormat { |
|
ZMBV_FMT_NONE = 0, |
|
ZMBV_FMT_1BPP = 1, |
|
ZMBV_FMT_2BPP = 2, |
|
ZMBV_FMT_4BPP = 3, |
|
ZMBV_FMT_8BPP = 4, |
|
ZMBV_FMT_15BPP = 5, |
|
ZMBV_FMT_16BPP = 6, |
|
ZMBV_FMT_24BPP = 7, |
|
ZMBV_FMT_32BPP = 8 |
|
}; |
|
|
|
/* |
|
* Decoder context |
|
*/ |
|
typedef struct ZmbvContext { |
|
AVCodecContext *avctx; |
|
AVFrame pic; |
|
|
|
int bpp; |
|
unsigned int decomp_size; |
|
uint8_t* decomp_buf; |
|
uint8_t pal[768]; |
|
uint8_t *prev, *cur; |
|
int width, height; |
|
int fmt; |
|
int comp; |
|
int flags; |
|
int bw, bh, bx, by; |
|
int decomp_len; |
|
z_stream zstream; |
|
int (*decode_intra)(struct ZmbvContext *c); |
|
int (*decode_xor)(struct ZmbvContext *c); |
|
} ZmbvContext; |
|
|
|
/** |
|
* Decode XOR'ed frame - 8bpp version |
|
*/ |
|
|
|
static int zmbv_decode_xor_8(ZmbvContext *c) |
|
{ |
|
uint8_t *src = c->decomp_buf; |
|
uint8_t *output, *prev; |
|
int8_t *mvec; |
|
int x, y; |
|
int d, dx, dy, bw2, bh2; |
|
int block; |
|
int i, j; |
|
int mx, my; |
|
|
|
output = c->cur; |
|
prev = c->prev; |
|
|
|
if(c->flags & ZMBV_DELTAPAL){ |
|
for(i = 0; i < 768; i++) |
|
c->pal[i] ^= *src++; |
|
} |
|
|
|
mvec = (int8_t*)src; |
|
src += ((c->bx * c->by * 2 + 3) & ~3); |
|
|
|
block = 0; |
|
for(y = 0; y < c->height; y += c->bh) { |
|
bh2 = ((c->height - y) > c->bh) ? c->bh : (c->height - y); |
|
for(x = 0; x < c->width; x += c->bw) { |
|
uint8_t *out, *tprev; |
|
|
|
d = mvec[block] & 1; |
|
dx = mvec[block] >> 1; |
|
dy = mvec[block + 1] >> 1; |
|
block += 2; |
|
|
|
bw2 = ((c->width - x) > c->bw) ? c->bw : (c->width - x); |
|
|
|
/* copy block - motion vectors out of bounds are used to zero blocks */ |
|
out = output + x; |
|
tprev = prev + x + dx + dy * c->width; |
|
mx = x + dx; |
|
my = y + dy; |
|
for(j = 0; j < bh2; j++){ |
|
if((my + j < 0) || (my + j >= c->height)) { |
|
memset(out, 0, bw2); |
|
} else { |
|
for(i = 0; i < bw2; i++){ |
|
if((mx + i < 0) || (mx + i >= c->width)) |
|
out[i] = 0; |
|
else |
|
out[i] = tprev[i]; |
|
} |
|
} |
|
out += c->width; |
|
tprev += c->width; |
|
} |
|
|
|
if(d) { /* apply XOR'ed difference */ |
|
out = output + x; |
|
for(j = 0; j < bh2; j++){ |
|
for(i = 0; i < bw2; i++) |
|
out[i] ^= *src++; |
|
out += c->width; |
|
} |
|
} |
|
} |
|
output += c->width * c->bh; |
|
prev += c->width * c->bh; |
|
} |
|
if(src - c->decomp_buf != c->decomp_len) |
|
av_log(c->avctx, AV_LOG_ERROR, "Used %ti of %i bytes\n", src-c->decomp_buf, c->decomp_len); |
|
return 0; |
|
} |
|
|
|
/** |
|
* Decode XOR'ed frame - 15bpp and 16bpp version |
|
*/ |
|
|
|
static int zmbv_decode_xor_16(ZmbvContext *c) |
|
{ |
|
uint8_t *src = c->decomp_buf; |
|
uint16_t *output, *prev; |
|
int8_t *mvec; |
|
int x, y; |
|
int d, dx, dy, bw2, bh2; |
|
int block; |
|
int i, j; |
|
int mx, my; |
|
|
|
output = (uint16_t*)c->cur; |
|
prev = (uint16_t*)c->prev; |
|
|
|
mvec = (int8_t*)src; |
|
src += ((c->bx * c->by * 2 + 3) & ~3); |
|
|
|
block = 0; |
|
for(y = 0; y < c->height; y += c->bh) { |
|
bh2 = ((c->height - y) > c->bh) ? c->bh : (c->height - y); |
|
for(x = 0; x < c->width; x += c->bw) { |
|
uint16_t *out, *tprev; |
|
|
|
d = mvec[block] & 1; |
|
dx = mvec[block] >> 1; |
|
dy = mvec[block + 1] >> 1; |
|
block += 2; |
|
|
|
bw2 = ((c->width - x) > c->bw) ? c->bw : (c->width - x); |
|
|
|
/* copy block - motion vectors out of bounds are used to zero blocks */ |
|
out = output + x; |
|
tprev = prev + x + dx + dy * c->width; |
|
mx = x + dx; |
|
my = y + dy; |
|
for(j = 0; j < bh2; j++){ |
|
if((my + j < 0) || (my + j >= c->height)) { |
|
memset(out, 0, bw2 * 2); |
|
} else { |
|
for(i = 0; i < bw2; i++){ |
|
if((mx + i < 0) || (mx + i >= c->width)) |
|
out[i] = 0; |
|
else |
|
out[i] = tprev[i]; |
|
} |
|
} |
|
out += c->width; |
|
tprev += c->width; |
|
} |
|
|
|
if(d) { /* apply XOR'ed difference */ |
|
out = output + x; |
|
for(j = 0; j < bh2; j++){ |
|
for(i = 0; i < bw2; i++) { |
|
out[i] ^= *((uint16_t*)src); |
|
src += 2; |
|
} |
|
out += c->width; |
|
} |
|
} |
|
} |
|
output += c->width * c->bh; |
|
prev += c->width * c->bh; |
|
} |
|
if(src - c->decomp_buf != c->decomp_len) |
|
av_log(c->avctx, AV_LOG_ERROR, "Used %ti of %i bytes\n", src-c->decomp_buf, c->decomp_len); |
|
return 0; |
|
} |
|
|
|
#ifdef ZMBV_ENABLE_24BPP |
|
/** |
|
* Decode XOR'ed frame - 24bpp version |
|
*/ |
|
|
|
static int zmbv_decode_xor_24(ZmbvContext *c) |
|
{ |
|
uint8_t *src = c->decomp_buf; |
|
uint8_t *output, *prev; |
|
int8_t *mvec; |
|
int x, y; |
|
int d, dx, dy, bw2, bh2; |
|
int block; |
|
int i, j; |
|
int mx, my; |
|
int stride; |
|
|
|
output = c->cur; |
|
prev = c->prev; |
|
|
|
stride = c->width * 3; |
|
mvec = (int8_t*)src; |
|
src += ((c->bx * c->by * 2 + 3) & ~3); |
|
|
|
block = 0; |
|
for(y = 0; y < c->height; y += c->bh) { |
|
bh2 = ((c->height - y) > c->bh) ? c->bh : (c->height - y); |
|
for(x = 0; x < c->width; x += c->bw) { |
|
uint8_t *out, *tprev; |
|
|
|
d = mvec[block] & 1; |
|
dx = mvec[block] >> 1; |
|
dy = mvec[block + 1] >> 1; |
|
block += 2; |
|
|
|
bw2 = ((c->width - x) > c->bw) ? c->bw : (c->width - x); |
|
|
|
/* copy block - motion vectors out of bounds are used to zero blocks */ |
|
out = output + x * 3; |
|
tprev = prev + (x + dx) * 3 + dy * stride; |
|
mx = x + dx; |
|
my = y + dy; |
|
for(j = 0; j < bh2; j++){ |
|
if((my + j < 0) || (my + j >= c->height)) { |
|
memset(out, 0, bw2 * 3); |
|
} else { |
|
for(i = 0; i < bw2; i++){ |
|
if((mx + i < 0) || (mx + i >= c->width)) { |
|
out[i * 3 + 0] = 0; |
|
out[i * 3 + 1] = 0; |
|
out[i * 3 + 2] = 0; |
|
} else { |
|
out[i * 3 + 0] = tprev[i * 3 + 0]; |
|
out[i * 3 + 1] = tprev[i * 3 + 1]; |
|
out[i * 3 + 2] = tprev[i * 3 + 2]; |
|
} |
|
} |
|
} |
|
out += stride; |
|
tprev += stride; |
|
} |
|
|
|
if(d) { /* apply XOR'ed difference */ |
|
out = output + x * 3; |
|
for(j = 0; j < bh2; j++){ |
|
for(i = 0; i < bw2; i++) { |
|
out[i * 3 + 0] ^= *src++; |
|
out[i * 3 + 1] ^= *src++; |
|
out[i * 3 + 2] ^= *src++; |
|
} |
|
out += stride; |
|
} |
|
} |
|
} |
|
output += stride * c->bh; |
|
prev += stride * c->bh; |
|
} |
|
if(src - c->decomp_buf != c->decomp_len) |
|
av_log(c->avctx, AV_LOG_ERROR, "Used %i of %i bytes\n", src-c->decomp_buf, c->decomp_len); |
|
return 0; |
|
} |
|
#endif //ZMBV_ENABLE_24BPP |
|
|
|
/** |
|
* Decode XOR'ed frame - 32bpp version |
|
*/ |
|
|
|
static int zmbv_decode_xor_32(ZmbvContext *c) |
|
{ |
|
uint8_t *src = c->decomp_buf; |
|
uint32_t *output, *prev; |
|
int8_t *mvec; |
|
int x, y; |
|
int d, dx, dy, bw2, bh2; |
|
int block; |
|
int i, j; |
|
int mx, my; |
|
|
|
output = (uint32_t*)c->cur; |
|
prev = (uint32_t*)c->prev; |
|
|
|
mvec = (int8_t*)src; |
|
src += ((c->bx * c->by * 2 + 3) & ~3); |
|
|
|
block = 0; |
|
for(y = 0; y < c->height; y += c->bh) { |
|
bh2 = ((c->height - y) > c->bh) ? c->bh : (c->height - y); |
|
for(x = 0; x < c->width; x += c->bw) { |
|
uint32_t *out, *tprev; |
|
|
|
d = mvec[block] & 1; |
|
dx = mvec[block] >> 1; |
|
dy = mvec[block + 1] >> 1; |
|
block += 2; |
|
|
|
bw2 = ((c->width - x) > c->bw) ? c->bw : (c->width - x); |
|
|
|
/* copy block - motion vectors out of bounds are used to zero blocks */ |
|
out = output + x; |
|
tprev = prev + x + dx + dy * c->width; |
|
mx = x + dx; |
|
my = y + dy; |
|
for(j = 0; j < bh2; j++){ |
|
if((my + j < 0) || (my + j >= c->height)) { |
|
memset(out, 0, bw2 * 4); |
|
} else { |
|
for(i = 0; i < bw2; i++){ |
|
if((mx + i < 0) || (mx + i >= c->width)) |
|
out[i] = 0; |
|
else |
|
out[i] = tprev[i]; |
|
} |
|
} |
|
out += c->width; |
|
tprev += c->width; |
|
} |
|
|
|
if(d) { /* apply XOR'ed difference */ |
|
out = output + x; |
|
for(j = 0; j < bh2; j++){ |
|
for(i = 0; i < bw2; i++) { |
|
out[i] ^= *((uint32_t*)src); |
|
src += 4; |
|
} |
|
out += c->width; |
|
} |
|
} |
|
} |
|
output += c->width * c->bh; |
|
prev += c->width * c->bh; |
|
} |
|
if(src - c->decomp_buf != c->decomp_len) |
|
av_log(c->avctx, AV_LOG_ERROR, "Used %ti of %i bytes\n", src-c->decomp_buf, c->decomp_len); |
|
return 0; |
|
} |
|
|
|
/** |
|
* Decode intraframe |
|
*/ |
|
static int zmbv_decode_intra(ZmbvContext *c) |
|
{ |
|
uint8_t *src = c->decomp_buf; |
|
|
|
/* make the palette available on the way out */ |
|
if (c->fmt == ZMBV_FMT_8BPP) { |
|
memcpy(c->pal, src, 768); |
|
src += 768; |
|
} |
|
|
|
memcpy(c->cur, src, c->width * c->height * (c->bpp / 8)); |
|
return 0; |
|
} |
|
|
|
static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt) |
|
{ |
|
const uint8_t *buf = avpkt->data; |
|
int buf_size = avpkt->size; |
|
ZmbvContext * const c = avctx->priv_data; |
|
int zret = Z_OK; // Zlib return code |
|
int len = buf_size; |
|
int hi_ver, lo_ver; |
|
|
|
if(c->pic.data[0]) |
|
avctx->release_buffer(avctx, &c->pic); |
|
|
|
c->pic.reference = 1; |
|
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; |
|
} |
|
|
|
/* parse header */ |
|
c->flags = buf[0]; |
|
buf++; len--; |
|
if(c->flags & ZMBV_KEYFRAME) { |
|
hi_ver = buf[0]; |
|
lo_ver = buf[1]; |
|
c->comp = buf[2]; |
|
c->fmt = buf[3]; |
|
c->bw = buf[4]; |
|
c->bh = buf[5]; |
|
|
|
buf += 6; |
|
len -= 6; |
|
av_log(avctx, AV_LOG_DEBUG, "Flags=%X ver=%i.%i comp=%i fmt=%i blk=%ix%i\n",c->flags,hi_ver,lo_ver,c->comp,c->fmt,c->bw,c->bh); |
|
if(hi_ver != 0 || lo_ver != 1) { |
|
av_log(avctx, AV_LOG_ERROR, "Unsupported version %i.%i\n", hi_ver, lo_ver); |
|
return -1; |
|
} |
|
if(c->bw == 0 || c->bh == 0) { |
|
av_log(avctx, AV_LOG_ERROR, "Unsupported block size %ix%i\n", c->bw, c->bh); |
|
return -1; |
|
} |
|
if(c->comp != 0 && c->comp != 1) { |
|
av_log(avctx, AV_LOG_ERROR, "Unsupported compression type %i\n", c->comp); |
|
return -1; |
|
} |
|
|
|
switch(c->fmt) { |
|
case ZMBV_FMT_8BPP: |
|
c->bpp = 8; |
|
c->decode_intra = zmbv_decode_intra; |
|
c->decode_xor = zmbv_decode_xor_8; |
|
break; |
|
case ZMBV_FMT_15BPP: |
|
case ZMBV_FMT_16BPP: |
|
c->bpp = 16; |
|
c->decode_intra = zmbv_decode_intra; |
|
c->decode_xor = zmbv_decode_xor_16; |
|
break; |
|
#ifdef ZMBV_ENABLE_24BPP |
|
case ZMBV_FMT_24BPP: |
|
c->bpp = 24; |
|
c->decode_intra = zmbv_decode_intra; |
|
c->decode_xor = zmbv_decode_xor_24; |
|
break; |
|
#endif //ZMBV_ENABLE_24BPP |
|
case ZMBV_FMT_32BPP: |
|
c->bpp = 32; |
|
c->decode_intra = zmbv_decode_intra; |
|
c->decode_xor = zmbv_decode_xor_32; |
|
break; |
|
default: |
|
c->decode_intra = NULL; |
|
c->decode_xor = NULL; |
|
av_log(avctx, AV_LOG_ERROR, "Unsupported (for now) format %i\n", c->fmt); |
|
return -1; |
|
} |
|
|
|
zret = inflateReset(&c->zstream); |
|
if (zret != Z_OK) { |
|
av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", zret); |
|
return -1; |
|
} |
|
|
|
c->cur = av_realloc(c->cur, avctx->width * avctx->height * (c->bpp / 8)); |
|
c->prev = av_realloc(c->prev, avctx->width * avctx->height * (c->bpp / 8)); |
|
c->bx = (c->width + c->bw - 1) / c->bw; |
|
c->by = (c->height+ c->bh - 1) / c->bh; |
|
} |
|
|
|
if(c->decode_intra == NULL) { |
|
av_log(avctx, AV_LOG_ERROR, "Error! Got no format or no keyframe!\n"); |
|
return -1; |
|
} |
|
|
|
if(c->comp == 0) { //Uncompressed data |
|
memcpy(c->decomp_buf, buf, len); |
|
c->decomp_size = 1; |
|
} else { // ZLIB-compressed data |
|
c->zstream.total_in = c->zstream.total_out = 0; |
|
c->zstream.next_in = buf; |
|
c->zstream.avail_in = len; |
|
c->zstream.next_out = c->decomp_buf; |
|
c->zstream.avail_out = c->decomp_size; |
|
inflate(&c->zstream, Z_FINISH); |
|
c->decomp_len = c->zstream.total_out; |
|
} |
|
if(c->flags & ZMBV_KEYFRAME) { |
|
c->pic.key_frame = 1; |
|
c->pic.pict_type = FF_I_TYPE; |
|
c->decode_intra(c); |
|
} else { |
|
c->pic.key_frame = 0; |
|
c->pic.pict_type = FF_P_TYPE; |
|
if(c->decomp_len) |
|
c->decode_xor(c); |
|
} |
|
|
|
/* update frames */ |
|
{ |
|
uint8_t *out, *src; |
|
int i, j; |
|
|
|
out = c->pic.data[0]; |
|
src = c->cur; |
|
switch(c->fmt) { |
|
case ZMBV_FMT_8BPP: |
|
for(j = 0; j < c->height; j++) { |
|
for(i = 0; i < c->width; i++) { |
|
out[i * 3 + 0] = c->pal[(*src) * 3 + 0]; |
|
out[i * 3 + 1] = c->pal[(*src) * 3 + 1]; |
|
out[i * 3 + 2] = c->pal[(*src) * 3 + 2]; |
|
src++; |
|
} |
|
out += c->pic.linesize[0]; |
|
} |
|
break; |
|
case ZMBV_FMT_15BPP: |
|
for(j = 0; j < c->height; j++) { |
|
for(i = 0; i < c->width; i++) { |
|
uint16_t tmp = AV_RL16(src); |
|
src += 2; |
|
out[i * 3 + 0] = (tmp & 0x7C00) >> 7; |
|
out[i * 3 + 1] = (tmp & 0x03E0) >> 2; |
|
out[i * 3 + 2] = (tmp & 0x001F) << 3; |
|
} |
|
out += c->pic.linesize[0]; |
|
} |
|
break; |
|
case ZMBV_FMT_16BPP: |
|
for(j = 0; j < c->height; j++) { |
|
for(i = 0; i < c->width; i++) { |
|
uint16_t tmp = AV_RL16(src); |
|
src += 2; |
|
out[i * 3 + 0] = (tmp & 0xF800) >> 8; |
|
out[i * 3 + 1] = (tmp & 0x07E0) >> 3; |
|
out[i * 3 + 2] = (tmp & 0x001F) << 3; |
|
} |
|
out += c->pic.linesize[0]; |
|
} |
|
break; |
|
#ifdef ZMBV_ENABLE_24BPP |
|
case ZMBV_FMT_24BPP: |
|
for(j = 0; j < c->height; j++) { |
|
memcpy(out, src, c->width * 3); |
|
src += c->width * 3; |
|
out += c->pic.linesize[0]; |
|
} |
|
break; |
|
#endif //ZMBV_ENABLE_24BPP |
|
case ZMBV_FMT_32BPP: |
|
for(j = 0; j < c->height; j++) { |
|
for(i = 0; i < c->width; i++) { |
|
uint32_t tmp = AV_RL32(src); |
|
src += 4; |
|
AV_WB24(out+(i*3), tmp); |
|
} |
|
out += c->pic.linesize[0]; |
|
} |
|
break; |
|
default: |
|
av_log(avctx, AV_LOG_ERROR, "Cannot handle format %i\n", c->fmt); |
|
} |
|
memcpy(c->prev, c->cur, c->width * c->height * (c->bpp / 8)); |
|
} |
|
*data_size = sizeof(AVFrame); |
|
*(AVFrame*)data = c->pic; |
|
|
|
/* always report that the buffer was completely consumed */ |
|
return buf_size; |
|
} |
|
|
|
|
|
|
|
/* |
|
* |
|
* Init zmbv decoder |
|
* |
|
*/ |
|
static av_cold int decode_init(AVCodecContext *avctx) |
|
{ |
|
ZmbvContext * const c = avctx->priv_data; |
|
int zret; // Zlib return code |
|
|
|
c->avctx = avctx; |
|
|
|
c->width = avctx->width; |
|
c->height = avctx->height; |
|
|
|
c->bpp = avctx->bits_per_coded_sample; |
|
|
|
// Needed if zlib unused or init aborted before inflateInit |
|
memset(&(c->zstream), 0, sizeof(z_stream)); |
|
|
|
avctx->pix_fmt = PIX_FMT_RGB24; |
|
c->decomp_size = (avctx->width + 255) * 4 * (avctx->height + 64); |
|
|
|
/* Allocate decompression buffer */ |
|
if (c->decomp_size) { |
|
if ((c->decomp_buf = av_malloc(c->decomp_size)) == NULL) { |
|
av_log(avctx, AV_LOG_ERROR, "Can't allocate decompression buffer.\n"); |
|
return 1; |
|
} |
|
} |
|
|
|
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; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
|
|
|
|
/* |
|
* |
|
* Uninit zmbv decoder |
|
* |
|
*/ |
|
static av_cold int decode_end(AVCodecContext *avctx) |
|
{ |
|
ZmbvContext * const c = avctx->priv_data; |
|
|
|
av_freep(&c->decomp_buf); |
|
|
|
if (c->pic.data[0]) |
|
avctx->release_buffer(avctx, &c->pic); |
|
inflateEnd(&(c->zstream)); |
|
av_freep(&c->cur); |
|
av_freep(&c->prev); |
|
|
|
return 0; |
|
} |
|
|
|
AVCodec ff_zmbv_decoder = { |
|
"zmbv", |
|
AVMEDIA_TYPE_VIDEO, |
|
CODEC_ID_ZMBV, |
|
sizeof(ZmbvContext), |
|
decode_init, |
|
NULL, |
|
decode_end, |
|
decode_frame, |
|
CODEC_CAP_DR1, |
|
.long_name = NULL_IF_CONFIG_SMALL("Zip Motion Blocks Video"), |
|
}; |
|
|
|
|