* Copyright (c) 2005 Roine Gustafsson
* Copyright (c) 2006 Konstantin Shishkov
*
- * 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 fraps.c
+ * @file
* Lossless Fraps 'FPS1' decoder
- * @author Roine Gustafsson <roine at users sf net>
+ * @author Roine Gustafsson (roine at users sf net)
* @author Konstantin Shishkov
*
* Codec algorithm for version 0 is taken from Transcode <www.transcoding.org>
*/
#include "avcodec.h"
-#include "bitstream.h"
+#include "get_bits.h"
#include "huffman.h"
#include "bytestream.h"
#include "dsputil.h"
avctx->pix_fmt= PIX_FMT_NONE; /* set in decode_frame */
s->avctx = avctx;
- s->frame.data[0] = NULL;
s->tmpbuf = NULL;
dsputil_init(&s->dsp, avctx);
return 0;
}
-/**
- * decode a frame
- * @param avctx codec context
- * @param data output AVFrame
- * @param data_size size of output data or 0 if no picture is returned
- * @param buf input data frame
- * @param buf_size size of input data frame
- * @return number of consumed bytes on success or negative if decode fails
- */
static int decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- const uint8_t *buf, int buf_size)
+ AVPacket *avpkt)
{
+ const uint8_t *buf = avpkt->data;
+ int buf_size = avpkt->size;
FrapsContext * const s = avctx->priv_data;
AVFrame *frame = data;
AVFrame * const f = (AVFrame*)&s->frame;
uint32_t *luma1,*luma2,*cb,*cr;
uint32_t offs[4];
int i, j, is_chroma, planes;
- int R, G, B, Y, U, V;
header = AV_RL32(buf);
version = header & 0xff;
header_size = (header & (1<<30))? 8 : 4; /* bit 30 means pad to 8 bytes */
- if (version > 2 && version != 4 && version != 5) {
+ if (version > 5) {
av_log(avctx, AV_LOG_ERROR,
"This file is encoded with Fraps version %d. " \
- "This codec can only decode version 0, 1, 2 and 4.\n", version);
+ "This codec can only decode versions <= 5.\n", version);
return -1;
}
case 0:
default:
/* Fraps v0 is a reordered YUV420 */
- avctx->pix_fmt = PIX_FMT_YUV420P;
+ avctx->pix_fmt = PIX_FMT_YUVJ420P;
if ( (buf_size != avctx->width*avctx->height*3/2+header_size) &&
(buf_size != header_size) ) {
return -1;
}
/* bit 31 means same as previous pic */
- f->pict_type = (header & (1<<31))? FF_P_TYPE : FF_I_TYPE;
- f->key_frame = f->pict_type == FF_I_TYPE;
+ f->pict_type = (header & (1U<<31))? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
+ f->key_frame = f->pict_type == AV_PICTURE_TYPE_I;
- if (f->pict_type == FF_I_TYPE) {
+ if (f->pict_type == AV_PICTURE_TYPE_I) {
buf32=(const uint32_t*)buf;
for(y=0; y<avctx->height/2; y++){
luma1=(uint32_t*)&f->data[0][ y*2*f->linesize[0] ];
return -1;
}
/* bit 31 means same as previous pic */
- f->pict_type = (header & (1<<31))? FF_P_TYPE : FF_I_TYPE;
- f->key_frame = f->pict_type == FF_I_TYPE;
+ f->pict_type = (header & (1U<<31))? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
+ f->key_frame = f->pict_type == AV_PICTURE_TYPE_I;
- if (f->pict_type == FF_I_TYPE) {
+ if (f->pict_type == AV_PICTURE_TYPE_I) {
for(y=0; y<avctx->height; y++)
memcpy(&f->data[0][ (avctx->height-y)*f->linesize[0] ],
&buf[y*avctx->width*3],
- f->linesize[0]);
+ 3*avctx->width);
}
break;
* Fraps v2 is Huffman-coded YUV420 planes
* Fraps v4 is virtually the same
*/
- avctx->pix_fmt = PIX_FMT_YUV420P;
+ avctx->pix_fmt = PIX_FMT_YUVJ420P;
planes = 3;
f->reference = 1;
f->buffer_hints = FF_BUFFER_HINTS_VALID |
}
/* skip frame */
if(buf_size == 8) {
- f->pict_type = FF_P_TYPE;
+ f->pict_type = AV_PICTURE_TYPE_P;
f->key_frame = 0;
break;
}
- f->pict_type = FF_I_TYPE;
+ f->pict_type = AV_PICTURE_TYPE_I;
f->key_frame = 1;
if ((AV_RL32(buf) != FPS_TAG)||(buf_size < (planes*1024 + 24))) {
av_log(avctx, AV_LOG_ERROR, "Fraps: error in data stream\n");
}
}
break;
+ case 3:
case 5:
/* Virtually the same as version 4, but is for RGB24 */
avctx->pix_fmt = PIX_FMT_BGR24;
}
/* skip frame */
if(buf_size == 8) {
- f->pict_type = FF_P_TYPE;
+ f->pict_type = AV_PICTURE_TYPE_P;
f->key_frame = 0;
break;
}
- f->pict_type = FF_I_TYPE;
+ f->pict_type = AV_PICTURE_TYPE_I;
f->key_frame = 1;
if ((AV_RL32(buf) != FPS_TAG)||(buf_size < (planes*1024 + 24))) {
av_log(avctx, AV_LOG_ERROR, "Fraps: error in data stream\n");
// convert pseudo-YUV into real RGB
for(j = 0; j < avctx->height; j++){
for(i = 0; i < avctx->width; i++){
- U = f->data[0][0 + i*3 + j*f->linesize[0]];
- Y = f->data[0][1 + i*3 + j*f->linesize[0]];
- V = f->data[0][2 + i*3 + j*f->linesize[0]];
- R = Y + (int8_t)U;
- G = Y;
- B = Y + (int8_t)V;
- f->data[0][0 + i*3 + j*f->linesize[0]] = R;
- f->data[0][1 + i*3 + j*f->linesize[0]] = G;
- f->data[0][2 + i*3 + j*f->linesize[0]] = B;
+ f->data[0][0 + i*3 + j*f->linesize[0]] += f->data[0][1 + i*3 + j*f->linesize[0]];
+ f->data[0][2 + i*3 + j*f->linesize[0]] += f->data[0][1 + i*3 + j*f->linesize[0]];
}
}
break;
}
-AVCodec fraps_decoder = {
- "fraps",
- CODEC_TYPE_VIDEO,
- CODEC_ID_FRAPS,
- sizeof(FrapsContext),
- decode_init,
- NULL,
- decode_end,
- decode_frame,
- CODEC_CAP_DR1,
+AVCodec ff_fraps_decoder = {
+ .name = "fraps",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_FRAPS,
+ .priv_data_size = sizeof(FrapsContext),
+ .init = decode_init,
+ .close = decode_end,
+ .decode = decode_frame,
+ .capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("Fraps"),
};
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