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Diffstat (limited to 'libavcodec/fraps.c')
-rw-r--r--libavcodec/fraps.c229
1 files changed, 88 insertions, 141 deletions
diff --git a/libavcodec/fraps.c b/libavcodec/fraps.c
index 3df12809b0..da8a50c1fd 100644
--- a/libavcodec/fraps.c
+++ b/libavcodec/fraps.c
@@ -3,20 +3,20 @@
* Copyright (c) 2005 Roine Gustafsson
* Copyright (c) 2006 Konstantin Shishkov
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg 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,
+ * FFmpeg 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
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -36,6 +36,7 @@
#include "huffman.h"
#include "bytestream.h"
#include "dsputil.h"
+#include "thread.h"
#define FPS_TAG MKTAG('F', 'P', 'S', 'x')
@@ -60,8 +61,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
{
FrapsContext * const s = avctx->priv_data;
+ avcodec_get_frame_defaults(&s->frame);
avctx->coded_frame = &s->frame;
- avctx->pix_fmt= AV_PIX_FMT_NONE; /* set in decode_frame */
s->avctx = avctx;
s->tmpbuf = NULL;
@@ -138,7 +139,9 @@ static int decode_frame(AVCodecContext *avctx,
const uint32_t *buf32;
uint32_t *luma1,*luma2,*cb,*cr;
uint32_t offs[4];
- int i, j, is_chroma, planes;
+ int i, j, is_chroma;
+ const int planes = 3;
+ uint8_t *out;
enum AVPixelFormat pix_fmt;
header = AV_RL32(buf);
@@ -152,9 +155,54 @@ static int decode_frame(AVCodecContext *avctx,
return -1;
}
- buf+=4;
- if (header_size == 8)
- buf+=4;
+ buf += header_size;
+
+ if (version < 2) {
+ unsigned needed_size = avctx->width*avctx->height*3;
+ if (version == 0) needed_size /= 2;
+ needed_size += header_size;
+ /* bit 31 means same as previous pic */
+ if (header & (1U<<31)) {
+ *data_size = 0;
+ return buf_size;
+ }
+ if (buf_size != needed_size) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Invalid frame length %d (should be %d)\n",
+ buf_size, needed_size);
+ return -1;
+ }
+ } else {
+ /* skip frame */
+ if (buf_size == 8) {
+ *data_size = 0;
+ return buf_size;
+ }
+ if (AV_RL32(buf) != FPS_TAG || buf_size < planes*1024 + 24) {
+ av_log(avctx, AV_LOG_ERROR, "Fraps: error in data stream\n");
+ return -1;
+ }
+ for(i = 0; i < planes; i++) {
+ offs[i] = AV_RL32(buf + 4 + i * 4);
+ if(offs[i] >= buf_size - header_size || (i && offs[i] <= offs[i - 1] + 1024)) {
+ av_log(avctx, AV_LOG_ERROR, "Fraps: plane %i offset is out of bounds\n", i);
+ return -1;
+ }
+ }
+ offs[planes] = buf_size - header_size;
+ for(i = 0; i < planes; i++) {
+ av_fast_padded_malloc(&s->tmpbuf, &s->tmpbuf_size, offs[i + 1] - offs[i] - 1024);
+ if (!s->tmpbuf)
+ return AVERROR(ENOMEM);
+ }
+ }
+
+ if (f->data[0])
+ ff_thread_release_buffer(avctx, f);
+ f->pict_type = AV_PICTURE_TYPE_I;
+ f->key_frame = 1;
+ f->reference = 0;
+ f->buffer_hints = FF_BUFFER_HINTS_VALID;
pix_fmt = version & 1 ? AV_PIX_FMT_BGR24 : AV_PIX_FMT_YUVJ420P;
if (avctx->pix_fmt != pix_fmt && f->data[0]) {
@@ -162,83 +210,44 @@ static int decode_frame(AVCodecContext *avctx,
}
avctx->pix_fmt = pix_fmt;
+ if (ff_thread_get_buffer(avctx, f)) {
+ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ return -1;
+ }
+
switch(version) {
case 0:
default:
/* Fraps v0 is a reordered YUV420 */
- if ( (buf_size != avctx->width*avctx->height*3/2+header_size) &&
- (buf_size != header_size) ) {
- av_log(avctx, AV_LOG_ERROR,
- "Invalid frame length %d (should be %d)\n",
- buf_size, avctx->width*avctx->height*3/2+header_size);
- return -1;
- }
-
- if (( (avctx->width % 8) != 0) || ( (avctx->height % 2) != 0 )) {
+ if ( (avctx->width % 8) != 0 || (avctx->height % 2) != 0 ) {
av_log(avctx, AV_LOG_ERROR, "Invalid frame size %dx%d\n",
avctx->width, avctx->height);
return -1;
}
- f->reference = 1;
- f->buffer_hints = FF_BUFFER_HINTS_VALID |
- FF_BUFFER_HINTS_PRESERVE |
- FF_BUFFER_HINTS_REUSABLE;
- if (avctx->reget_buffer(avctx, f)) {
- av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
- return -1;
- }
- /* bit 31 means same as previous pic */
- 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 == 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] ];
- luma2=(uint32_t*)&f->data[0][ (y*2+1)*f->linesize[0] ];
- cr=(uint32_t*)&f->data[1][ y*f->linesize[1] ];
- cb=(uint32_t*)&f->data[2][ y*f->linesize[2] ];
- for(x=0; x<avctx->width; x+=8){
- *(luma1++) = *(buf32++);
- *(luma1++) = *(buf32++);
- *(luma2++) = *(buf32++);
- *(luma2++) = *(buf32++);
- *(cr++) = *(buf32++);
- *(cb++) = *(buf32++);
- }
+ buf32=(const uint32_t*)buf;
+ for(y=0; y<avctx->height/2; y++){
+ luma1=(uint32_t*)&f->data[0][ y*2*f->linesize[0] ];
+ luma2=(uint32_t*)&f->data[0][ (y*2+1)*f->linesize[0] ];
+ cr=(uint32_t*)&f->data[1][ y*f->linesize[1] ];
+ cb=(uint32_t*)&f->data[2][ y*f->linesize[2] ];
+ for(x=0; x<avctx->width; x+=8){
+ *luma1++ = *buf32++;
+ *luma1++ = *buf32++;
+ *luma2++ = *buf32++;
+ *luma2++ = *buf32++;
+ *cr++ = *buf32++;
+ *cb++ = *buf32++;
}
}
break;
case 1:
/* Fraps v1 is an upside-down BGR24 */
- if ( (buf_size != avctx->width*avctx->height*3+header_size) &&
- (buf_size != header_size) ) {
- av_log(avctx, AV_LOG_ERROR,
- "Invalid frame length %d (should be %d)\n",
- buf_size, avctx->width*avctx->height*3+header_size);
- return -1;
- }
-
- f->reference = 1;
- f->buffer_hints = FF_BUFFER_HINTS_VALID |
- FF_BUFFER_HINTS_PRESERVE |
- FF_BUFFER_HINTS_REUSABLE;
- if (avctx->reget_buffer(avctx, f)) {
- av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
- return -1;
- }
- /* bit 31 means same as previous pic */
- 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 == 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],
- 3*avctx->width);
- }
+ for(y=0; y<avctx->height; y++)
+ memcpy(&f->data[0][ (avctx->height-y)*f->linesize[0] ],
+ &buf[y*avctx->width*3],
+ 3*avctx->width);
break;
case 2:
@@ -247,41 +256,8 @@ static int decode_frame(AVCodecContext *avctx,
* Fraps v2 is Huffman-coded YUV420 planes
* Fraps v4 is virtually the same
*/
- planes = 3;
- f->reference = 1;
- f->buffer_hints = FF_BUFFER_HINTS_VALID |
- FF_BUFFER_HINTS_PRESERVE |
- FF_BUFFER_HINTS_REUSABLE;
- if (avctx->reget_buffer(avctx, f)) {
- av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
- return -1;
- }
- /* skip frame */
- if(buf_size == 8) {
- f->pict_type = AV_PICTURE_TYPE_P;
- f->key_frame = 0;
- break;
- }
- 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");
- return -1;
- }
- for(i = 0; i < planes; i++) {
- offs[i] = AV_RL32(buf + 4 + i * 4);
- if(offs[i] >= buf_size || (i && offs[i] <= offs[i - 1] + 1024)) {
- av_log(avctx, AV_LOG_ERROR, "Fraps: plane %i offset is out of bounds\n", i);
- return -1;
- }
- }
- offs[planes] = buf_size;
for(i = 0; i < planes; i++){
is_chroma = !!i;
- av_fast_padded_malloc(&s->tmpbuf, &s->tmpbuf_size,
- offs[i + 1] - offs[i] - 1024);
- if (!s->tmpbuf)
- return AVERROR(ENOMEM);
if(fraps2_decode_plane(s, f->data[i], f->linesize[i], avctx->width >> is_chroma,
avctx->height >> is_chroma, buf + offs[i], offs[i + 1] - offs[i], is_chroma, 1) < 0) {
av_log(avctx, AV_LOG_ERROR, "Error decoding plane %i\n", i);
@@ -292,52 +268,23 @@ static int decode_frame(AVCodecContext *avctx,
case 3:
case 5:
/* Virtually the same as version 4, but is for RGB24 */
- planes = 3;
- f->reference = 1;
- f->buffer_hints = FF_BUFFER_HINTS_VALID |
- FF_BUFFER_HINTS_PRESERVE |
- FF_BUFFER_HINTS_REUSABLE;
- if (avctx->reget_buffer(avctx, f)) {
- av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
- return -1;
- }
- /* skip frame */
- if(buf_size == 8) {
- f->pict_type = AV_PICTURE_TYPE_P;
- f->key_frame = 0;
- break;
- }
- 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");
- return -1;
- }
- for(i = 0; i < planes; i++) {
- offs[i] = AV_RL32(buf + 4 + i * 4);
- if(offs[i] >= buf_size || (i && offs[i] <= offs[i - 1] + 1024)) {
- av_log(avctx, AV_LOG_ERROR, "Fraps: plane %i offset is out of bounds\n", i);
- return -1;
- }
- }
- offs[planes] = buf_size;
for(i = 0; i < planes; i++){
- av_fast_padded_malloc(&s->tmpbuf, &s->tmpbuf_size,
- offs[i + 1] - offs[i] - 1024);
- if (!s->tmpbuf)
- return AVERROR(ENOMEM);
if(fraps2_decode_plane(s, f->data[0] + i + (f->linesize[0] * (avctx->height - 1)), -f->linesize[0],
avctx->width, avctx->height, buf + offs[i], offs[i + 1] - offs[i], 0, 3) < 0) {
av_log(avctx, AV_LOG_ERROR, "Error decoding plane %i\n", i);
return -1;
}
}
+ out = f->data[0];
// convert pseudo-YUV into real RGB
for(j = 0; j < avctx->height; j++){
- for(i = 0; i < avctx->width; i++){
- 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]];
+ uint8_t *line_end = out + 3*avctx->width;
+ while (out < line_end) {
+ out[0] += out[1];
+ out[2] += out[1];
+ out += 3;
}
+ out += f->linesize[0] - 3*avctx->width;
}
break;
}
@@ -374,6 +321,6 @@ AVCodec ff_fraps_decoder = {
.init = decode_init,
.close = decode_end,
.decode = decode_frame,
- .capabilities = CODEC_CAP_DR1,
+ .capabilities = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS,
.long_name = NULL_IF_CONFIG_SMALL("Fraps"),
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-11 08:37:33 +0300