* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
*/
/**
#include "avcodec.h"
#include "bytestream.h"
-#include "dsputil.h"
#include "roqvideo.h"
static void roqvideo_decode_frame(RoqContext *ri)
int vqid, bpos, xpos, ypos, xp, yp, x, y, mx, my;
int frame_stats[2][4] = {{0},{0}};
roq_qcell *qcell;
- unsigned char *buf = ri->buf;
- unsigned char *buf_end = ri->buf + ri->size;
+ const unsigned char *buf = ri->buf;
+ const unsigned char *buf_end = ri->buf + ri->size;
while (buf < buf_end) {
chunk_id = bytestream_get_le16(&buf);
}
-static int roq_decode_init(AVCodecContext *avctx)
+static av_cold int roq_decode_init(AVCodecContext *avctx)
{
RoqContext *s = avctx->priv_data;
s->last_frame = &s->frames[0];
s->current_frame = &s->frames[1];
avctx->pix_fmt = PIX_FMT_YUV444P;
- dsputil_init(&s->dsp, avctx);
return 0;
}
static int roq_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- uint8_t *buf, int buf_size)
+ const uint8_t *buf, int buf_size)
{
RoqContext *s = avctx->priv_data;
+ int copy= !s->current_frame->data[0];
if (avctx->reget_buffer(avctx, s->current_frame)) {
av_log(avctx, AV_LOG_ERROR, " RoQ: get_buffer() failed\n");
return -1;
}
- s->y_stride = s->current_frame->linesize[0];
- s->c_stride = s->current_frame->linesize[1];
+
+ if(copy)
+ av_picture_copy((AVPicture*)s->current_frame, (AVPicture*)s->last_frame,
+ avctx->pix_fmt, avctx->width, avctx->height);
s->buf = buf;
s->size = buf_size;
return buf_size;
}
-static int roq_decode_end(AVCodecContext *avctx)
+static av_cold int roq_decode_end(AVCodecContext *avctx)
{
RoqContext *s = avctx->priv_data;
roq_decode_end,
roq_decode_frame,
CODEC_CAP_DR1,
+ .long_name = "Id RoQ video",
};