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fixed block artefacts and speedup at the same time

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5685 b3059339-0415-0410-9bf9-f77b7e298cf2
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iive 2002-04-18 17:08:08 +00:00
parent 6c4797e017
commit 9a1a85ec2e
1 changed files with 7 additions and 2 deletions
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9
libmpcodecs/native/roqav.c
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@ -64,6 +64,7 @@ typedef struct
roq_v2_codebook v2[MAX_ROQ_CODEBOOK_SIZE];
roq_v4_codebook v4[MAX_ROQ_CODEBOOK_SIZE];
mp_image_t *prev_frame;
uint32_t numframe;
} roqvideo_info;
@ -232,6 +233,7 @@ void *roq_decode_video_init(void)
(roqvideo_info *)calloc(sizeof(roqvideo_info), 1);
info->prev_frame = NULL;
info->numframe=0;
return info;
}
@ -386,9 +388,11 @@ void roq_decode_video(void *context, unsigned char *encoded,
mean_motion_y = encoded[stream_ptr++];
mean_motion_x = encoded[stream_ptr++];
// start by copying entire previous frame
if (info->prev_frame)
//RoQ reuses its buffers so a transparent block keeps content
//from 2 frames ago. The only exception is 2'd frame (#1)
if(info->numframe==1)
{
CHECK_PREV_FRAME();
memcpy(mpi->planes[0], info->prev_frame->planes[0],
mpi->width * mpi->height);
memcpy(mpi->planes[1], info->prev_frame->planes[1],
@ -606,6 +610,7 @@ void roq_decode_video(void *context, unsigned char *encoded,
}
// save the current frame as the previous frame for the next iteration
info->numframe++;
info->prev_frame = mpi;
}