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MC rounding fixed?
UMV still not bugfree :( Originally committed as revision 2127 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -287,6 +287,7 @@ typedef struct Vp3DecodeContext {
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int last_coded_y_fragment;
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int last_coded_c_fragment;
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uint8_t edge_emu_buffer[9*2048]; //FIXME dynamic alloc
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} Vp3DecodeContext;
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/************************************************************************
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@ -2340,7 +2341,7 @@ static void render_fragments(Vp3DecodeContext *s,
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int motion_x, motion_y;
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int upper_motion_limit, lower_motion_limit;
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int motion_halfpel_index;
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unsigned int motion_source;
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uint8_t *motion_source;
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debug_vp3(" vp3: rendering final fragments for %s\n",
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(plane == 0) ? "Y plane" : (plane == 1) ? "U plane" : "V plane");
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@ -2386,15 +2387,24 @@ static void render_fragments(Vp3DecodeContext *s,
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/* transform if this block was coded */
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if (s->all_fragments[i].coding_method != MODE_COPY) {
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motion_source = s->all_fragments[i].first_pixel;
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if ((s->all_fragments[i].coding_method == MODE_USING_GOLDEN) ||
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(s->all_fragments[i].coding_method == MODE_GOLDEN_MV))
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motion_source= golden_plane;
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else
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motion_source= last_plane;
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motion_source += s->all_fragments[i].first_pixel;
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motion_halfpel_index = 0;
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/* sort out the motion vector if this fragment is coded
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* using a motion vector method */
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if ((s->all_fragments[i].coding_method > MODE_INTRA) &&
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(s->all_fragments[i].coding_method != MODE_USING_GOLDEN)) {
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int src_x, src_y;
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motion_x = s->all_fragments[i].motion_x;
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motion_y = s->all_fragments[i].motion_y;
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src_x= (motion_x>>1) + x;
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src_y= (motion_y>>1) + y;
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if ((motion_x == 0xbeef) || (motion_y == 0xbeef))
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printf (" help! got beefy vector! (%X, %X)\n", motion_x, motion_y);
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@ -2417,32 +2427,22 @@ printf (" help! got beefy vector! (%X, %X)\n", motion_x, motion_y);
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motion_source -= (((motion_y + 1) >> 1) * stride);
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}
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/* if the are any problems with a motion vector, refuse
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* to render the block */
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if ((motion_source < upper_motion_limit) ||
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(motion_source > lower_motion_limit)) {
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printf (" vp3: help! motion source (%d) out of range (%d..%d), fragment %d\n",
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motion_source, upper_motion_limit, lower_motion_limit, i);
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continue;
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if(src_x<0 || src_y<0 || src_x + 9 >= width || src_y + 9 >= height){
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uint8_t *temp= s->edge_emu_buffer;
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if(stride<0) temp -= 9*stride;
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ff_emulated_edge_mc(temp, motion_source, stride, 9, 9, src_x, src_y, width, height);
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motion_source= temp;
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}
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}
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/* first, take care of copying a block from either the
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* previous or the golden frame */
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if ((s->all_fragments[i].coding_method == MODE_USING_GOLDEN) ||
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(s->all_fragments[i].coding_method == MODE_GOLDEN_MV)) {
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s->dsp.put_pixels_tab[1][motion_halfpel_index](
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output_plane + s->all_fragments[i].first_pixel,
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golden_plane + motion_source,
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stride, 8);
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} else
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if (s->all_fragments[i].coding_method != MODE_INTRA) {
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s->dsp.put_pixels_tab[1][motion_halfpel_index](
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s->dsp.put_no_rnd_pixels_tab[1][motion_halfpel_index](
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output_plane + s->all_fragments[i].first_pixel,
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last_plane + motion_source,
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motion_source,
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stride, 8);
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}
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