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dvdspu: artifacts when rendering clipped spu

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=705039
This commit is contained in:
Matej Knopp 2013-07-28 20:14:55 +02:00 committed by Sebastian Dröge
parent bcff370c43
commit f42176b877
1 changed files with 13 additions and 10 deletions
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23
gst/dvdspu/gstspu-vobsub-render.c
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@ -248,7 +248,9 @@ gstspu_vobsub_render_line (SpuState * state, guint8 * planes[3],
if (next_draw_x > state->vobsub.clip_rect.right) if (next_draw_x > state->vobsub.clip_rect.right)
next_draw_x = state->vobsub.clip_rect.right; /* ensure no overflow */ next_draw_x = state->vobsub.clip_rect.right; /* ensure no overflow */
/* Now draw the run between [x,next_x) */ /* Now draw the run between [x,next_x) */
gstspu_vobsub_draw_rle_run (state, x, next_draw_x, colour); if (state->vobsub.cur_Y >= state->vobsub.clip_rect.top &&
state->vobsub.cur_Y <= state->vobsub.clip_rect.bottom)
gstspu_vobsub_draw_rle_run (state, x, next_draw_x, colour);
x = next_x; x = next_x;
} }
} }
@ -552,10 +554,10 @@ gstspu_vobsub_render (GstDVDSpu * dvdspu, GstVideoFrame * frame)
/* Render even line */ /* Render even line */
state->vobsub.comp_last_x_ptr = state->vobsub.comp_last_x; state->vobsub.comp_last_x_ptr = state->vobsub.comp_last_x;
gstspu_vobsub_render_line (state, planes, &state->vobsub.cur_offsets[0]); gstspu_vobsub_render_line (state, planes, &state->vobsub.cur_offsets[0]);
if (!clip) {
/* Advance the luminance output pointer */ /* Advance the luminance output pointer */
planes[0] += strides[0]; planes[0] += strides[0];
}
state->vobsub.cur_Y++; state->vobsub.cur_Y++;
/* Render odd line */ /* Render odd line */
@ -565,13 +567,14 @@ gstspu_vobsub_render (GstDVDSpu * dvdspu, GstVideoFrame * frame)
if (!clip) { if (!clip) {
/* Blend the accumulated UV compositing buffers onto the output */ /* Blend the accumulated UV compositing buffers onto the output */
gstspu_vobsub_blend_comp_buffers (state, planes); gstspu_vobsub_blend_comp_buffers (state, planes);
/* Update all the output pointers */
planes[0] += strides[0];
planes[1] += strides[1];
planes[2] += strides[2];
} }
/* Update all the output pointers */
planes[0] += strides[0];
planes[1] += strides[1];
planes[2] += strides[2];
} }
if (state->vobsub.cur_Y == state->vobsub.disp_rect.bottom) { if (state->vobsub.cur_Y == state->vobsub.disp_rect.bottom) {
gboolean clip; gboolean clip;