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vo_opengl: improve interpolation diagnostics

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This adds extra debugging output for buffer underruns, to help track
down possible queueing issues. It also inverts the numberic output for
tscale=oversample to make more sense, without changing the logic.
This commit is contained in:
Niklas Haas 2015-03-15 23:25:01 +01:00 committed by wm4
parent ce2da9cfcf
commit 0329b81354
1 changed files with 9 additions and 6 deletions
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15
video/out/gl_video.c
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@ -1778,11 +1778,13 @@ static void gl_video_interpolate_frame(struct gl_video *p, int fbo,
// Possible causes for failure of this condition include seeks, pausing,
// end of playback or start of playback.
bool valid = true;
for (int i = surface_bse; i != surface_end; i = fbosurface_wrap(i+1)) {
if (!p->surfaces[i].pts ||
p->surfaces[fbosurface_wrap(i+1)].pts < p->surfaces[i].pts) {
for (int i = surface_bse, ii; valid && i != surface_end; i = ii) {
ii = fbosurface_wrap(i+1);
if (!p->surfaces[i].pts || !p->surfaces[ii].pts) {
valid = false;
break;
} else if (p->surfaces[ii].pts < p->surfaces[i].pts) {
valid = false;
MP_DBG(p, "interpolation queue underrun\n");
}
}
@ -1802,9 +1804,10 @@ static void gl_video_interpolate_frame(struct gl_video *p, int fbo,
mix = (pts_nxt - t->next_vsync) / vsync_interval;
mix = mix <= 0 + threshold ? 0 : mix;
mix = mix >= 1 - threshold ? 1 : mix;
mix = 1 - mix;
gl_sc_uniform_f(p->sc, "inter_coeff", mix);
GLSL(vec4 color = mix(texture(texture1, texcoord1),
texture(texture0, texcoord0),
GLSL(vec4 color = mix(texture(texture0, texcoord0),
texture(texture1, texcoord1),
inter_coeff);)
} else {
mix = (t->next_vsync - pts_now) / fscale;