#define VOUT_DISPLAY_LATE_THRESHOLD (INT64_C(20000))
/* Better be in advance when awakening than late... */
-#define VOUT_MWAIT_TOLERANCE (INT64_C(1000))
+#define VOUT_MWAIT_TOLERANCE (INT64_C(4000))
/* */
static int VoutValidateFormat(video_format_t *dst,
}
/* */
-static picture_t *ThreadDisplayGetDecodedPicture(vout_thread_t *vout,
- int *lost_count, bool *is_forced,
- bool now, mtime_t *deadline)
+static int ThreadDisplayPreparePicture(vout_thread_t *vout, bool reuse, bool is_late_dropped)
{
- vout_display_t *vd = vout->p->display.vd;
+ int lost_count = 0;
- const mtime_t date = mdate();
- const bool is_paused = vout->p->pause.is_on;
- bool redisplay = is_paused && !now && vout->p->displayed.decoded;
+ vlc_mutex_lock(&vout->p->filter.lock);
- mtime_t filter_delay = 0;
- for (int i = 0; i < VOUT_FILTER_DELAYS; i++)
- filter_delay = __MAX(filter_delay, vout->p->filter.delay[i]);
+ picture_t *picture = filter_chain_VideoFilter(vout->p->filter.chain_static, NULL);
+ assert(!reuse || !picture);
- /* FIXME/XXX we must redisplay the last decoded picture (because
- * of potential vout updated, or filters update or SPU update)
- * For now a high update period is needed but it coulmd be removed
- * if and only if:
- * - vout module emits events from theselves.
- * - *and* SPU is modified to emit an event or a deadline when needed.
- *
- * So it will be done latter.
- */
- if (!redisplay) {
- picture_t *peek = picture_fifo_Peek(vout->p->decoder_fifo);
- if (peek) {
- *is_forced = peek->b_force || is_paused || now;
- *deadline = (*is_forced ? date : peek->date) -
- vout_chrono_GetHigh(&vout->p->render) -
- filter_delay;
- picture_Release(peek);
+ while (!picture) {
+ picture_t *decoded;
+ if (reuse && vout->p->displayed.decoded) {
+ decoded = picture_Hold(vout->p->displayed.decoded);
} else {
- redisplay = true;
- }
- }
- if (redisplay) {
- /* FIXME a better way for this delay is needed */
- const mtime_t date_update = vout->p->displayed.date + VOUT_REDISPLAY_DELAY;
- if (date_update > date || !vout->p->displayed.decoded) {
- *deadline = vout->p->displayed.decoded ? date_update : VLC_TS_INVALID;
- return NULL;
- }
- /* */
- *is_forced = true;
- *deadline = date - vout_chrono_GetHigh(&vout->p->render) - filter_delay;
- }
- if (*deadline > VOUT_MWAIT_TOLERANCE)
- *deadline -= VOUT_MWAIT_TOLERANCE;
-
- /* If we are too early and can wait, do it */
- if (date < *deadline && !now)
- return NULL;
-
- picture_t *decoded;
- if (redisplay) {
- decoded = vout->p->displayed.decoded;
- vout->p->displayed.decoded = NULL;
- } else {
- decoded = picture_fifo_Pop(vout->p->decoder_fifo);
- assert(decoded);
- if (!*is_forced && !vout->p->is_late_dropped) {
- const mtime_t predicted = date + vout_chrono_GetLow(&vout->p->render);
- const mtime_t late = predicted - decoded->date;
- if (late > 0) {
- msg_Dbg(vout, "picture might be displayed late (missing %d ms)", (int)(late/1000));
+ decoded = picture_fifo_Pop(vout->p->decoder_fifo);
+ if (is_late_dropped && decoded && !decoded->b_force) {
+ const mtime_t predicted = mdate() + 0; /* TODO improve */
+ const mtime_t late = predicted - decoded->date;
if (late > VOUT_DISPLAY_LATE_THRESHOLD) {
- msg_Warn(vout, "rejected picture because of render time");
- /* TODO */
+ msg_Warn(vout, "picture is too late to be displayed (missing %d ms)", (int)(late/1000));
picture_Release(decoded);
- (*lost_count)++;
- return NULL;
+ lost_count++;
+ continue;
+ } else if (late > 0) {
+ msg_Dbg(vout, "picture might be displayed late (missing %d ms)", (int)(late/1000));
}
}
}
+ if (!decoded)
+ break;
+ reuse = false;
+ if (vout->p->displayed.decoded)
+ picture_Release(vout->p->displayed.decoded);
+
+ vout->p->displayed.decoded = picture_Hold(decoded);
+ vout->p->displayed.timestamp = decoded->date;
vout->p->displayed.is_interlaced = !decoded->b_progressive;
vout->p->displayed.qtype = decoded->i_qtype;
+
+ picture = filter_chain_VideoFilter(vout->p->filter.chain_static, decoded);
}
- vout->p->displayed.timestamp = decoded->date;
- /* */
- if (vout->p->displayed.decoded)
- picture_Release(vout->p->displayed.decoded);
- picture_Hold(decoded);
- vout->p->displayed.decoded = decoded;
+ vlc_mutex_unlock(&vout->p->filter.lock);
+
+ vout_statistic_Update(&vout->p->statistic, 0, lost_count);
+ if (!picture)
+ return VLC_EGENERIC;
- return decoded;
+ assert(!vout->p->displayed.next);
+ if (!vout->p->displayed.current)
+ vout->p->displayed.current = picture;
+ else
+ vout->p->displayed.next = picture;
+ return VLC_SUCCESS;
}
-static int ThreadDisplayPicture(vout_thread_t *vout,
- bool now, mtime_t *deadline)
+static int ThreadDisplayRenderPicture(vout_thread_t *vout, bool is_forced)
{
vout_display_t *vd = vout->p->display.vd;
- int displayed_count = 0;
- int lost_count = 0;
- for (;;) {
- bool is_forced;
- picture_t *decoded = ThreadDisplayGetDecodedPicture(vout,
- &lost_count, &is_forced,
- now, deadline);
- if (!decoded)
- break;
+ picture_t *torender = picture_Hold(vout->p->displayed.current);
- /* */
- vout_chrono_Start(&vout->p->render);
-
- picture_t *filtered = NULL;
- if (decoded) {
- vlc_mutex_lock(&vout->p->filter.lock);
- filtered = filter_chain_VideoFilter(vout->p->filter.chain_static, decoded);
- if (filtered)
- filtered = filter_chain_VideoFilter(vout->p->filter.chain_interactive, filtered);
- vlc_mutex_unlock(&vout->p->filter.lock);
- if (!filtered)
- continue;
- vout->p->filter.delay[vout->p->filter.delay_index] = decoded->date - filtered->date;
- vout->p->filter.delay_index = (vout->p->filter.delay_index + 1) % VOUT_FILTER_DELAYS;
- }
+ vout_chrono_Start(&vout->p->render);
- /*
- * Check for subpictures to display
- */
- const bool do_snapshot = vout_snapshot_IsRequested(&vout->p->snapshot);
- mtime_t spu_render_time = is_forced ? mdate() : filtered->date;
- if (vout->p->pause.is_on)
- spu_render_time = vout->p->pause.date;
+ vlc_mutex_lock(&vout->p->filter.lock);
+ picture_t *filtered = filter_chain_VideoFilter(vout->p->filter.chain_interactive, torender);
+ vlc_mutex_unlock(&vout->p->filter.lock);
+
+ if (!filtered)
+ return VLC_EGENERIC;
+
+ if (filtered->date != vout->p->displayed.current->date)
+ msg_Warn(vout, "Unsupported timestamp modifications done by chain_interactive");
+
+ /*
+ * Check for subpictures to display
+ */
+ const bool do_snapshot = vout_snapshot_IsRequested(&vout->p->snapshot);
+ mtime_t spu_render_time = is_forced ? mdate() : filtered->date;
+ if (vout->p->pause.is_on)
+ spu_render_time = vout->p->pause.date;
+ else
+ spu_render_time = filtered->date > 1 ? filtered->date : mdate();
+
+ subpicture_t *subpic = spu_SortSubpictures(vout->p->p_spu,
+ spu_render_time,
+ do_snapshot);
+ /*
+ * Perform rendering
+ *
+ * We have to:
+ * - be sure to end up with a direct buffer.
+ * - blend subtitles, and in a fast access buffer
+ */
+ picture_t *direct = NULL;
+ if (filtered &&
+ (vout->p->decoder_pool != vout->p->display_pool || subpic)) {
+ picture_t *render;
+ if (vout->p->is_decoder_pool_slow)
+ render = picture_NewFromFormat(&vd->source);
+ else if (vout->p->decoder_pool != vout->p->display_pool)
+ render = picture_pool_Get(vout->p->display_pool);
else
- spu_render_time = filtered->date > 1 ? filtered->date : mdate();
-
- subpicture_t *subpic = spu_SortSubpictures(vout->p->p_spu,
- spu_render_time,
- do_snapshot);
- /*
- * Perform rendering
- *
- * We have to:
- * - be sure to end up with a direct buffer.
- * - blend subtitles, and in a fast access buffer
- */
- picture_t *direct = NULL;
- if (filtered &&
- (vout->p->decoder_pool != vout->p->display_pool || subpic)) {
- picture_t *render;
- if (vout->p->is_decoder_pool_slow)
- render = picture_NewFromFormat(&vd->source);
- else if (vout->p->decoder_pool != vout->p->display_pool)
- render = picture_pool_Get(vout->p->display_pool);
- else
- render = picture_pool_Get(vout->p->private_pool);
-
- if (render) {
- picture_Copy(render, filtered);
-
- spu_RenderSubpictures(vout->p->p_spu,
- render, &vd->source,
- subpic, &vd->source, spu_render_time);
- }
- if (vout->p->is_decoder_pool_slow) {
- direct = picture_pool_Get(vout->p->display_pool);
- if (direct)
- picture_Copy(direct, render);
- picture_Release(render);
+ render = picture_pool_Get(vout->p->private_pool);
+
+ if (render) {
+ picture_Copy(render, filtered);
+
+ spu_RenderSubpictures(vout->p->p_spu,
+ render, &vd->source,
+ subpic, &vd->source, spu_render_time);
+ }
+ if (vout->p->is_decoder_pool_slow) {
+ direct = picture_pool_Get(vout->p->display_pool);
+ if (direct)
+ picture_Copy(direct, render);
+ picture_Release(render);
- } else {
- direct = render;
- }
- picture_Release(filtered);
- filtered = NULL;
} else {
- direct = filtered;
+ direct = render;
}
+ picture_Release(filtered);
+ filtered = NULL;
+ } else {
+ direct = filtered;
+ }
- /*
- * Take a snapshot if requested
- */
- if (direct && do_snapshot)
- vout_snapshot_Set(&vout->p->snapshot, &vd->source, direct);
+ if (!direct)
+ return VLC_EGENERIC;
+
+ /*
+ * Take a snapshot if requested
+ */
+ if (do_snapshot)
+ vout_snapshot_Set(&vout->p->snapshot, &vd->source, direct);
- /* Render the direct buffer returned by vout_RenderPicture */
- if (direct) {
- vout_RenderWrapper(vout, direct);
+ /* Render the direct buffer returned by vout_RenderPicture */
+ vout_RenderWrapper(vout, direct);
- vout_chrono_Stop(&vout->p->render);
+ vout_chrono_Stop(&vout->p->render);
#if 0
- {
- static int i = 0;
- if (((i++)%10) == 0)
- msg_Info(vout, "render: avg %d ms var %d ms",
- (int)(vout->p->render.avg/1000), (int)(vout->p->render.var/1000));
- }
+ {
+ static int i = 0;
+ if (((i++)%10) == 0)
+ msg_Info(vout, "render: avg %d ms var %d ms",
+ (int)(vout->p->render.avg/1000), (int)(vout->p->render.var/1000));
+ }
+#endif
+
+ /* Wait the real date (for rendering jitter) */
+#if 0
+ mtime_t delay = direct->date - mdate();
+ if (delay < 1000)
+ msg_Warn(vout, "picture is late (%lld ms)", delay / 1000);
#endif
+ if (!is_forced)
+ mwait(direct->date);
+
+ /* Display the direct buffer returned by vout_RenderPicture */
+ vout->p->displayed.date = mdate();
+
+ vout_DisplayWrapper(vout, direct);
+
+ vout_statistic_Update(&vout->p->statistic, 1, 0);
+
+ return VLC_SUCCESS;
+}
+
+static int ThreadDisplayPicture(vout_thread_t *vout,
+ bool now, mtime_t *deadline)
+{
+ bool is_late_dropped = vout->p->is_late_dropped && !vout->p->pause.is_on && !now;
+ bool first = !vout->p->displayed.current;
+ if (first && ThreadDisplayPreparePicture(vout, true, is_late_dropped)) /* FIXME not sure it is ok */
+ return VLC_EGENERIC;
+ if (!vout->p->pause.is_on || now) {
+ while (!vout->p->displayed.next) {
+ if (ThreadDisplayPreparePicture(vout, false, is_late_dropped)) {
+ break;
+ }
}
+ }
- /* Wait the real date (for rendering jitter) */
- if (!is_forced)
- mwait(direct->date);
+ const mtime_t date = mdate();
+ const mtime_t render_delay = vout_chrono_GetHigh(&vout->p->render) + VOUT_MWAIT_TOLERANCE;
- /* Display the direct buffer returned by vout_RenderPicture */
- vout->p->displayed.date = mdate();
- if (direct)
- vout_DisplayWrapper(vout, direct);
+ mtime_t date_next = VLC_TS_INVALID;
+ if (!vout->p->pause.is_on && vout->p->displayed.next)
+ date_next = vout->p->displayed.next->date - render_delay;
- displayed_count++;
- break;
+ /* FIXME/XXX we must redisplay the last decoded picture (because
+ * of potential vout updated, or filters update or SPU update)
+ * For now a high update period is needed but it coulmd be removed
+ * if and only if:
+ * - vout module emits events from theselves.
+ * - *and* SPU is modified to emit an event or a deadline when needed.
+ *
+ * So it will be done latter.
+ */
+ mtime_t date_refresh = VLC_TS_INVALID;
+ if (vout->p->displayed.date > VLC_TS_INVALID)
+ date_refresh = vout->p->displayed.date + VOUT_REDISPLAY_DELAY - render_delay;
+
+ bool drop = now;
+ if (date_next != VLC_TS_INVALID)
+ drop |= date_next + 0 <= date;
+
+ bool refresh = false;
+ if (date_refresh > VLC_TS_INVALID)
+ refresh = date_refresh <= date;
+
+ if (!first && !refresh && !drop) {
+ if (date_next != VLC_TS_INVALID && date_refresh != VLC_TS_INVALID)
+ *deadline = __MIN(date_next, date_refresh);
+ else if (date_next != VLC_TS_INVALID)
+ *deadline = date_next;
+ else if (date_refresh != VLC_TS_INVALID)
+ *deadline = date_refresh;
+ return VLC_EGENERIC;
}
- vout_statistic_Update(&vout->p->statistic, displayed_count, lost_count);
- if (displayed_count <= 0)
+ if (drop) {
+ picture_Release(vout->p->displayed.current);
+ vout->p->displayed.current = vout->p->displayed.next;
+ vout->p->displayed.next = NULL;
+ }
+ if (!vout->p->displayed.current)
return VLC_EGENERIC;
- return VLC_SUCCESS;
+
+ bool is_forced = now || (!drop && refresh) || vout->p->displayed.current->b_force;
+ return ThreadDisplayRenderPicture(vout, is_forced);
}
static void ThreadManage(vout_thread_t *vout,
vlc_mutex_lock(&vout->p->picture_lock);
*deadline = VLC_TS_INVALID;
- ThreadDisplayPicture(vout, false, deadline);
+ for (;;) {
+ if (ThreadDisplayPicture(vout, false, deadline))
+ break;
+ }
const int picture_qtype = vout->p->displayed.qtype;
const bool picture_interlaced = vout->p->displayed.is_interlaced;
string);
}
+static void ThreadFilterFlush(vout_thread_t *vout)
+{
+ if (vout->p->displayed.current)
+ picture_Release( vout->p->displayed.current );
+ vout->p->displayed.current = NULL;
+
+ if (vout->p->displayed.next)
+ picture_Release( vout->p->displayed.next );
+ vout->p->displayed.next = NULL;
+
+ vlc_mutex_lock(&vout->p->filter.lock);
+ filter_chain_VideoFlush(vout->p->filter.chain_static);
+ filter_chain_VideoFlush(vout->p->filter.chain_interactive);
+ vlc_mutex_unlock(&vout->p->filter.lock);
+}
+
typedef struct {
char *name;
config_chain_t *cfg;
static void ThreadChangeFilters(vout_thread_t *vout, const char *filters)
{
+ ThreadFilterFlush(vout);
+
vlc_array_t array_static;
vlc_array_t array_interactive;
}
vlc_mutex_unlock(&vout->p->filter.lock);
-
- vout->p->filter.delay_index = 0;
- for (int i = 0; i < VOUT_FILTER_DELAYS; i++)
- vout->p->filter.delay[i] = 0;
}
static void ThreadChangeSubFilters(vout_thread_t *vout, const char *filters)
spu_ChangeMargin(vout->p->p_spu, margin);
}
-static void ThreadFilterFlush(vout_thread_t *vout)
-{
- vlc_mutex_lock(&vout->p->filter.lock);
- filter_chain_VideoFlush(vout->p->filter.chain_static);
- filter_chain_VideoFlush(vout->p->filter.chain_interactive);
- vlc_mutex_unlock(&vout->p->filter.lock);
-}
-
static void ThreadChangePause(vout_thread_t *vout, bool is_paused, mtime_t date)
{
assert(!vout->p->pause.is_on || !is_paused);
picture_fifo_OffsetDate(vout->p->decoder_fifo, duration);
if (vout->p->displayed.decoded)
vout->p->displayed.decoded->date += duration;
-
spu_OffsetSubtitleDate(vout->p->p_spu, duration);
ThreadFilterFlush(vout);
vout->p->step.timestamp = VLC_TS_INVALID;
vout->p->step.last = VLC_TS_INVALID;
+ ThreadFilterFlush(vout); /* FIXME too much */
+
picture_t *last = vout->p->displayed.decoded;
if (last) {
if (( below && last->date <= date) ||
vout->p->displayed.timestamp = VLC_TS_INVALID;
}
}
- ThreadFilterFlush(vout);
picture_fifo_Flush(vout->p->decoder_fifo, date, below);
}
filter_chain_New( vout, "video filter2", false,
VoutVideoFilterInteractiveAllocationSetup, NULL, vout);
- vout->p->filter.delay_index = 0;
- for (int i = 0; i < VOUT_FILTER_DELAYS; i++)
- vout->p->filter.delay[i] = 0;
-
vout_display_state_t state_default;
if (!state) {
VoutGetDisplayCfg(vout, &state_default.cfg, vout->p->display.title);
return VLC_EGENERIC;
assert(vout->p->decoder_pool);
+ vout->p->displayed.current = NULL;
+ vout->p->displayed.next = NULL;
vout->p->displayed.decoded = NULL;
vout->p->displayed.date = VLC_TS_INVALID;
- vout->p->displayed.decoded = NULL;
vout->p->displayed.timestamp = VLC_TS_INVALID;
vout->p->displayed.qtype = QTYPE_NONE;
vout->p->displayed.is_interlaced = false;