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vo_libmpv: always create ctx->dispatch 

Preparation for the next commit. Until now, it was only needed if DR was
involved. One reason for not always creating it was that you normally
must not use it if advanced_control is not enabled. This is why e.g.
VOCTRL_SCREENSHOT now checks for that variable; it still can't use
ctx->dispatch if the render API user did not enable it.
This commit is contained in:
wm4 2019-09-20 14:52:49 +02:00
parent 35da5a4d8e
commit d12264acc0
1 changed files with 12 additions and 19 deletions
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31
video/out/vo_libmpv.c
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@ -59,8 +59,8 @@ struct mpv_render_context {
atomic_bool in_use;
// --- Immutable after init
struct mp_dispatch_queue *dispatch;
bool advanced_control;
struct mp_dispatch_queue *dispatch; // NULL if advanced_control disabled
struct dr_helper *dr; // NULL if advanced_control disabled
pthread_mutex_t control_lock;
@ -174,11 +174,11 @@ int mpv_render_context_create(mpv_render_context **res, mpv_handle *mpv,
ctx->vo_opts_cache = m_config_cache_alloc(ctx, ctx->global, &vo_sub_opts);
ctx->vo_opts = ctx->vo_opts_cache->opts;
if (GET_MPV_RENDER_PARAM(params, MPV_RENDER_PARAM_ADVANCED_CONTROL, int, 0)) {
ctx->dispatch = mp_dispatch_create(ctx);
mp_dispatch_set_wakeup_fn(ctx->dispatch, dispatch_wakeup, ctx);
if (GET_MPV_RENDER_PARAM(params, MPV_RENDER_PARAM_ADVANCED_CONTROL, int, 0))
ctx->advanced_control = true;
ctx->dispatch = mp_dispatch_create(ctx);
mp_dispatch_set_wakeup_fn(ctx->dispatch, dispatch_wakeup, ctx);
}
int err = MPV_ERROR_NOT_IMPLEMENTED;
for (int n = 0; render_backends[n]; n++) {
@ -210,7 +210,7 @@ int mpv_render_context_create(mpv_render_context **res, mpv_handle *mpv,
ctx->renderer->fns->check_format(ctx->renderer, n);
}
if (ctx->renderer->fns->get_image && ctx->dispatch)
if (ctx->renderer->fns->get_image && ctx->advanced_control)
ctx->dr = dr_helper_create(ctx->dispatch, render_get_image, ctx);
if (!mp_set_main_render_context(ctx->client_api, ctx, true)) {
@ -282,8 +282,7 @@ void mpv_render_context_free(mpv_render_context *ctx)
assert(!ctx->vo);
// Possibly remaining outstanding work.
if (ctx->dispatch)
mp_dispatch_queue_process(ctx->dispatch, 0);
mp_dispatch_queue_process(ctx->dispatch, 0);
forget_frames(ctx, true);
@ -420,8 +419,7 @@ uint64_t mpv_render_context_update(mpv_render_context *ctx)
{
uint64_t res = 0;
if (ctx->dispatch)
mp_dispatch_queue_process(ctx->dispatch, 0);
mp_dispatch_queue_process(ctx->dispatch, 0);
pthread_mutex_lock(&ctx->lock);
if (ctx->next_frame)
@ -611,20 +609,15 @@ static int control(struct vo *vo, uint32_t request, void *data)
}
// VOCTRLs to be run on the renderer thread (if possible at all).
switch (request) {
case VOCTRL_SCREENSHOT:
if (ctx->dispatch) {
if (ctx->advanced_control) {
switch (request) {
case VOCTRL_SCREENSHOT:
case VOCTRL_PERFORMANCE_DATA: {
int ret;
void *args[] = {ctx, (void *)(intptr_t)request, data, &ret};
mp_dispatch_run(ctx->dispatch, run_control_on_render_thread, args);
return ret;
}
case VOCTRL_PERFORMANCE_DATA:
if (ctx->dispatch) {
int ret;
void *args[] = {ctx, (void *)(intptr_t)request, data, &ret};
mp_dispatch_run(ctx->dispatch, run_control_on_render_thread, args);
return ret;
}
}