int mpv_opengl_cb_init_gl(struct mpv_opengl_cb_context *ctx, const char *exts,
mpv_opengl_cb_get_proc_address_fn get_proc_address,
void *get_proc_address_ctx)
{
if (ctx->renderer)
return MPV_ERROR_INVALID_PARAMETER;
mpgl_load_functions2(ctx->gl, get_proc_address, get_proc_address_ctx,
exts, ctx->log);
ctx->renderer = gl_video_init(ctx->gl, ctx->log, ctx->osd);
if (!ctx->renderer)
return MPV_ERROR_UNSUPPORTED;
ctx->hwdec = gl_hwdec_load_api(ctx->log, ctx->gl, ctx->hwapi, &ctx->hwdec_info);
gl_video_set_hwdec(ctx->renderer, ctx->hwdec);
pthread_mutex_lock(&ctx->lock);
for (int n = IMGFMT_START; n < IMGFMT_END; n++) {
ctx->imgfmt_supported[n - IMGFMT_START] =
gl_video_check_format(ctx->renderer, n);
}
ctx->initialized = true;
pthread_mutex_unlock(&ctx->lock);
gl_video_unset_gl_state(ctx->renderer);
return 0;
}
int mpv_opengl_cb_init_gl(struct mpv_opengl_cb_context *ctx, const char *exts,
mpv_opengl_cb_get_proc_address_fn get_proc_address,
void *get_proc_address_ctx)
{
if (ctx->renderer)
return MPV_ERROR_INVALID_PARAMETER;
ctx->gl = talloc_zero(ctx, GL);
mpgl_load_functions2(ctx->gl, get_proc_address, get_proc_address_ctx,
exts, ctx->log);
ctx->renderer = gl_video_init(ctx->gl, ctx->log, ctx->global);
if (!ctx->renderer)
return MPV_ERROR_UNSUPPORTED;
ctx->hwdec = gl_hwdec_load_api_id(ctx->log, ctx->gl, ctx->global,
ctx->hwdec_api);
gl_video_set_hwdec(ctx->renderer, ctx->hwdec);
if (ctx->hwdec)
ctx->hwdec_info.hwctx = ctx->hwdec->hwctx;
pthread_mutex_lock(&ctx->lock);
// We don't know the exact caps yet - use a known superset
ctx->eq.capabilities = MP_CSP_EQ_CAPS_GAMMA | MP_CSP_EQ_CAPS_BRIGHTNESS |
MP_CSP_EQ_CAPS_COLORMATRIX;
ctx->eq_changed = true;
for (int n = IMGFMT_START; n < IMGFMT_END; n++) {
ctx->imgfmt_supported[n - IMGFMT_START] =
gl_video_check_format(ctx->renderer, n);
}
ctx->initialized = true;
pthread_mutex_unlock(&ctx->lock);
gl_video_unset_gl_state(ctx->renderer);
return 0;
}
int mpv_opengl_cb_render(struct mpv_opengl_cb_context *ctx, int fbo, int vp[4])
{
assert(ctx->renderer);
gl_video_set_gl_state(ctx->renderer);
pthread_mutex_lock(&ctx->lock);
struct vo *vo = ctx->active;
ctx->force_update |= ctx->reconfigured;
int h = vp[3];
bool flip = h < 0 && h > INT_MIN;
if (flip)
h = -h;
struct mp_rect wnd = {vp[0], vp[1], vp[0] + vp[2], vp[1] + h};
if (wnd.x0 != ctx->wnd.x0 || wnd.y0 != ctx->wnd.y0 ||
wnd.x1 != ctx->wnd.x1 || wnd.y1 != ctx->wnd.y1 ||
ctx->flip != flip)
ctx->force_update = true;
if (ctx->force_update && vo) {
ctx->force_update = false;
ctx->wnd = wnd;
struct mp_rect src, dst;
struct mp_osd_res osd;
mp_get_src_dst_rects(ctx->log, &ctx->vo_opts, vo->driver->caps,
&ctx->img_params, wnd.x1 - wnd.x0, wnd.y1 - wnd.y0,
1.0, &src, &dst, &osd);
gl_video_resize(ctx->renderer, &wnd, &src, &dst, &osd, !ctx->flip);
}
if (vo) {
struct vo_priv *p = vo->priv;
if (ctx->reconfigured)
gl_video_config(ctx->renderer, &ctx->img_params);
if (ctx->reconfigured || ctx->update_new_opts) {
struct vo_priv *opts = p->ctx->new_opts ? p->ctx->new_opts : p;
gl_video_set_options(ctx->renderer, opts->renderer_opts);
ctx->gl->debug_context = opts->use_gl_debug;
gl_video_set_debug(ctx->renderer, opts->use_gl_debug);
}
ctx->reconfigured = false;
ctx->update_new_opts = false;
}
struct mp_image *mpi = ctx->next_frame;
ctx->next_frame = NULL;
pthread_mutex_unlock(&ctx->lock);
if (mpi)
gl_video_upload_image(ctx->renderer, mpi);
gl_video_render_frame(ctx->renderer, fbo);
gl_video_unset_gl_state(ctx->renderer);
return 0;
}
int mpv_opengl_cb_draw(mpv_opengl_cb_context *ctx, int fbo, int vp_w, int vp_h)
{
assert(ctx->renderer);
gl_video_set_gl_state(ctx->renderer);
pthread_mutex_lock(&ctx->lock);
struct vo *vo = ctx->active;
ctx->force_update |= ctx->reconfigured;
if (ctx->vp_w != vp_w || ctx->vp_h != vp_h)
ctx->force_update = true;
if (ctx->force_update && vo) {
ctx->force_update = false;
ctx->vp_w = vp_w;
ctx->vp_h = vp_h;
struct mp_rect src, dst;
struct mp_osd_res osd;
mp_get_src_dst_rects(ctx->log, &ctx->vo_opts, vo->driver->caps,
&ctx->img_params, vp_w, abs(vp_h),
1.0, &src, &dst, &osd);
gl_video_resize(ctx->renderer, vp_w, vp_h, &src, &dst, &osd);
}
if (ctx->reconfigured) {
gl_video_set_osd_source(ctx->renderer, vo ? vo->osd : NULL);
gl_video_config(ctx->renderer, &ctx->img_params);
}
if (ctx->update_new_opts) {
struct vo_priv *p = vo ? vo->priv : NULL;
struct vo_priv *opts = ctx->new_opts ? ctx->new_opts : p;
if (opts) {
gl_video_set_options(ctx->renderer, opts->renderer_opts, NULL);
ctx->gl->debug_context = opts->use_gl_debug;
gl_video_set_debug(ctx->renderer, opts->use_gl_debug);
frame_queue_shrink(ctx, opts->frame_queue_size);
}
}
ctx->reconfigured = false;
ctx->update_new_opts = false;
struct mp_csp_equalizer *eq = gl_video_eq_ptr(ctx->renderer);
if (ctx->eq_changed) {
memcpy(eq->values, ctx->eq.values, sizeof(eq->values));
gl_video_eq_update(ctx->renderer);
}
ctx->eq_changed = false;
ctx->eq = *eq;
struct mp_image *mpi = frame_queue_pop(ctx);
pthread_mutex_unlock(&ctx->lock);
if (mpi)
gl_video_set_image(ctx->renderer, mpi);
gl_video_render_frame(ctx->renderer, fbo, NULL);
gl_video_unset_gl_state(ctx->renderer);
pthread_mutex_lock(&ctx->lock);
const int left = ctx->queued_frames;
if (vo && left > 0)
update(vo->priv);
pthread_mutex_unlock(&ctx->lock);
return left;
}
int mpv_opengl_cb_draw(mpv_opengl_cb_context *ctx, int fbo, int vp_w, int vp_h)
{
assert(ctx->renderer);
gl_video_set_gl_state(ctx->renderer);
pthread_mutex_lock(&ctx->lock);
struct vo *vo = ctx->active;
ctx->force_update |= ctx->reconfigured;
if (ctx->vp_w != vp_w || ctx->vp_h != vp_h)
ctx->force_update = true;
if (ctx->force_update && vo) {
ctx->force_update = false;
ctx->vp_w = vp_w;
ctx->vp_h = vp_h;
struct mp_rect src, dst;
struct mp_osd_res osd;
mp_get_src_dst_rects(ctx->log, &ctx->vo_opts, vo->driver->caps,
&ctx->img_params, vp_w, abs(vp_h),
1.0, &src, &dst, &osd);
gl_video_resize(ctx->renderer, vp_w, vp_h, &src, &dst, &osd);
}
if (ctx->reconfigured) {
gl_video_set_osd_source(ctx->renderer, vo ? vo->osd : NULL);
gl_video_config(ctx->renderer, &ctx->img_params);
ctx->eq_changed = true;
}
if (ctx->update_new_opts) {
struct vo_priv *p = vo ? vo->priv : NULL;
struct vo_priv *opts = ctx->new_opts ? ctx->new_opts : p;
if (opts) {
gl_video_set_options(ctx->renderer, opts->renderer_opts);
if (vo)
gl_video_configure_queue(ctx->renderer, vo);
ctx->gl->debug_context = opts->use_gl_debug;
gl_video_set_debug(ctx->renderer, opts->use_gl_debug);
}
}
ctx->reconfigured = false;
ctx->update_new_opts = false;
if (ctx->reset) {
gl_video_reset(ctx->renderer);
ctx->reset = false;
if (ctx->cur_frame)
ctx->cur_frame->still = true;
}
struct mp_csp_equalizer *eq = gl_video_eq_ptr(ctx->renderer);
if (ctx->eq_changed) {
memcpy(eq->values, ctx->eq.values, sizeof(eq->values));
gl_video_eq_update(ctx->renderer);
}
ctx->eq_changed = false;
struct vo_frame *frame = ctx->next_frame;
int64_t wait_present_count = ctx->present_count;
if (frame) {
ctx->next_frame = NULL;
wait_present_count += 1;
pthread_cond_signal(&ctx->wakeup);
talloc_free(ctx->cur_frame);
ctx->cur_frame = vo_frame_ref(frame);
} else {
frame = vo_frame_ref(ctx->cur_frame);
if (frame)
frame->redraw = true;
MP_STATS(ctx, "glcb-noframe");
}
struct vo_frame dummy = {0};
if (!frame)
frame = &dummy;
pthread_mutex_unlock(&ctx->lock);
MP_STATS(ctx, "glcb-render");
gl_video_render_frame(ctx->renderer, frame, fbo);
gl_video_unset_gl_state(ctx->renderer);
if (frame != &dummy)
talloc_free(frame);
pthread_mutex_lock(&ctx->lock);
while (wait_present_count > ctx->present_count)
pthread_cond_wait(&ctx->wakeup, &ctx->lock);
pthread_mutex_unlock(&ctx->lock);
return 0;
}
int mpv_opengl_cb_draw(mpv_opengl_cb_context *ctx, int fbo, int vp_w, int vp_h)
{
assert(ctx->renderer);
gl_video_set_gl_state(ctx->renderer);
pthread_mutex_lock(&ctx->lock);
struct vo *vo = ctx->active;
ctx->force_update |= ctx->reconfigured;
if (ctx->vp_w != vp_w || ctx->vp_h != vp_h)
ctx->force_update = true;
if (ctx->force_update && vo) {
ctx->force_update = false;
ctx->vp_w = vp_w;
ctx->vp_h = vp_h;
struct mp_rect src, dst;
struct mp_osd_res osd;
mp_get_src_dst_rects(ctx->log, &ctx->vo_opts, vo->driver->caps,
&ctx->img_params, vp_w, abs(vp_h),
1.0, &src, &dst, &osd);
gl_video_resize(ctx->renderer, vp_w, vp_h, &src, &dst, &osd);
}
if (ctx->reconfigured) {
gl_video_set_osd_source(ctx->renderer, vo ? vo->osd : NULL);
gl_video_config(ctx->renderer, &ctx->img_params);
}
if (ctx->update_new_opts) {
struct vo_priv *p = vo ? vo->priv : NULL;
struct vo_priv *opts = ctx->new_opts ? ctx->new_opts : p;
if (opts) {
int queue = 0;
gl_video_set_options(ctx->renderer, opts->renderer_opts, &queue);
ctx->vsync_timed = opts->renderer_opts->interpolation;
if (ctx->vsync_timed)
queue += 0.050 * 1e6; // disable video timing
vo_set_flip_queue_params(vo, queue, false);
ctx->gl->debug_context = opts->use_gl_debug;
gl_video_set_debug(ctx->renderer, opts->use_gl_debug);
frame_queue_shrink(ctx, opts->frame_queue_size);
}
}
ctx->reconfigured = false;
ctx->update_new_opts = false;
struct mp_csp_equalizer *eq = gl_video_eq_ptr(ctx->renderer);
if (ctx->eq_changed) {
memcpy(eq->values, ctx->eq.values, sizeof(eq->values));
gl_video_eq_update(ctx->renderer);
}
ctx->eq_changed = false;
ctx->eq = *eq;
struct mp_image *mpi = frame_queue_pop(ctx);
if (mpi) {
struct frame_timing *t = mpi->priv; // set by draw_image_timed
if (t)
ctx->cur_pts = t->pts;
}
struct frame_timing timing = {
.pts = ctx->cur_pts,
};
if (ctx->approx_vsync > 0) {
timing.prev_vsync = prev_sync(ctx, mp_time_us());
timing.next_vsync = timing.prev_vsync + ctx->approx_vsync;
}
pthread_mutex_unlock(&ctx->lock);
if (mpi)
gl_video_set_image(ctx->renderer, mpi);
gl_video_render_frame(ctx->renderer, fbo, timing.pts ? &timing : NULL);
gl_video_unset_gl_state(ctx->renderer);
pthread_mutex_lock(&ctx->lock);
const int left = ctx->queued_frames;
if (vo && (left > 0 || ctx->vsync_timed))
update(vo->priv);
pthread_mutex_unlock(&ctx->lock);
return left;
}
int mpv_opengl_cb_report_flip(mpv_opengl_cb_context *ctx, int64_t time)
{
pthread_mutex_lock(&ctx->lock);
int64_t next = time > 0 ? time : mp_time_us();
if (ctx->recent_flip)
ctx->approx_vsync = next - ctx->recent_flip;
ctx->recent_flip = next;
pthread_mutex_unlock(&ctx->lock);
return 0;
}