static bool swap_frame(uint64_t timestamp)
{
struct obs_video *video = &obs->video;
stagesurf_t last_surface = video->copy_surfaces[video->cur_texture];
stagesurf_t surface;
struct video_frame frame;
/* the last frame stays mapped until rendering starts with the next */
if (video->copy_mapped) {
stagesurface_unmap(last_surface);
video->copy_mapped = false;
}
video->textures_copied[video->cur_texture] = true;
/* TODO: texture staging */
//gs_stage_texture(last_surface, );
if (++video->cur_texture == NUM_TEXTURES)
video->cur_texture = 0;
if (video->textures_copied[video->cur_texture]) {
surface = video->copy_surfaces[video->cur_texture];
video->copy_mapped = stagesurface_map(surface, &frame.data,
&frame.row_size);
if (video->copy_mapped) {
frame.timestamp = timestamp;
video_output_frame(video->video, &frame);
}
}
return video->copy_mapped;
}
static inline bool download_frame(struct obs_core_video *video,
int prev_texture, struct video_data *frame)
{
stagesurf_t surface = video->copy_surfaces[prev_texture];
if (!video->textures_copied[prev_texture])
return false;
if (!stagesurface_map(surface, &frame->data[0], &frame->linesize[0]))
return false;
video->mapped_surface = surface;
return true;
}
