static bool video_frame(struct ff_frame *frame, void *opaque)
{
struct ffmpeg_source *s = opaque;
struct obs_source_frame obs_frame = {0};
uint64_t pts;
// Media ended
if (frame == NULL) {
if (s->is_clear_on_media_end)
obs_source_output_video(s->source, NULL);
return true;
}
pts = (uint64_t)(frame->pts * 1000000000.0L);
obs_frame.timestamp = pts;
obs_frame.width = frame->frame->width;
obs_frame.height = frame->frame->height;
enum video_format format =
ffmpeg_to_obs_video_format(frame->frame->format);
if (s->is_forcing_scale || format == VIDEO_FORMAT_NONE)
return video_frame_scale(frame, s, &obs_frame);
else if (s->is_hw_decoding)
return video_frame_hwaccel(frame, s, &obs_frame);
else
return video_frame_direct(frame, s, &obs_frame);
}
static bool set_obs_frame_colorprops(struct ff_frame *frame,
struct ffmpeg_source *s, struct obs_source_frame *obs_frame)
{
enum AVColorSpace frame_cs = av_frame_get_colorspace(frame->frame);
enum video_colorspace obs_cs;
switch(frame_cs) {
case AVCOL_SPC_BT709: obs_cs = VIDEO_CS_709; break;
case AVCOL_SPC_SMPTE170M:
case AVCOL_SPC_BT470BG: obs_cs = VIDEO_CS_601; break;
case AVCOL_SPC_UNSPECIFIED: obs_cs = VIDEO_CS_DEFAULT; break;
default:
FF_BLOG(LOG_WARNING, "frame using an unsupported colorspace %d",
frame_cs);
obs_cs = VIDEO_CS_DEFAULT;
}
enum video_range_type range;
obs_frame->format = ffmpeg_to_obs_video_format(frame->frame->format);
obs_frame->full_range =
frame->frame->color_range == AVCOL_RANGE_JPEG;
if (s->range != VIDEO_RANGE_DEFAULT)
obs_frame->full_range = s->range == VIDEO_RANGE_FULL;
range = obs_frame->full_range ? VIDEO_RANGE_FULL : VIDEO_RANGE_PARTIAL;
if (!video_format_get_parameters(obs_cs,
range, obs_frame->color_matrix,
obs_frame->color_range_min,
obs_frame->color_range_max)) {
FF_BLOG(LOG_ERROR, "Failed to get video format "
"parameters for video format %u",
obs_cs);
return false;
}
return true;
}
