}
if (c->only_text()) {
- /* XXX: this time here should be the time of the first subtitle, not 0 */
- text.push_back (make_shared<TextDecoder>(this, c->only_text(), ContentTime()));
+ text.push_back (make_shared<TextDecoder>(this, c->only_text()));
+ /* XXX: we should be calling maybe_set_position() on this TextDecoder, but we can't easily find
+ * the time of the first subtitle at this point.
+ */
}
for (auto i: c->ffmpeg_audio_streams()) {
auto const f = full_length.frames_round (vfr);
auto v = video->position(film()).get_value_or(ContentTime()).frames_round(vfr) + 1;
while (v < f) {
- video->emit (film(), shared_ptr<const ImageProxy> (new RawImageProxy (_black_image)), v);
+ video->emit (film(), make_shared<const RawImageProxy>(_black_image), v);
++v;
}
}
auto frame = audio_frame (stream);
auto data = deinterleave_audio (frame);
+ auto const time_base = stream->stream(_format_context)->time_base;
+
ContentTime ct;
if (frame->pts == AV_NOPTS_VALUE) {
/* In some streams we see not every frame coming through with a timestamp; for those
} else {
ct = ContentTime::from_seconds (
frame->best_effort_timestamp *
- av_q2d (stream->stream(_format_context)->time_base))
+ av_q2d(time_base))
+ _pts_offset;
+ LOG_DEBUG_PLAYER(
+ "Process audio with timestamp %1 (BET %2, timebase %3/%4, (PTS offset %5)",
+ to_string(ct),
+ frame->best_effort_timestamp,
+ time_base.num,
+ time_base.den,
+ to_string(_pts_offset)
+ );
}
_next_time[stream] = ct + ContentTime::from_frames(data->frames(), stream->frame_rate());
data->frames(),
stream->id(),
frame->best_effort_timestamp,
- av_q2d(stream->stream(_format_context)->time_base),
+ av_q2d(time_base),
to_string(_pts_offset)
);
}
auto context = _codec_context[stream->index(_format_context)];
auto frame = audio_frame (stream);
+ LOG_DEBUG_PLAYER("Send audio packet on stream %1", stream->index(_format_context));
int r = avcodec_send_packet (context, packet);
if (r < 0) {
LOG_WARNING("avcodec_send_packet returned %1 for an audio packet", r);
r = avcodec_receive_frame (context, frame);
if (r == AVERROR(EAGAIN)) {
/* More input is required */
+ LOG_DEBUG_PLAYER_NC("EAGAIN after trying to receive audio frame");
return;
}
auto context = video_codec_context();
- int r = avcodec_send_packet (context, packet);
- if (r < 0) {
- LOG_WARNING("avcodec_send_packet returned %1 for a video packet", r);
- }
+ bool pending = false;
+ do {
+ int r = avcodec_send_packet (context, packet);
+ if (r < 0) {
+ LOG_WARNING("avcodec_send_packet returned %1 for a video packet", r);
+ }
- r = avcodec_receive_frame (context, _video_frame);
- if (r == AVERROR(EAGAIN) || r == AVERROR_EOF || (r < 0 && !packet)) {
- /* More input is required, no more frames are coming, or we are flushing and there was
- * some error which we just want to ignore.
- */
- return false;
- } else if (r < 0) {
- throw DecodeError (N_("avcodec_receive_frame"), N_("FFmpeg::decode_and_process_video_packet"), r);
- }
+ /* EAGAIN means we should call avcodec_receive_frame and then re-send the same packet */
+ pending = r == AVERROR(EAGAIN);
+
+ while (true) {
+ r = avcodec_receive_frame (context, _video_frame);
+ if (r == AVERROR(EAGAIN) || r == AVERROR_EOF || (r < 0 && !packet)) {
+ /* More input is required, no more frames are coming, or we are flushing and there was
+ * some error which we just want to ignore.
+ */
+ return false;
+ } else if (r < 0) {
+ throw DecodeError (N_("avcodec_receive_frame"), N_("FFmpeg::decode_and_process_video_packet"), r);
+ }
- /* We assume we'll only get one frame here, which I think is safe */
+ process_video_frame ();
+ }
+ } while (pending);
+ return true;
+}
+
+
+void
+FFmpegDecoder::process_video_frame ()
+{
boost::mutex::scoped_lock lm (_filter_graphs_mutex);
shared_ptr<VideoFilterGraph> graph;
LOG_WARNING_NC ("Dropping frame without PTS");
}
}
-
- return true;
}
_have_current_subtitle = true;
}
+ ContentBitmapText bitmap_text(from);
for (unsigned int i = 0; i < sub.num_rects; ++i) {
auto const rect = sub.rects[i];
case SUBTITLE_NONE:
break;
case SUBTITLE_BITMAP:
- process_bitmap_subtitle (rect, from);
+ bitmap_text.subs.push_back(process_bitmap_subtitle(rect));
break;
case SUBTITLE_TEXT:
cout << "XXX: SUBTITLE_TEXT " << rect->text << "\n";
}
}
+ if (!bitmap_text.subs.empty()) {
+ only_text()->emit_bitmap_start(bitmap_text);
+ }
+
if (_current_subtitle_to) {
only_text()->emit_stop (*_current_subtitle_to);
}
}
-void
-FFmpegDecoder::process_bitmap_subtitle (AVSubtitleRect const * rect, ContentTime from)
+BitmapText
+FFmpegDecoder::process_bitmap_subtitle (AVSubtitleRect const * rect)
{
/* Note BGRA is expressed little-endian, so the first byte in the word is B, second
G, third R, fourth A.
static_cast<double>(rect->h) / target_height
);
- only_text()->emit_bitmap_start (from, image, scaled_rect);
+ return { image, scaled_rect };
}
base,
text,
_ffmpeg_content->video->size().width,
- _ffmpeg_content->video->size().height
+ _ffmpeg_content->video->size().height,
+ sub::Colour(1, 1, 1)
);
for (auto const& i: sub::collect<vector<sub::Subtitle>>(raw)) {