Fix typo in log message.
[dcpomatic.git] / src / lib / ffmpeg_decoder.cc
index d49878217338fb40e29eab6892b62d44c788ef9d..ba96d71ff5da78a9fe084d1bd56bbb2d82be56d4 100644 (file)
@@ -93,8 +93,10 @@ FFmpegDecoder::FFmpegDecoder (shared_ptr<const Film> film, shared_ptr<const FFmp
        }
 
        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()) {
@@ -144,7 +146,7 @@ FFmpegDecoder::flush ()
                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;
                }
        }
@@ -450,6 +452,8 @@ FFmpegDecoder::process_audio_frame (shared_ptr<FFmpegAudioStream> stream)
        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
@@ -462,8 +466,16 @@ FFmpegDecoder::process_audio_frame (shared_ptr<FFmpegAudioStream> stream)
        } 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());
@@ -483,7 +495,7 @@ FFmpegDecoder::process_audio_frame (shared_ptr<FFmpegAudioStream> stream)
                        data->frames(),
                        stream->id(),
                        frame->best_effort_timestamp,
-                       av_q2d(stream->stream(_format_context)->time_base),
+                       av_q2d(time_base),
                        to_string(_pts_offset)
                        );
        }
@@ -506,6 +518,7 @@ FFmpegDecoder::decode_and_process_audio_packet (AVPacket* packet)
        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);
@@ -514,6 +527,7 @@ FFmpegDecoder::decode_and_process_audio_packet (AVPacket* packet)
                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;
                }
 
@@ -644,6 +658,7 @@ FFmpegDecoder::decode_and_process_subtitle_packet (AVPacket* packet)
                _have_current_subtitle = true;
        }
 
+       ContentBitmapText bitmap_text(from);
        for (unsigned int i = 0; i < sub.num_rects; ++i) {
                auto const rect = sub.rects[i];
 
@@ -651,7 +666,7 @@ FFmpegDecoder::decode_and_process_subtitle_packet (AVPacket* packet)
                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";
@@ -662,6 +677,10 @@ FFmpegDecoder::decode_and_process_subtitle_packet (AVPacket* packet)
                }
        }
 
+       if (!bitmap_text.subs.empty()) {
+               only_text()->emit_bitmap_start(bitmap_text);
+       }
+
        if (_current_subtitle_to) {
                only_text()->emit_stop (*_current_subtitle_to);
        }
@@ -670,8 +689,8 @@ FFmpegDecoder::decode_and_process_subtitle_packet (AVPacket* packet)
 }
 
 
-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.
@@ -754,7 +773,7 @@ FFmpegDecoder::process_bitmap_subtitle (AVSubtitleRect const * rect, ContentTime
                static_cast<double>(rect->h) / target_height
                );
 
-       only_text()->emit_bitmap_start (from, image, scaled_rect);
+       return { image, scaled_rect };
 }
 
 
@@ -784,7 +803,8 @@ FFmpegDecoder::process_ass_subtitle (string ass, ContentTime from)
                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)) {