Assorted C++11 tidying.

[dcpomatic.git] / src / lib / ffmpeg_file_encoder.cc

diff --git a/src/lib/ffmpeg_file_encoder.cc b/src/lib/ffmpeg_file_encoder.cc
index 0378f5156b78afb0b99f72e08dabf1899a77a1cd..782df4d20bfad835865b0dd561db4b2fb01d4e69 100644 (file)
--- a/src/lib/ffmpeg_file_encoder.cc
+++ b/src/lib/ffmpeg_file_encoder.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2017-2018 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2017-2021 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -18,6 +18,7 @@
 
 */
 
+
 #include "ffmpeg_encoder.h"
 #include "film.h"
 #include "job.h"
@@ -31,24 +32,27 @@
 
 #include "i18n.h"
 
-using std::string;
-using std::runtime_error;
+
 using std::cout;
+using std::make_shared;
 using std::pair;
+using std::runtime_error;
 using std::shared_ptr;
-using boost::bind;
+using std::string;
 using std::weak_ptr;
+using boost::bind;
 using boost::optional;
 using namespace dcpomatic;
 #if BOOST_VERSION >= 106100
 using namespace boost::placeholders;
 #endif
 
+
 int FFmpegFileEncoder::_video_stream_index = 0;
 int FFmpegFileEncoder::_audio_stream_index_base = 1;
 
 
-class ExportAudioStream : public boost::noncopyable
+class ExportAudioStream
 {
 public:
        ExportAudioStream (string codec_name, int channels, int frame_rate, AVSampleFormat sample_format, AVFormatContext* format_context, int stream_index)
@@ -98,6 +102,9 @@ DCPOMATIC_ENABLE_WARNINGS
                avcodec_close (_codec_context);
        }
 
+       ExportAudioStream (ExportAudioStream const&) = delete;
+       ExportAudioStream& operator= (ExportAudioStream const&) = delete;
+
        int frame_size () const {
                return _codec_context->frame_size;
        }
@@ -128,13 +135,13 @@ DCPOMATIC_ENABLE_WARNINGS
        {
                DCPOMATIC_ASSERT (size);
 
-               AVFrame* frame = av_frame_alloc ();
+               auto frame = av_frame_alloc ();
                DCPOMATIC_ASSERT (frame);
 
                int const buffer_size = av_samples_get_buffer_size (0, channels, size, _codec_context->sample_fmt, 0);
                DCPOMATIC_ASSERT (buffer_size >= 0);
 
-               void* samples = av_malloc (buffer_size);
+               auto samples = av_malloc (buffer_size);
                DCPOMATIC_ASSERT (samples);
 
                frame->nb_samples = size;
@@ -220,13 +227,11 @@ FFmpegFileEncoder::FFmpegFileEncoder (
        boost::filesystem::path output
        )
        : _audio_stream_per_channel (audio_stream_per_channel)
-       , _video_options (0)
        , _audio_channels (channels)
        , _output (output)
        , _video_frame_size (video_frame_size)
        , _video_frame_rate (video_frame_rate)
        , _audio_frame_rate (audio_frame_rate)
-       , _audio_frames (0)
 {
        _pixel_format = pixel_format (format);
 
@@ -267,7 +272,7 @@ FFmpegFileEncoder::FFmpegFileEncoder (
                throw runtime_error (String::compose("could not open FFmpeg output file %1 (%2)", _output.string(), r));
        }
 
-       AVDictionary* options = 0;
+       AVDictionary* options = nullptr;
 
        if (avformat_write_header (_format_context, &options) < 0) {
                throw runtime_error ("could not write header to FFmpeg output file");
@@ -301,6 +306,7 @@ FFmpegFileEncoder::pixel_format (ExportFormat format)
        return AV_PIX_FMT_YUV422P10;
 }
 
+
 void
 FFmpegFileEncoder::setup_video ()
 {
@@ -348,8 +354,8 @@ FFmpegFileEncoder::setup_audio ()
 
        for (int i = 0; i < streams; ++i) {
                _audio_streams.push_back(
-                       shared_ptr<ExportAudioStream>(
-                               new ExportAudioStream(_audio_codec_name, channels_per_stream, _audio_frame_rate, _sample_format, _format_context, _audio_stream_index_base + i)
+                       make_shared<ExportAudioStream>(
+                               _audio_codec_name, channels_per_stream, _audio_frame_rate, _sample_format, _format_context, _audio_stream_index_base + i
                                )
                        );
        }
@@ -395,6 +401,7 @@ DCPOMATIC_ENABLE_WARNINGS
        av_write_trailer (_format_context);
 }
 
+
 void
 FFmpegFileEncoder::video (shared_ptr<PlayerVideo> video, DCPTime time)
 {
@@ -450,6 +457,7 @@ DCPOMATIC_ENABLE_WARNINGS
 
 }
 
+
 /** Called when the player gives us some audio */
 void
 FFmpegFileEncoder::audio (shared_ptr<AudioBuffers> audio)
@@ -468,6 +476,7 @@ FFmpegFileEncoder::audio (shared_ptr<AudioBuffers> audio)
        }
 }
 
+
 void
 FFmpegFileEncoder::audio_frame (int size)
 {
@@ -487,18 +496,21 @@ FFmpegFileEncoder::audio_frame (int size)
        _audio_frames += size;
 }
 
+
 void
 FFmpegFileEncoder::subtitle (PlayerText, DCPTimePeriod)
 {
 
 }
 
+
 void
 FFmpegFileEncoder::buffer_free (void* opaque, uint8_t* data)
 {
        reinterpret_cast<FFmpegFileEncoder*>(opaque)->buffer_free2(data);
 }
 
+
 void
 FFmpegFileEncoder::buffer_free2 (uint8_t* data)
 {