Supporters update.

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

diff --git a/src/lib/audio_filter_graph.cc b/src/lib/audio_filter_graph.cc
index 6318c68ab58fbced508595bd74cbac9c8632706c..4e3052d57c519eccc3f390e01d5f3e4c3ad6da5f 100644 (file)
--- a/src/lib/audio_filter_graph.cc
+++ b/src/lib/audio_filter_graph.cc
@@ -18,21 +18,28 @@
 
 */
 
-#include "audio_filter_graph.h"
+
 #include "audio_buffers.h"
+#include "audio_filter_graph.h"
 #include "compose.hpp"
+#include "dcpomatic_assert.h"
+#include "exceptions.h"
 extern "C" {
 #include <libavfilter/buffersink.h>
 #include <libavfilter/buffersrc.h>
 #include <libavutil/channel_layout.h>
+#include <libavutil/opt.h>
 }
 #include <iostream>
 
 #include "i18n.h"
 
-using std::string;
+
 using std::cout;
+using std::make_shared;
 using std::shared_ptr;
+using std::string;
+
 
 AudioFilterGraph::AudioFilterGraph (int sample_rate, int channels)
        : _sample_rate (sample_rate)
@@ -48,6 +55,9 @@ AudioFilterGraph::AudioFilterGraph (int sample_rate, int channels)
        }
 
        _in_frame = av_frame_alloc ();
+       if (_in_frame == nullptr) {
+               throw std::bad_alloc();
+       }
 }
 
 AudioFilterGraph::~AudioFilterGraph()
@@ -70,28 +80,24 @@ AudioFilterGraph::src_parameters () const
        return buffer;
 }
 
-void *
-AudioFilterGraph::sink_parameters () const
-{
-       AVABufferSinkParams* sink_params = av_abuffersink_params_alloc ();
-
-       AVSampleFormat* sample_fmts = new AVSampleFormat[2];
-       sample_fmts[0] = AV_SAMPLE_FMT_FLTP;
-       sample_fmts[1] = AV_SAMPLE_FMT_NONE;
-       sink_params->sample_fmts = sample_fmts;
 
-       int64_t* channel_layouts = new int64_t[2];
-       channel_layouts[0] = _channel_layout;
-       channel_layouts[1] = -1;
-       sink_params->channel_layouts = channel_layouts;
+void
+AudioFilterGraph::set_parameters (AVFilterContext* context) const
+{
+       AVSampleFormat sample_fmts[] = { AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_NONE };
+       int r = av_opt_set_int_list (context, "sample_fmts", sample_fmts, AV_SAMPLE_FMT_NONE, AV_OPT_SEARCH_CHILDREN);
+       DCPOMATIC_ASSERT (r >= 0);
 
-       sink_params->sample_rates = new int[2];
-       sink_params->sample_rates[0] = _sample_rate;
-       sink_params->sample_rates[1] = -1;
+       int64_t channel_layouts[] = { _channel_layout, -1 };
+       r = av_opt_set_int_list (context, "channel_layouts", channel_layouts, -1, AV_OPT_SEARCH_CHILDREN);
+       DCPOMATIC_ASSERT (r >= 0);
 
-       return sink_params;
+       int sample_rates[] = { _sample_rate, -1 };
+       r = av_opt_set_int_list (context, "sample_rates", sample_rates, -1, AV_OPT_SEARCH_CHILDREN);
+       DCPOMATIC_ASSERT (r >= 0);
 }
 
+
 string
 AudioFilterGraph::src_name () const
 {
@@ -105,7 +111,7 @@ AudioFilterGraph::sink_name () const
 }
 
 void
-AudioFilterGraph::process (shared_ptr<const AudioBuffers> buffers)
+AudioFilterGraph::process (shared_ptr<AudioBuffers> buffers)
 {
        DCPOMATIC_ASSERT (buffers->frames() > 0);
        int const process_channels = av_get_channel_layout_nb_channels (_channel_layout);
@@ -116,7 +122,7 @@ AudioFilterGraph::process (shared_ptr<const AudioBuffers> buffers)
                   the constructor) so we need to create new buffers with some extra
                   silent channels.
                */
-               shared_ptr<AudioBuffers> extended_buffers (new AudioBuffers (process_channels, buffers->frames()));
+               auto extended_buffers = make_shared<AudioBuffers>(process_channels, buffers->frames());
                for (int i = 0; i < buffers->channels(); ++i) {
                        extended_buffers->copy_channel_from (buffers.get(), i, i);
                }