Remove all use of stringstream in an attempt to fix

[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 6b70300fce195550eee6b2eec22b83d714ede4e1..744fdb2b7213d9dfbb0b21964939af543bc383bb 100644 (file)
--- a/src/lib/audio_filter_graph.cc
+++ b/src/lib/audio_filter_graph.cc
@@ -29,7 +29,6 @@ extern "C" {
 #include "i18n.h"
 
 using std::string;
-using std::cout;
 using boost::shared_ptr;
 
 AudioFilterGraph::AudioFilterGraph (int sample_rate, int channels)
@@ -56,16 +55,16 @@ AudioFilterGraph::~AudioFilterGraph()
 string
 AudioFilterGraph::src_parameters () const
 {
-       locked_stringstream a;
+       char layout[64];
+       av_get_channel_layout_string (layout, sizeof(layout), 0, _channel_layout);
 
-       char buffer[64];
-       av_get_channel_layout_string (buffer, sizeof(buffer), 0, _channel_layout);
+       char buffer[256];
+       snprintf (
+               buffer, sizeof(buffer), "time_base=1/1:sample_rate=%d:sample_fmt=%s:channel_layout=%s",
+               _sample_rate, av_get_sample_fmt_name(AV_SAMPLE_FMT_FLTP), layout
+               );
 
-       a << "time_base=1/1:sample_rate=" << _sample_rate << ":"
-         << "sample_fmt=" << av_get_sample_fmt_name(AV_SAMPLE_FMT_FLTP) << ":"
-         << "channel_layout=" << buffer;
-
-       return a.str ();
+       return buffer;
 }
 
 void *
@@ -149,7 +148,7 @@ AudioFilterGraph::process (shared_ptr<const AudioBuffers> buffers)
        if (r < 0) {
                char buffer[256];
                av_strerror (r, buffer, sizeof(buffer));
-               throw DecodeError (String::compose (N_("could not push buffer into filter chain (%1)"), buffer));
+               throw DecodeError (String::compose (N_("could not push buffer into filter chain (%1)"), &buffer[0]));
        }
 
        while (true) {