ffmpeg plugin: added shoutcast support (Closes issue 162)

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@1485 90c681e8-e032-0410-971d-27865f9a5e38

2 files changed, 31 insertions, 6 deletions

diff --git a/src/plugins/Input/ffmpeg/decoder_ffmpeg.cpp b/src/plugins/Input/ffmpeg/decoder_ffmpeg.cpp
index 174f8f693..4ec673839 100644
--- a/src/plugins/Input/ffmpeg/decoder_ffmpeg.cpp
+++ b/src/plugins/Input/ffmpeg/decoder_ffmpeg.cpp
@@ -104,11 +104,11 @@ bool DecoderFFmpeg::initialize()
     av_register_all();
 
     AVProbeData  pd;
-    uint8_t buf[2048 + AVPROBE_PADDING_SIZE];
+    uint8_t buf[8192 + AVPROBE_PADDING_SIZE];
     pd.filename = m_path.toLocal8Bit().constData();
-    pd.buf_size = input()->peek((char*)buf, sizeof(buf));
+    pd.buf_size = input()->peek((char*)buf, sizeof(buf) - AVPROBE_PADDING_SIZE);
     pd.buf = buf;
-    if(pd.buf_size < 2048)
+    if(pd.buf_size < 8192)
         return FALSE;
     AVInputFormat *fmt = av_probe_input_format(&pd, 1);
     if(!fmt)
@@ -168,7 +168,7 @@ bool DecoderFFmpeg::initialize()
         qWarning("DecoderFFmpeg: error while opening codec for output stream");
         return FALSE;
     }
-    m_totalTime = ic->duration * 1000 / AV_TIME_BASE;
+    m_totalTime = input()->isSequential() ? 0 : ic->duration * 1000 / AV_TIME_BASE;
     m_output_buf = new uint8_t[AVCODEC_MAX_AUDIO_FRAME_SIZE*sizeof(int16_t) + Qmmp::globalBufferSize()];
     configure(c->sample_rate, c->channels, 16);
     m_bitrate = c->bit_rate;
@@ -189,7 +189,6 @@ int DecoderFFmpeg::bitrate()
 
 qint64 DecoderFFmpeg::read(char *audio, qint64 maxSize)
 {
-   
     m_skipBytes = 0;
     if (m_skip)
     {
diff --git a/src/plugins/Input/ffmpeg/decoderffmpegfactory.cpp b/src/plugins/Input/ffmpeg/decoderffmpegfactory.cpp
index 50373deb7..edf830893 100644
--- a/src/plugins/Input/ffmpeg/decoderffmpegfactory.cpp
+++ b/src/plugins/Input/ffmpeg/decoderffmpegfactory.cpp
@@ -64,8 +64,33 @@ bool DecoderFFmpegFactory::supports(const QString &source) const
     return FALSE;
 }
 
-bool DecoderFFmpegFactory::canDecode(QIODevice *) const
+bool DecoderFFmpegFactory::canDecode(QIODevice *i) const
 {
+    av_register_all();
+    QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
+    QStringList filters;
+#if (LIBAVCODEC_VERSION_INT >= ((51<<16)+(44<<8)+0))
+    filters << "*.wma" << "*.ape";
+#else
+    filters << "*.wma";
+#endif
+    filters = settings.value("FFMPEG/filters", filters).toStringList();
+
+    AVProbeData  pd;
+    uint8_t buf[8192 + AVPROBE_PADDING_SIZE];
+    pd.filename = 0;
+    pd.buf_size = i->peek((char*)buf, sizeof(buf) - AVPROBE_PADDING_SIZE);
+    pd.buf = buf;
+    if(pd.buf_size < 8192)
+        return FALSE;
+    AVInputFormat *fmt = av_probe_input_format(&pd, 1);
+    if(!fmt)
+    {
+        qWarning("DecoderFFmpegFactory: usupported format");
+        return FALSE;
+    }
+    if(filters.contains("*.mp3") && !memcmp(fmt->name, "mp3", 3))
+        return TRUE;
     return FALSE;
 }
 
@@ -87,6 +112,7 @@ const DecoderProperties DecoderFFmpegFactory::properties() const
         properties.contentType += "audio/x-ms-wma";
     if(filters.contains("*.mp3"))
         properties.contentType += " audio/mpeg";
+    properties.contentType = properties.contentType.trimmed();
     properties.shortName = "ffmpeg";
     properties.hasAbout = TRUE;
     properties.hasSettings = TRUE;