From 440ba17594d17736a56cac0d89be97fb63577989 Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@eclectronics.org>
Date: Mon, 16 Sep 2013 14:31:04 +0100
Subject: ffmpegsource audio loading

---
 rotord/src/libavwrapper.cpp | 66 +++++++++++++++++++++++++++++++++++----------
 1 file changed, 52 insertions(+), 14 deletions(-)

(limited to 'rotord/src/libavwrapper.cpp')

diff --git a/rotord/src/libavwrapper.cpp b/rotord/src/libavwrapper.cpp
index 717667c..1fe0e5a 100644
--- a/rotord/src/libavwrapper.cpp
+++ b/rotord/src/libavwrapper.cpp
@@ -557,45 +557,45 @@ bool libav::decoder::avtry(int result, const std::string& msg) {
     return true;
 }
 
- void libav::ffms2_decoder::cleanup(){
+ void libav::video_decoder::cleanup(){
     if (loaded) {
         mutex.lock();
-        FFMS_DestroyVideoSource(videosource);
+        FFMS_DestroyVideoSource(source);
         mutex.unlock();
         loaded=false;
     }
 }
 
-bool libav::ffms2_decoder::open(const std::string& filename){
+bool libav::video_decoder::open(const std::string& filename){
     mutex.lock();
     loaded=false;
-    FFMS_Index *index = FFMS_MakeIndex(filename.c_str(), 0, 0, NULL, NULL, FFMS_IEH_IGNORE, NULL, NULL, &errinfo);
+    FFMS_Index *index = FFMS_MakeIndex(filename.c_str(), 0, 0, NULL, NULL, FFMS_IEH_IGNORE, NULL, NULL, &err);
     if (index == NULL) {
-        std::cerr<<"ffmpegsource: "<<errinfo.Buffer<<std::endl;
+        std::cerr<<"ffmpegsource: "<<err.Buffer<<std::endl;
         mutex.unlock();
         return false;
     }
-    int trackno = FFMS_GetFirstTrackOfType(index, FFMS_TYPE_VIDEO, &errinfo);
+    int trackno = FFMS_GetFirstTrackOfType(index, FFMS_TYPE_VIDEO, &err);
     if (trackno < 0) {
-        std::cerr<<"ffmpegsource: "<<errinfo.Buffer<<std::endl;
+        std::cerr<<"ffmpegsource: "<<err.Buffer<<std::endl;
         mutex.unlock();
         return false;
     }
-    videosource = FFMS_CreateVideoSource(filename.c_str(), trackno, index, 1, FFMS_SEEK_NORMAL, &errinfo);
-    if (videosource == NULL) {
-        std::cerr<<"ffmpegsource: "<<errinfo.Buffer<<std::endl;
+    source = FFMS_CreateVideoSource(filename.c_str(), trackno, index, 1, FFMS_SEEK_NORMAL, &err);
+    if (source == NULL) {
+        std::cerr<<"ffmpegsource: "<<err.Buffer<<std::endl;
         mutex.unlock();
         return false;
     }
     FFMS_DestroyIndex(index);
-    videoprops = FFMS_GetVideoProperties(videosource);
-    const FFMS_Frame *propframe = FFMS_GetFrame(videosource, 0, &errinfo);
+    props = FFMS_GetVideoProperties(source);
+    const FFMS_Frame *propframe = FFMS_GetFrame(source, 0, &err);
     w=propframe->EncodedWidth;
     h=propframe->EncodedHeight;
     //propframe->EncodedPixelFormat;
     
-    if (FFMS_SetOutputFormatV2(videosource, pixfmts, propframe->EncodedWidth, propframe->EncodedHeight, FFMS_RESIZER_BICUBIC, &errinfo)) {
-        std::cerr<<"ffmpegsource: "<<errinfo.Buffer<<std::endl;
+    if (FFMS_SetOutputFormatV2(source, pixfmts, propframe->EncodedWidth, propframe->EncodedHeight, FFMS_RESIZER_BICUBIC, &err)) {
+        std::cerr<<"ffmpegsource: "<<err.Buffer<<std::endl;
         mutex.unlock();
         return false;
     }
@@ -608,6 +608,44 @@ bool libav::ffms2_decoder::open(const std::string& filename){
     return loaded;
 }
 
+bool libav::audio_decoder::open(const std::string& filename){
+    mutex.lock();
+    loaded=false;
+    FFMS_Index *index = FFMS_MakeIndex(filename.c_str(),-1, 0, NULL, NULL, FFMS_IEH_IGNORE, NULL, NULL, &err);
+    if (index == NULL) {
+        std::cerr<<"ffmpegsource error making index for "<<filename<<":"<<err.Buffer<<std::endl;
+        mutex.unlock();
+        return false;
+    }
+    int trackno = FFMS_GetFirstTrackOfType(index, FFMS_TYPE_AUDIO, &err);
+    if (trackno < 0) {
+        std::cerr<<"ffmpegsource error finding audio track in "<<filename<<":"<<err.Buffer<<std::endl;
+        mutex.unlock();
+        return false;
+    }
+    std::cerr<<"ffmpegsource found audio track "<<trackno<<" in "<<filename<<":"<<err.Buffer<<std::endl;
+    source = FFMS_CreateAudioSource(filename.c_str(), trackno, index, FFMS_DELAY_TIME_ZERO,  &err);
+    if (source == NULL) {
+        std::cerr<<"ffmpegsource error creating audio source from "<<filename<<":"<<err.Buffer<<std::endl;
+        mutex.unlock();
+        return false;
+    }
+    FFMS_DestroyIndex(index);
+    props = FFMS_GetAudioProperties(source);
+
+    std::cerr<<"ffmpegsource: successfully opened "<<filename<<std::endl;
+    loaded=true;
+    mutex.unlock();
+    return loaded;
+}
+ void libav::audio_decoder::cleanup(){
+    if (loaded) {
+        mutex.lock();
+        FFMS_DestroyAudioSource(source);
+        mutex.unlock();
+        loaded=false;
+    }
+}
 ///////////////////////////
 // encoder methods //
 ///////////////////////////
-- 
cgit v1.2.3