Fix compilation with older ffmpeg.

Fix compilation under 32bits.

avdecoder.cpp

@@ -129,18 +129,24 @@ void AVDecoder::getPictureMetadata(metadata_t &metadata)
 QByteArray AVDecoder::getAudioThumbnail(int width, int height)
 {
     QByteArray data;
-    for (uint i = 0; i < pFormatCtx->nb_streams; i++) {
-        if(pFormatCtx->streams[i]->disposition & AV_DISPOSITION_ATTACHED_PIC) {
-            AVPacket pkt = pFormatCtx->streams[i]->attached_pic;
 
+    int stream_index;
+    AVCodec *codec = NULL;
+    if((stream_index = av_find_best_stream(pFormatCtx, AVMEDIA_TYPE_VIDEO, -1, -1, &codec, 0)) < 0) {
+        // no thumbnail
+        return data;
+    }
+
+    AVPacket pkt;
+    if(av_read_frame(pFormatCtx, &pkt) >= 0) {
+        // first frame == first thumbnail (hopefully)
         QBuffer imgbuffer(&data);
         imgbuffer.open(QIODevice::WriteOnly);
         QImage img = QImage::fromData(QByteArray((const char *)pkt.data, pkt.size));
         QImage result = img.scaled(width, height, Qt::KeepAspectRatio, Qt::SmoothTransformation);
         result.save(&imgbuffer, "JPEG");
-            break;
-        }
     }
+
     return data;
 }
 

avdecoder.h

@@ -27,6 +27,7 @@ extern "C" {
 #include <libavcodec/avcodec.h>
 #include <libavformat/avformat.h>
 #include <libswscale/swscale.h>
+#include <libavutil/mathematics.h>
 }
 
 #include <vitamtp.h>

cmaevent.cpp

@@ -20,6 +20,8 @@
 #include "cmaevent.h"
 #include "utils.h"
 
+#include <inttypes.h>
+
 #include <QDateTime>
 #include <QDebug>
 #include <QDir>
@@ -683,7 +685,7 @@ void CmaEvent::vitaEventSendPartOfObject(vita_event_t *event, int eventId)
     } else {
         file.seek(part_init.offset);
         QByteArray data = file.read(part_init.size);
-        qDebug("Sending %s at file offset %zu for %zu bytes", object->metadata.path, part_init.offset, part_init.size);
+        qDebug("Sending %s at file offset %"PRIu64" for %"PRIu64" bytes", object->metadata.path, part_init.offset, part_init.size);
 
         if(VitaMTP_SendPartOfObject(device, eventId, (unsigned char *)data.data(), data.size()) != PTP_RC_OK) {
             qWarning("Failed to send part of object OHFI %d", part_init.ohfi);
@@ -810,7 +812,7 @@ void CmaEvent::vitaEventGetPartOfObject(vita_event_t *event, int eventId)
         return;
     }
 
-    qDebug("Receiving %s at offset %zu for %zu bytes", object->metadata.path, part_init.offset, part_init.size);
+    qDebug("Receiving %s at offset %"PRIu64" for %"PRIu64" bytes", object->metadata.path, part_init.offset, part_init.size);
 
     QFile file(object->path);
     if(!file.open(QIODevice::ReadWrite)) {
@@ -820,7 +822,7 @@ void CmaEvent::vitaEventGetPartOfObject(vita_event_t *event, int eventId)
         file.seek(part_init.offset);
         file.write((const char *)data, part_init.size);
         object->updateObjectSize(part_init.size);
-        qDebug("Written %zu bytes to %s at offset %zu.", part_init.size, object->path.toStdString().c_str(), part_init.offset);
+        qDebug("Written %zu bytes to %s at offset %"PRIu64, part_init.size, object->path.toStdString().c_str(), part_init.offset);
         VitaMTP_ReportResult(device, eventId, PTP_RC_OK);
     }
 

qcma.pro

@@ -58,7 +58,7 @@ HEADERS += \
 CONFIG += link_pkgconfig
 PKGCONFIG += libvitamtp libavformat libavcodec libavutil libswscale
 
-QMAKE_CXXFLAGS += -Wno-write-strings -Wall
+QMAKE_CXXFLAGS += -Wno-write-strings -Wall -D__STDC_CONSTANT_MACROS
 
 RESOURCES += \
     qcmares.qrc