export: fixed many export formats including still image and image sequence export

Still incomplete, but does a lot towards #1345

app/codec/exportcodec.cpp

@@ -52,6 +52,14 @@ QString ExportCodec::GetCodecName(ExportCodec::Codec c)
     return tr("AAC");
   case kCodecPCM:
     return tr("PCM (Uncompressed)");
+  case kCodecFLAC:
+    return tr("FLAC");
+  case kCodecOpus:
+    return tr("Opus");
+  case kCodecVorbis:
+    return tr("Vorbis");
+  case kCodecVP9:
+    return tr("VP9");
   case kCodecCount:
     break;
   }
@@ -70,6 +78,10 @@ bool ExportCodec::IsCodecAStillImage(ExportCodec::Codec c)
   case kCodecMP3:
   case kCodecAAC:
   case kCodecPCM:
+  case kCodecVorbis:
+  case kCodecOpus:
+  case kCodecFLAC:
+  case kCodecVP9:
     return false;
   case kCodecOpenEXR:
   case kCodecPNG:
@@ -82,47 +94,4 @@ bool ExportCodec::IsCodecAStillImage(ExportCodec::Codec c)
   return false;
 }
 
-QStringList ExportCodec::GetPixelFormatsForCodec(ExportCodec::Codec c)
-{
-  QStringList pix_fmts;
-
-  AVCodec* codec_info = nullptr;
-
-  switch (c) {
-  case kCodecH264:
-    codec_info = avcodec_find_encoder(AV_CODEC_ID_H264);
-    break;
-  case kCodecDNxHD:
-    codec_info = avcodec_find_encoder(AV_CODEC_ID_DNXHD);
-    break;
-  case kCodecProRes:
-    codec_info = avcodec_find_encoder(AV_CODEC_ID_PRORES);
-    break;
-  case kCodecH265:
-    codec_info = avcodec_find_encoder(AV_CODEC_ID_HEVC);
-    break;
-  case kCodecOpenEXR:
-  case kCodecPNG:
-  case kCodecTIFF:
-    // FIXME: Add these in (these will most likely use an OIIOEncoder which doesn't exist yet)
-    break;
-  case kCodecMP2:
-  case kCodecMP3:
-  case kCodecAAC:
-  case kCodecPCM:
-  case kCodecCount:
-    // These are audio or invalid codecs and therefore have no pixel formats
-    break;
-  }
-
-  if (codec_info) {
-    for (int i=0; codec_info->pix_fmts[i]!=-1; i++) {
-      const char* pix_fmt_name = av_get_pix_fmt_name(codec_info->pix_fmts[i]);
-      pix_fmts.append(pix_fmt_name);
-    }
-  }
-
-  return pix_fmts;
-}
-
 }