Rename "AVClass class" as "AVClass component_class" for external codecs.

The aix header math.h defines "extern int class()" for C.
This fixes compilation on aix with external libraries enabled.
Signed-off-by: Carl Eugen Hoyos <cehoyos@ag.or.at>

libavcodec/libopencore-amr.c

@@ -180,7 +180,7 @@ static const AVOption options[] = {
     { NULL }
 };
 
-static const AVClass class = {
+static const AVClass amrnb_class = {
     "libopencore_amrnb", av_default_item_name, options, LIBAVUTIL_VERSION_INT
 };
 
@@ -291,7 +291,7 @@ AVCodec ff_libopencore_amrnb_encoder = {
     .sample_fmts    = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16,
                                                      AV_SAMPLE_FMT_NONE },
     .long_name      = NULL_IF_CONFIG_SMALL("OpenCORE AMR-NB (Adaptive Multi-Rate Narrow-Band)"),
-    .priv_class     = &class,
+    .priv_class     = &amrnb_class,
 };
 #endif /* CONFIG_LIBOPENCORE_AMRNB_ENCODER */
 

libavcodec/libopenjpegdec.c

@@ -392,7 +392,7 @@ static const AVOption options[] = {
     { NULL },
 };
 
-static const AVClass class = {
+static const AVClass openjpeg_class = {
     .class_name = "libopenjpeg",
     .item_name  = av_default_item_name,
     .option     = options,
@@ -409,5 +409,5 @@ AVCodec ff_libopenjpeg_decoder = {
     .capabilities     = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS,
     .max_lowres       = 31,
     .long_name        = NULL_IF_CONFIG_SMALL("OpenJPEG JPEG 2000"),
-    .priv_class       = &class,
+    .priv_class       = &openjpeg_class,
 };

libavcodec/libopenjpegenc.c

@@ -542,7 +542,7 @@ static const AVOption options[] = {
     { NULL },
 };
 
-static const AVClass class = {
+static const AVClass openjpeg_class = {
     .class_name = "libopenjpeg",
     .item_name  = av_default_item_name,
     .option     = options,
@@ -577,5 +577,5 @@ AVCodec ff_libopenjpeg_encoder = {
         AV_PIX_FMT_NONE
     },
     .long_name      = NULL_IF_CONFIG_SMALL("OpenJPEG JPEG 2000"),
-    .priv_class     = &class,
+    .priv_class     = &openjpeg_class,
 };

libavcodec/libspeexenc.c

@@ -334,7 +334,7 @@ static const AVOption options[] = {
     { NULL },
 };
 
-static const AVClass class = {
+static const AVClass speex_class = {
     .class_name = "libspeex",
     .item_name  = av_default_item_name,
     .option     = options,
@@ -363,6 +363,6 @@ AVCodec ff_libspeex_encoder = {
                                            0 },
     .supported_samplerates = (const int[]){ 8000, 16000, 32000, 0 },
     .long_name      = NULL_IF_CONFIG_SMALL("libspeex Speex"),
-    .priv_class     = &class,
+    .priv_class     = &speex_class,
     .defaults       = defaults,
 };

libavcodec/libvo-amrwbenc.c

@@ -45,7 +45,7 @@ static const AVOption options[] = {
     { NULL }
 };
 
-static const AVClass class = {
+static const AVClass amrwb_class = {
     "libvo_amrwbenc", av_default_item_name, options, LIBAVUTIL_VERSION_INT
 };
 
@@ -148,5 +148,5 @@ AVCodec ff_libvo_amrwbenc_encoder = {
                                                      AV_SAMPLE_FMT_NONE },
     .long_name      = NULL_IF_CONFIG_SMALL("Android VisualOn AMR-WB "
                                            "(Adaptive Multi-Rate Wide-Band)"),
-    .priv_class     = &class,
+    .priv_class     = &amrwb_class,
 };

libavcodec/libvorbisenc.c

@@ -64,7 +64,7 @@ static const AVCodecDefault defaults[] = {
     { NULL },
 };
 
-static const AVClass class = {
+static const AVClass vorbis_class = {
     .class_name = "libvorbis",
     .item_name  = av_default_item_name,
     .option     = options,
@@ -373,6 +373,6 @@ AVCodec ff_libvorbis_encoder = {
     .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLTP,
                                                       AV_SAMPLE_FMT_NONE },
     .long_name      = NULL_IF_CONFIG_SMALL("libvorbis"),
-    .priv_class     = &class,
+    .priv_class     = &vorbis_class,
     .defaults       = defaults,
 };

libavcodec/libx264.c

@@ -676,7 +676,7 @@ static const AVOption options[] = {
     { NULL },
 };
 
-static const AVClass class = {
+static const AVClass x264_class = {
     .class_name = "libx264",
     .item_name  = av_default_item_name,
     .option     = options,
@@ -730,7 +730,7 @@ AVCodec ff_libx264_encoder = {
     .close            = X264_close,
     .capabilities     = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
     .long_name        = NULL_IF_CONFIG_SMALL("libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
-    .priv_class       = &class,
+    .priv_class       = &x264_class,
     .defaults         = x264_defaults,
     .init_static_data = X264_init_static,
 };

libavcodec/libxavs.c

@@ -404,7 +404,7 @@ static const AVOption options[] = {
     { NULL },
 };
 
-static const AVClass class = {
+static const AVClass xavs_class = {
     .class_name = "libxavs",
     .item_name  = av_default_item_name,
     .option     = options,
@@ -427,6 +427,6 @@ AVCodec ff_libxavs_encoder = {
     .capabilities   = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
     .pix_fmts       = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
     .long_name      = NULL_IF_CONFIG_SMALL("libxavs Chinese AVS (Audio Video Standard)"),
-    .priv_class     = &class,
+    .priv_class     = &xavs_class,
     .defaults       = xavs_defaults,
 };