}
#if CONFIG_PGM_ENCODER
-AVCodec ff_pgm_encoder = {
+const AVCodec ff_pgm_encoder = {
.name = "pgm",
.long_name = NULL_IF_CONFIG_SMALL("PGM (Portable GrayMap) image"),
.type = AVMEDIA_TYPE_VIDEO,
#endif
#if CONFIG_PGMYUV_ENCODER
-AVCodec ff_pgmyuv_encoder = {
+const AVCodec ff_pgmyuv_encoder = {
.name = "pgmyuv",
.long_name = NULL_IF_CONFIG_SMALL("PGMYUV (Portable GrayMap YUV) image"),
.type = AVMEDIA_TYPE_VIDEO,
#endif
#if CONFIG_PPM_ENCODER
-AVCodec ff_ppm_encoder = {
+const AVCodec ff_ppm_encoder = {
.name = "ppm",
.long_name = NULL_IF_CONFIG_SMALL("PPM (Portable PixelMap) image"),
.type = AVMEDIA_TYPE_VIDEO,
#endif
#if CONFIG_PBM_ENCODER
-AVCodec ff_pbm_encoder = {
+const AVCodec ff_pbm_encoder = {
.name = "pbm",
.long_name = NULL_IF_CONFIG_SMALL("PBM (Portable BitMap) image"),
.type = AVMEDIA_TYPE_VIDEO,
#endif
#if CONFIG_PFM_ENCODER
-AVCodec ff_pfm_encoder = {
+const AVCodec ff_pfm_encoder = {
.name = "pfm",
.long_name = NULL_IF_CONFIG_SMALL("PFM (Portable FloatMap) image"),
.type = AVMEDIA_TYPE_VIDEO,