avcodec: add Amuse Graphics decoder

This work is sponsored by VideoLAN.

Changelog

@@ -20,6 +20,7 @@ version <next>:
 - libaribb24 based ARIB STD-B24 caption support (profiles A and C)
 - Support decoding of HEVC 4:4:4 content in nvdec and cuviddec
 - removed libndi-newtek
+- agm decoder
 
 
 version 4.1:

libavcodec/Makefile

@@ -173,6 +173,7 @@ OBJS-$(CONFIG_AC3_FIXED_DECODER)       += ac3dec_fixed.o ac3dec_data.o ac3.o kbd
 OBJS-$(CONFIG_AC3_ENCODER)             += ac3enc_float.o ac3enc.o ac3tab.o \
                                           ac3.o kbdwin.o
 OBJS-$(CONFIG_AC3_FIXED_ENCODER)       += ac3enc_fixed.o ac3enc.o ac3tab.o ac3.o
+OBJS-$(CONFIG_AGM_DECODER)             += agm.o
 OBJS-$(CONFIG_AIC_DECODER)             += aic.o
 OBJS-$(CONFIG_ALAC_DECODER)            += alac.o alac_data.o alacdsp.o
 OBJS-$(CONFIG_ALAC_ENCODER)            += alacenc.o alac_data.o

libavcodec/allcodecs.c

@@ -35,6 +35,7 @@ extern AVCodec ff_aasc_decoder;
 extern AVCodec ff_aic_decoder;
 extern AVCodec ff_alias_pix_encoder;
 extern AVCodec ff_alias_pix_decoder;
+extern AVCodec ff_agm_decoder;
 extern AVCodec ff_amv_encoder;
 extern AVCodec ff_amv_decoder;
 extern AVCodec ff_anm_decoder;

libavcodec/avcodec.h

@@ -454,6 +454,7 @@ enum AVCodecID {
     AV_CODEC_ID_RASC,
     AV_CODEC_ID_HYMT,
     AV_CODEC_ID_ARBC,
+    AV_CODEC_ID_AGM,
 
     /* various PCM "codecs" */
     AV_CODEC_ID_FIRST_AUDIO = 0x10000,     ///< A dummy id pointing at the start of audio codecs

libavcodec/codec_desc.c

@@ -1705,6 +1705,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("Gryphon's Anim Compressor"),
         .props     = AV_CODEC_PROP_LOSSY,
     },
+    {
+        .id        = AV_CODEC_ID_AGM,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "agm",
+        .long_name = NULL_IF_CONFIG_SMALL("Amuse Graphics Movie"),
+        .props     = AV_CODEC_PROP_LOSSY,
+    },
 
     /* various PCM "codecs" */
     {

libavcodec/version.h

@@ -28,8 +28,8 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR  58
-#define LIBAVCODEC_VERSION_MINOR  47
-#define LIBAVCODEC_VERSION_MICRO 106
+#define LIBAVCODEC_VERSION_MINOR  48
+#define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \

libavformat/riff.c

@@ -477,6 +477,8 @@ const AVCodecTag ff_codec_bmp_tags[] = {
     { AV_CODEC_ID_RASC,         MKTAG('R', 'A', 'S', 'C') },
     { AV_CODEC_ID_HYMT,         MKTAG('H', 'Y', 'M', 'T') },
     { AV_CODEC_ID_ARBC,         MKTAG('A', 'R', 'B', 'C') },
+    { AV_CODEC_ID_AGM,          MKTAG('A', 'G', 'M', '2') },
+    { AV_CODEC_ID_AGM,          MKTAG('A', 'G', 'M', '3') },
     { AV_CODEC_ID_NONE,         0 }
 };