avcodec: add cdtoons decoder

This adds a decoder for Broderbund's sprite-based QuickTime CDToons
codec, based on the decoder I wrote for ScummVM.
Signed-off-by: Alyssa Milburn <amilburn@zall.org>

Changelog

@@ -36,6 +36,7 @@ version <next>:
 - xfade_opencl filter
 - afirsrc audio filter source
 - pad_opencl filter
+- CDToons video decoder
 
 
 version 4.2:

doc/general.texi

@@ -846,6 +846,8 @@ following image formats are supported:
     @tab Codec used in Delphine Software International games.
 @item Discworld II BMV Video @tab     @tab  X
 @item Canopus Lossless Codec @tab     @tab  X
+@item CDToons                @tab     @tab  X
+    @tab Codec used in various Broderbund games.
 @item Cinepak                @tab     @tab  X
 @item Cirrus Logic AccuPak   @tab  X  @tab  X
     @tab fourcc: CLJR

libavcodec/Makefile

@@ -244,6 +244,7 @@ OBJS-$(CONFIG_CAVS_DECODER)            += cavs.o cavsdec.o cavsdsp.o \
                                           cavsdata.o
 OBJS-$(CONFIG_CCAPTION_DECODER)        += ccaption_dec.o ass.o
 OBJS-$(CONFIG_CDGRAPHICS_DECODER)      += cdgraphics.o
+OBJS-$(CONFIG_CDTOONS_DECODER)         += cdtoons.o
 OBJS-$(CONFIG_CDXL_DECODER)            += cdxl.o
 OBJS-$(CONFIG_CFHD_DECODER)            += cfhd.o cfhddata.o
 OBJS-$(CONFIG_CINEPAK_DECODER)         += cinepak.o

libavcodec/allcodecs.c

@@ -68,6 +68,7 @@ extern AVCodec ff_brender_pix_decoder;
 extern AVCodec ff_c93_decoder;
 extern AVCodec ff_cavs_decoder;
 extern AVCodec ff_cdgraphics_decoder;
+extern AVCodec ff_cdtoons_decoder;
 extern AVCodec ff_cdxl_decoder;
 extern AVCodec ff_cfhd_decoder;
 extern AVCodec ff_cinepak_encoder;

libavcodec/avcodec.h

@@ -460,6 +460,7 @@ enum AVCodecID {
     AV_CODEC_ID_IMM5,
     AV_CODEC_ID_MVDV,
     AV_CODEC_ID_MVHA,
+    AV_CODEC_ID_CDTOONS,
 
     /* various PCM "codecs" */
     AV_CODEC_ID_FIRST_AUDIO = 0x10000,     ///< A dummy id pointing at the start of audio codecs

libavcodec/codec_desc.c

@@ -1747,6 +1747,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("MidiVid Archive Codec"),
         .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY,
     },
+    {
+        .id        = AV_CODEC_ID_CDTOONS,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "cdtoons",
+        .long_name = NULL_IF_CONFIG_SMALL("CDToons video"),
+        .props     = AV_CODEC_PROP_LOSSLESS,
+    },
 
     /* various PCM "codecs" */
     {

libavcodec/version.h

@@ -28,8 +28,8 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR  58
-#define LIBAVCODEC_VERSION_MINOR  68
-#define LIBAVCODEC_VERSION_MICRO 102
+#define LIBAVCODEC_VERSION_MINOR  69
+#define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \

libavformat/isom.c

@@ -158,6 +158,7 @@ const AVCodecTag ff_codec_movvideo_tags[] = {
     { AV_CODEC_ID_SGIRLE,  MKTAG('r', 'l', 'e', '1') }, /* SGI RLE 8-bit */
     { AV_CODEC_ID_MSRLE,   MKTAG('W', 'R', 'L', 'E') },
     { AV_CODEC_ID_QDRAW,   MKTAG('q', 'd', 'r', 'w') }, /* QuickDraw */
+    { AV_CODEC_ID_CDTOONS, MKTAG('Q', 'k', 'B', 'k') }, /* CDToons */
 
     { AV_CODEC_ID_RAWVIDEO, MKTAG('W', 'R', 'A', 'W') },