avcodec: add Apple Pixlet decoder

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Changelog

@@ -11,6 +11,7 @@ version <next>:
 - PSD Decoder
 - 16.8 floating point pcm decoder
 - 24.0 floating point pcm decoder
+- Apple Pixlet decoder
 
 version 3.2:
 - libopenmpt demuxer

doc/general.texi

@@ -631,6 +631,7 @@ following image formats are supported:
 @item ANSI/ASCII art         @tab     @tab  X
 @item Apple Intermediate Codec @tab     @tab  X
 @item Apple MJPEG-B          @tab     @tab  X
+@item Apple Pixlet           @tab     @tab  X
 @item Apple ProRes           @tab  X  @tab  X
 @item Apple QuickDraw        @tab     @tab  X
     @tab fourcc: qdrw

libavcodec/Makefile

@@ -452,6 +452,7 @@ OBJS-$(CONFIG_PGMYUV_DECODER)          += pnmdec.o pnm.o
 OBJS-$(CONFIG_PGMYUV_ENCODER)          += pnmenc.o
 OBJS-$(CONFIG_PGSSUB_DECODER)          += pgssubdec.o
 OBJS-$(CONFIG_PICTOR_DECODER)          += pictordec.o cga_data.o
+OBJS-$(CONFIG_PIXLET_DECODER)          += pixlet.o
 OBJS-$(CONFIG_PJS_DECODER)             += textdec.o ass.o
 OBJS-$(CONFIG_PNG_DECODER)             += png.o pngdec.o pngdsp.o
 OBJS-$(CONFIG_PNG_ENCODER)             += png.o pngenc.o

libavcodec/allcodecs.c

@@ -281,6 +281,7 @@ void avcodec_register_all(void)
     REGISTER_ENCDEC (PGM,               pgm);
     REGISTER_ENCDEC (PGMYUV,            pgmyuv);
     REGISTER_DECODER(PICTOR,            pictor);
+    REGISTER_DECODER(PIXLET,            pixlet);
     REGISTER_ENCDEC (PNG,               png);
     REGISTER_ENCDEC (PPM,               ppm);
     REGISTER_ENCDEC (PRORES,            prores);

libavcodec/avcodec.h

@@ -412,6 +412,7 @@ enum AVCodecID {
     AV_CODEC_ID_SHEERVIDEO,
     AV_CODEC_ID_YLC,
     AV_CODEC_ID_PSD,
+    AV_CODEC_ID_PIXLET,
 
     /* various PCM "codecs" */
     AV_CODEC_ID_FIRST_AUDIO = 0x10000,     ///< A dummy id pointing at the start of audio codecs

libavcodec/codec_desc.c

@@ -1339,6 +1339,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("YUY2 Lossless Codec"),
         .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
+    {
+        .id        = AV_CODEC_ID_PIXLET,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "pixlet",
+        .long_name = NULL_IF_CONFIG_SMALL("Apple Pixlet"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY,
+    },
 
     /* image codecs */
     {

libavcodec/version.h

@@ -28,7 +28,7 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR  57
-#define LIBAVCODEC_VERSION_MINOR  69
+#define LIBAVCODEC_VERSION_MINOR  70
 #define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

libavformat/isom.c

@@ -296,6 +296,8 @@ const AVCodecTag ff_codec_movvideo_tags[] = {
     { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '6') },
     { AV_CODEC_ID_SHEERVIDEO, MKTAG('S', 'h', 'r', '7') },
 
+    { AV_CODEC_ID_PIXLET, MKTAG('p', 'x', 'l', 't') },
+
     { AV_CODEC_ID_NONE, 0 },
 };