Merge commit 'c4bfa098'

* commit 'c4bfa098':
  Add a WebP decoder

Conflicts:
	Changelog
	doc/general.texi
	libavcodec/Makefile
	libavcodec/avcodec.h
	libavcodec/version.h
	libavformat/img2.c

The previously existing webp decoder is disabled as the new
one supports lossless mode and alpha while the previous does not.
Merged-by: Michael Niedermayer <michaelni@gmx.at>

Changelog

@@ -26,6 +26,7 @@ version <next>
 - adelay filter
 - pullup filter ported from libmpcodecs
 - ffprobe -read_intervals option
+- Lossless and alpha support for WebP decoder
 
 
 version 2.0:

doc/general.texi

@@ -488,6 +488,8 @@ following image formats are supported:
     @tab YUV, JPEG and some extension is not supported yet.
 @item Truevision Targa  @tab X @tab X
     @tab Targa (.TGA) image format
+@item WebP         @tab @tab X
+    @tab WebP image format
 @item XBM  @tab X @tab X
     @tab X BitMap image format
 @item XFace @tab X @tab X

libavcodec/Makefile

@@ -476,6 +476,7 @@ OBJS-$(CONFIG_VQA_DECODER)             += vqavideo.o
 OBJS-$(CONFIG_WAVPACK_DECODER)         += wavpack.o
 OBJS-$(CONFIG_WAVPACK_ENCODER)         += wavpackenc.o
 OBJS-$(CONFIG_WEBP_DECODER)            += vp8.o vp8dsp.o vp56rac.o
+OBJS-$(CONFIG_WEBP_DECODER)            += webp.o
 OBJS-$(CONFIG_WEBVTT_DECODER)          += webvttdec.o
 OBJS-$(CONFIG_WMALOSSLESS_DECODER)     += wmalosslessdec.o wma_common.o
 OBJS-$(CONFIG_WMAPRO_DECODER)          += wmaprodec.o wma.o wma_common.o

libavcodec/avcodec.h

@@ -275,6 +275,7 @@ enum AVCodecID {
     AV_CODEC_ID_AIC,
     AV_CODEC_ID_ESCAPE130_DEPRECATED,
     AV_CODEC_ID_G2M_DEPRECATED,
+    AV_CODEC_ID_WEBP_DEPRECATED,
 
     AV_CODEC_ID_BRENDER_PIX= MKBETAG('B','P','I','X'),
     AV_CODEC_ID_Y41P       = MKBETAG('Y','4','1','P'),

libavcodec/codec_desc.c

@@ -1044,13 +1044,6 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("Google VP9"),
         .props     = AV_CODEC_PROP_LOSSY,
     },
-    {
-        .id        = AV_CODEC_ID_WEBP,
-        .type      = AVMEDIA_TYPE_VIDEO,
-        .name      = "webp",
-        .long_name = NULL_IF_CONFIG_SMALL("WebP"),
-        .props     = AV_CODEC_PROP_LOSSY,
-    },
     {
         .id        = AV_CODEC_ID_PICTOR,
         .type      = AVMEDIA_TYPE_VIDEO,
@@ -1393,6 +1386,14 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("Go2Meeting"),
         .props     = AV_CODEC_PROP_LOSSY,
     },
+    {
+        .id        = AV_CODEC_ID_WEBP,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "webp",
+        .long_name = NULL_IF_CONFIG_SMALL("WebP"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY |
+                     AV_CODEC_PROP_LOSSLESS,
+    },
 
     /* various PCM "codecs" */
     {

libavcodec/utils.c

@@ -2487,6 +2487,7 @@ static enum AVCodecID remap_deprecated_codec_id(enum AVCodecID id)
         case AV_CODEC_ID_TAK_DEPRECATED : return AV_CODEC_ID_TAK;
         case AV_CODEC_ID_ESCAPE130_DEPRECATED : return AV_CODEC_ID_ESCAPE130;
         case AV_CODEC_ID_G2M_DEPRECATED : return AV_CODEC_ID_G2M;
+        case AV_CODEC_ID_WEBP_DEPRECATED: return AV_CODEC_ID_WEBP;
         default                         : return id;
     }
 }

libavcodec/version.h

@@ -29,8 +29,8 @@
 #include "libavutil/avutil.h"
 
 #define LIBAVCODEC_VERSION_MAJOR 55
-#define LIBAVCODEC_VERSION_MINOR  31
-#define LIBAVCODEC_VERSION_MICRO 101
+#define LIBAVCODEC_VERSION_MINOR  32
+#define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \

libavcodec/vp8.c

@@ -1854,8 +1854,8 @@ static int vp8_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata,
     return 0;
 }
 
-static int vp8_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
-                            AVPacket *avpkt)
+int ff_vp8_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
+                        AVPacket *avpkt)
 {
     VP8Context *s = avctx->priv_data;
     int ret, i, referenced, num_jobs;
@@ -2009,7 +2009,7 @@ err:
     return ret;
 }
 
-static av_cold int vp8_decode_free(AVCodecContext *avctx)
+av_cold int ff_vp8_decode_free(AVCodecContext *avctx)
 {
     VP8Context *s = avctx->priv_data;
     int i;
@@ -2032,7 +2032,7 @@ static av_cold int vp8_init_frames(VP8Context *s)
     return 0;
 }
 
-static av_cold int vp8_decode_init(AVCodecContext *avctx)
+av_cold int ff_vp8_decode_init(AVCodecContext *avctx)
 {
     VP8Context *s = avctx->priv_data;
     int ret;
@@ -2046,7 +2046,7 @@ static av_cold int vp8_decode_init(AVCodecContext *avctx)
     ff_vp8dsp_init(&s->vp8dsp);
 
     if ((ret = vp8_init_frames(s)) < 0) {
-        vp8_decode_free(avctx);
+        ff_vp8_decode_free(avctx);
         return ret;
     }
 
@@ -2061,7 +2061,7 @@ static av_cold int vp8_decode_init_thread_copy(AVCodecContext *avctx)
     s->avctx = avctx;
 
     if ((ret = vp8_init_frames(s)) < 0) {
-        vp8_decode_free(avctx);
+        ff_vp8_decode_free(avctx);
         return ret;
     }
 
@@ -2147,7 +2147,7 @@ static int webp_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
     pkt.data = buf;
     pkt.size = buf_size;
 
-    return vp8_decode_frame(avctx, data, data_size, &pkt);
+    return ff_vp8_decode_frame(avctx, data, data_size, &pkt);
 }
 
 AVCodec ff_vp8_decoder = {
@@ -2155,9 +2155,9 @@ AVCodec ff_vp8_decoder = {
     .type                  = AVMEDIA_TYPE_VIDEO,
     .id                    = AV_CODEC_ID_VP8,
     .priv_data_size        = sizeof(VP8Context),
-    .init                  = vp8_decode_init,
-    .close                 = vp8_decode_free,
-    .decode                = vp8_decode_frame,
+    .init                  = ff_vp8_decode_init,
+    .close                 = ff_vp8_decode_free,
+    .decode                = ff_vp8_decode_frame,
     .capabilities          = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS | CODEC_CAP_SLICE_THREADS,
     .flush                 = vp8_decode_flush,
     .long_name             = NULL_IF_CONFIG_SMALL("On2 VP8"),
@@ -2165,17 +2165,17 @@ AVCodec ff_vp8_decoder = {
     .update_thread_context = ONLY_IF_THREADS_ENABLED(vp8_decode_update_thread_context),
 };
 
-AVCodec ff_webp_decoder = {
-    .name                  = "webp",
-    .type                  = AVMEDIA_TYPE_VIDEO,
-    .id                    = AV_CODEC_ID_WEBP,
-    .priv_data_size        = sizeof(VP8Context),
-    .init                  = vp8_decode_init,
-    .close                 = vp8_decode_free,
-    .decode                = webp_decode_frame,
-    .capabilities          = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS | CODEC_CAP_SLICE_THREADS,
-    .flush                 = vp8_decode_flush,
-    .long_name             = NULL_IF_CONFIG_SMALL("WebP"),
-    .init_thread_copy      = ONLY_IF_THREADS_ENABLED(vp8_decode_init_thread_copy),
-    .update_thread_context = ONLY_IF_THREADS_ENABLED(vp8_decode_update_thread_context),
-};
+// AVCodec ff_webp_decoder = {
+//     .name                  = "webp",
+//     .type                  = AVMEDIA_TYPE_VIDEO,
+//     .id                    = AV_CODEC_ID_WEBP,
+//     .priv_data_size        = sizeof(VP8Context),
+//     .init                  = vp8_decode_init,
+//     .close                 = vp8_decode_free,
+//     .decode                = webp_decode_frame,
+//     .capabilities          = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS | CODEC_CAP_SLICE_THREADS,
+//     .flush                 = vp8_decode_flush,
+//     .long_name             = NULL_IF_CONFIG_SMALL("WebP"),
+//     .init_thread_copy      = ONLY_IF_THREADS_ENABLED(vp8_decode_init_thread_copy),
+//     .update_thread_context = ONLY_IF_THREADS_ENABLED(vp8_decode_update_thread_context),
+// };

libavcodec/vp8.h

@@ -271,4 +271,11 @@ typedef struct VP8Context {
     int mb_layout;
 } VP8Context;
 
+int ff_vp8_decode_init(AVCodecContext *avctx);
+
+int ff_vp8_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
+                        AVPacket *avpkt);
+
+int ff_vp8_decode_free(AVCodecContext *avctx);
+
 #endif /* AVCODEC_VP8_H */