Merge commit 'd1d9efaae6c7e8466b06c30ca21c6b569dd2e480'

* commit 'd1d9efaae6c7e8466b06c30ca21c6b569dd2e480':
  avcodec: split avpicture from imgconvert
  pixdesc: add PIX_FMT_ALPHA flag

Conflicts:
	libavcodec/imgconvert.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

6 files changed, 108 insertions, 71 deletions

diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 938b5acfd6..e937c4b9fa 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -16,6 +16,7 @@ HEADERS = avcodec.h                                                     \
 OBJS = allcodecs.o                                                      \
        audioconvert.o                                                   \
        avpacket.o                                                       \
+       avpicture.o                                                      \
        bitstream.o                                                      \
        bitstream_filter.o                                               \
        codec_desc.o                                                     \
diff --git a/libavcodec/avpicture.c b/libavcodec/avpicture.c
new file mode 100644
index 0000000000..a6f89ef884
--- /dev/null
+++ b/libavcodec/avpicture.c
@@ -0,0 +1,78 @@
+/*
+ * AVPicture management routines
+ * Copyright (c) 2001, 2002, 2003 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * AVPicture management routines
+ */
+
+#include "avcodec.h"
+#include "internal.h"
+#include "libavutil/common.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/colorspace.h"
+
+int avpicture_fill(AVPicture *picture, const uint8_t *ptr,
+                   enum AVPixelFormat pix_fmt, int width, int height)
+{
+    return av_image_fill_arrays(picture->data, picture->linesize,
+                                ptr, pix_fmt, width, height, 1);
+}
+
+int avpicture_layout(const AVPicture* src, enum AVPixelFormat pix_fmt, int width, int height,
+                     unsigned char *dest, int dest_size)
+{
+    return av_image_copy_to_buffer(dest, dest_size,
+                                   (const uint8_t * const*)src->data, src->linesize,
+                                   pix_fmt, width, height, 1);
+}
+
+int avpicture_get_size(enum AVPixelFormat pix_fmt, int width, int height)
+{
+    return av_image_get_buffer_size(pix_fmt, width, height, 1);
+}
+
+int avpicture_alloc(AVPicture *picture,
+                    enum AVPixelFormat pix_fmt, int width, int height)
+{
+    int ret = av_image_alloc(picture->data, picture->linesize,
+                             width, height, pix_fmt, 1);
+    if (ret < 0) {
+        memset(picture, 0, sizeof(AVPicture));
+        return ret;
+    }
+
+    return 0;
+}
+
+void avpicture_free(AVPicture *picture)
+{
+    av_free(picture->data[0]);
+}
+
+void av_picture_copy(AVPicture *dst, const AVPicture *src,
+                     enum AVPixelFormat pix_fmt, int width, int height)
+{
+    av_image_copy(dst->data, dst->linesize, (const uint8_t **)src->data,
+                  src->linesize, pix_fmt, width, height);
+}
+
diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index 39c49bddde..2ba4a6ae09 100644
--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -433,26 +433,6 @@ void avcodec_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int
     *v_shift = desc->log2_chroma_h;
 }
 
-int avpicture_fill(AVPicture *picture, const uint8_t *ptr,
-                   enum AVPixelFormat pix_fmt, int width, int height)
-{
-    return av_image_fill_arrays(picture->data, picture->linesize,
-                                ptr, pix_fmt, width, height, 1);
-}
-
-int avpicture_layout(const AVPicture* src, enum AVPixelFormat pix_fmt, int width, int height,
-                     unsigned char *dest, int dest_size)
-{
-    return av_image_copy_to_buffer(dest, dest_size,
-                                   (const uint8_t * const*)src->data, src->linesize,
-                                   pix_fmt, width, height, 1);
-}
-
-int avpicture_get_size(enum AVPixelFormat pix_fmt, int width, int height)
-{
-    return av_image_get_buffer_size(pix_fmt, width, height, 1);
-}
-
 static int get_pix_fmt_depth(int *min, int *max, enum AVPixelFormat pix_fmt)
 {
     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
@@ -635,13 +615,6 @@ enum AVPixelFormat avcodec_find_best_pix_fmt_of_list(enum AVPixelFormat *pix_fmt
     return best;
 }
 
-void av_picture_copy(AVPicture *dst, const AVPicture *src,
-                     enum AVPixelFormat pix_fmt, int width, int height)
-{
-    av_image_copy(dst->data, dst->linesize, (const uint8_t **)src->data,
-                  src->linesize, pix_fmt, width, height);
-}
-
 /* 2x2 -> 1x1 */
 void ff_shrink22(uint8_t *dst, int dst_wrap,
                      const uint8_t *src, int src_wrap,
@@ -728,25 +701,6 @@ void ff_shrink88(uint8_t *dst, int dst_wrap,
     }
 }
 
-
-int avpicture_alloc(AVPicture *picture,
-                    enum AVPixelFormat pix_fmt, int width, int height)
-{
-    int ret;
-
-    if ((ret = av_image_alloc(picture->data, picture->linesize, width, height, pix_fmt, 1)) < 0) {
-        memset(picture, 0, sizeof(AVPicture));
-        return ret;
-    }
-
-    return 0;
-}
-
-void avpicture_free(AVPicture *picture)
-{
-    av_free(picture->data[0]);
-}
-
 /* return true if yuv planar */
 static inline int is_yuv_planar(enum AVPixelFormat fmt)
 {
diff --git a/libavfilter/drawutils.c b/libavfilter/drawutils.c
index 23ab17aa28..aefd09d1ea 100644
--- a/libavfilter/drawutils.c
+++ b/libavfilter/drawutils.c
@@ -141,7 +141,7 @@ int ff_draw_init(FFDrawContext *draw, enum AVPixelFormat format, unsigned flags)
 
     if (!desc->name)
         return AVERROR(EINVAL);
-    if (desc->flags & ~(PIX_FMT_PLANAR | PIX_FMT_RGB | PIX_FMT_PSEUDOPAL))
+    if (desc->flags & ~(PIX_FMT_PLANAR | PIX_FMT_RGB | PIX_FMT_PSEUDOPAL | PIX_FMT_ALPHA))
         return AVERROR(ENOSYS);
     for (i = 0; i < desc->nb_components; i++) {
         c = &desc->comp[i];
diff --git a/libavutil/pixdesc.c b/libavutil/pixdesc.c
index bbe64bee7a..e5e3fa8551 100644
--- a/libavutil/pixdesc.c
+++ b/libavutil/pixdesc.c
@@ -436,7 +436,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 0, 3, 4, 0, 7 },        /* B */
             { 0, 3, 1, 0, 7 },        /* A */
         },
-        .flags = PIX_FMT_RGB,
+        .flags = PIX_FMT_RGB | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_RGBA] = {
         .name = "rgba",
@@ -449,7 +449,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 0, 3, 3, 0, 7 },        /* B */
             { 0, 3, 4, 0, 7 },        /* A */
         },
-        .flags = PIX_FMT_RGB,
+        .flags = PIX_FMT_RGB | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_ABGR] = {
         .name = "abgr",
@@ -462,7 +462,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 0, 3, 2, 0, 7 },        /* B */
             { 0, 3, 1, 0, 7 },        /* A */
         },
-        .flags = PIX_FMT_RGB,
+        .flags = PIX_FMT_RGB | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_BGRA] = {
         .name = "bgra",
@@ -525,7 +525,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 0, 3, 1, 0, 7 },        /* B */
             { 0, 3, 4, 0, 7 },        /* A */
         },
-        .flags = PIX_FMT_RGB,
+        .flags = PIX_FMT_RGB | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_GRAY16BE] = {
         .name = "gray16be",
@@ -581,7 +581,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 0, 1, 0, 7 },        /* V */
             { 3, 0, 1, 0, 7 },        /* A */
         },
-        .flags = PIX_FMT_PLANAR,
+        .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA422P] = {
         .name = "yuva422p",
@@ -594,7 +594,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 0, 1, 0, 7 },        /* V */
             { 3, 0, 1, 0, 7 },        /* A */
         },
-        .flags = PIX_FMT_PLANAR,
+        .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA444P] = {
         .name = "yuva444p",
@@ -607,7 +607,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 0, 1, 0, 7 },        /* V */
             { 3, 0, 1, 0, 7 },        /* A */
         },
-        .flags = PIX_FMT_PLANAR,
+        .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA420P9BE] = {
         .name = "yuva420p9be",
@@ -633,7 +633,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 1, 1, 0, 8 },        /* V */
             { 3, 1, 1, 0, 8 },        /* A */
         },
-        .flags = PIX_FMT_PLANAR,
+        .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA422P9BE] = {
         .name = "yuva422p9be",
@@ -646,7 +646,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 1, 1, 0, 8 },        /* V */
             { 3, 1, 1, 0, 8 },        /* A */
         },
-        .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
+        .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA422P9LE] = {
         .name = "yuva422p9le",
@@ -659,7 +659,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 1, 1, 0, 8 },        /* V */
             { 3, 1, 1, 0, 8 },        /* A */
         },
-        .flags = PIX_FMT_PLANAR,
+        .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA444P9BE] = {
         .name = "yuva444p9be",
@@ -672,7 +672,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 1, 1, 0, 8 },        /* V */
             { 3, 1, 1, 0, 8 },        /* A */
         },
-        .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
+        .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA444P9LE] = {
         .name = "yuva444p9le",
@@ -685,7 +685,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 1, 1, 0, 8 },        /* V */
             { 3, 1, 1, 0, 8 },        /* A */
         },
-        .flags = PIX_FMT_PLANAR,
+        .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA420P10BE] = {
         .name = "yuva420p10be",
@@ -698,7 +698,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 1, 1, 0, 9 },        /* V */
             { 3, 1, 1, 0, 9 },        /* A */
         },
-        .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
+        .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA420P10LE] = {
         .name = "yuva420p10le",
@@ -711,7 +711,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 1, 1, 0, 15 },        /* V */
             { 3, 1, 1, 0, 15 },        /* A */
         },
-        .flags = PIX_FMT_PLANAR,
+        .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA422P10BE] = {
         .name = "yuva422p10be",
@@ -724,7 +724,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 1, 1, 0, 15 },        /* V */
             { 3, 1, 1, 0, 15 },        /* A */
         },
-        .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
+        .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA422P10LE] = {
         .name = "yuva422p10le",
@@ -737,7 +737,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 1, 1, 0, 15 },        /* V */
             { 3, 1, 1, 0, 15 },        /* A */
         },
-        .flags = PIX_FMT_PLANAR,
+        .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA444P10BE] = {
         .name = "yuva444p10be",
@@ -750,7 +750,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 1, 1, 0, 15 },        /* V */
             { 3, 1, 1, 0, 15 },        /* A */
         },
-        .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
+        .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA444P10LE] = {
         .name = "yuva444p10le",
@@ -763,7 +763,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 1, 1, 0, 15 },        /* V */
             { 3, 1, 1, 0, 15 },        /* A */
         },
-        .flags = PIX_FMT_PLANAR,
+        .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA420P16BE] = {
         .name = "yuva420p16be",
@@ -776,7 +776,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 1, 1, 0, 15 },        /* V */
             { 3, 1, 1, 0, 15 },        /* A */
         },
-        .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
+        .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA420P16LE] = {
         .name = "yuva420p16le",
@@ -789,7 +789,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 1, 1, 0, 15 },        /* V */
             { 3, 1, 1, 0, 15 },        /* A */
         },
-        .flags = PIX_FMT_PLANAR,
+        .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA422P16BE] = {
         .name = "yuva422p16be",
@@ -802,7 +802,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 1, 1, 0, 15 },        /* V */
             { 3, 1, 1, 0, 15 },        /* A */
         },
-        .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
+        .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA422P16LE] = {
         .name = "yuva422p16le",
@@ -815,7 +815,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 1, 1, 0, 15 },        /* V */
             { 3, 1, 1, 0, 15 },        /* A */
         },
-        .flags = PIX_FMT_PLANAR,
+        .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA444P16BE] = {
         .name = "yuva444p16be",
@@ -828,7 +828,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 1, 1, 0, 15 },        /* V */
             { 3, 1, 1, 0, 15 },        /* A */
         },
-        .flags = PIX_FMT_BE | PIX_FMT_PLANAR,
+        .flags = PIX_FMT_BE | PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_YUVA444P16LE] = {
         .name = "yuva444p16le",
@@ -841,7 +841,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 2, 1, 1, 0, 15 },        /* V */
             { 3, 1, 1, 0, 15 },        /* A */
         },
-        .flags = PIX_FMT_PLANAR,
+        .flags = PIX_FMT_PLANAR | PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_VDPAU_H264] = {
         .name = "vdpau_h264",
@@ -1520,6 +1520,7 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
             { 0, 1, 1, 0, 7 },        /* Y */
             { 0, 1, 2, 0, 7 },        /* A */
         },
+        .flags = PIX_FMT_ALPHA,
     },
     [AV_PIX_FMT_GBRP] = {
         .name = "gbrp",
diff --git a/libavutil/pixdesc.h b/libavutil/pixdesc.h
index dca56a71aa..59fd1fff25 100644
--- a/libavutil/pixdesc.h
+++ b/libavutil/pixdesc.h
@@ -99,6 +99,9 @@ typedef struct AVPixFmtDescriptor{
  */
 #define PIX_FMT_PSEUDOPAL 64
 
+#define PIX_FMT_ALPHA   128 ///< The pixel format has an alpha channel
+
+
 #if FF_API_PIX_FMT_DESC
 /**
  * The array of all the pixel format descriptors.