[PATCH] Move sample format definitions from libavcodec to libavutil.

Stefano Sabatini stefano.sabatini-lala
Sat Apr 3 19:50:19 CEST 2010


---
 libavcodec/avcodec.h  |   58 --------------------------------
 libavutil/Makefile    |    1 +
 libavutil/avutil.h    |    1 +
 libavutil/samplefmt.h |   87 +++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 89 insertions(+), 58 deletions(-)
 create mode 100644 libavutil/samplefmt.h

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index add4b10..09145a5 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -367,64 +367,6 @@ enum CodecID {
 #define CODEC_TYPE_NB         AVMEDIA_TYPE_NB
 #endif
 
-/**
- * all in native-endian format
- */
-enum SampleFormat {
-    SAMPLE_FMT_NONE = -1,
-    SAMPLE_FMT_U8,              ///< unsigned 8 bits
-    SAMPLE_FMT_S16,             ///< signed 16 bits
-    SAMPLE_FMT_S32,             ///< signed 32 bits
-    SAMPLE_FMT_FLT,             ///< float
-    SAMPLE_FMT_DBL,             ///< double
-    SAMPLE_FMT_NB               ///< Number of sample formats. DO NOT USE if dynamically linking to libavcodec
-};
-
-/* Audio channel masks */
-#define CH_FRONT_LEFT             0x00000001
-#define CH_FRONT_RIGHT            0x00000002
-#define CH_FRONT_CENTER           0x00000004
-#define CH_LOW_FREQUENCY          0x00000008
-#define CH_BACK_LEFT              0x00000010
-#define CH_BACK_RIGHT             0x00000020
-#define CH_FRONT_LEFT_OF_CENTER   0x00000040
-#define CH_FRONT_RIGHT_OF_CENTER  0x00000080
-#define CH_BACK_CENTER            0x00000100
-#define CH_SIDE_LEFT              0x00000200
-#define CH_SIDE_RIGHT             0x00000400
-#define CH_TOP_CENTER             0x00000800
-#define CH_TOP_FRONT_LEFT         0x00001000
-#define CH_TOP_FRONT_CENTER       0x00002000
-#define CH_TOP_FRONT_RIGHT        0x00004000
-#define CH_TOP_BACK_LEFT          0x00008000
-#define CH_TOP_BACK_CENTER        0x00010000
-#define CH_TOP_BACK_RIGHT         0x00020000
-#define CH_STEREO_LEFT            0x20000000  ///< Stereo downmix.
-#define CH_STEREO_RIGHT           0x40000000  ///< See CH_STEREO_LEFT.
-
-/** Channel mask value used for AVCodecContext.request_channel_layout
-    to indicate that the user requests the channel order of the decoder output
-    to be the native codec channel order. */
-#define CH_LAYOUT_NATIVE          0x8000000000000000LL
-
-/* Audio channel convenience macros */
-#define CH_LAYOUT_MONO              (CH_FRONT_CENTER)
-#define CH_LAYOUT_STEREO            (CH_FRONT_LEFT|CH_FRONT_RIGHT)
-#define CH_LAYOUT_2_1               (CH_LAYOUT_STEREO|CH_BACK_CENTER)
-#define CH_LAYOUT_SURROUND          (CH_LAYOUT_STEREO|CH_FRONT_CENTER)
-#define CH_LAYOUT_4POINT0           (CH_LAYOUT_SURROUND|CH_BACK_CENTER)
-#define CH_LAYOUT_2_2               (CH_LAYOUT_STEREO|CH_SIDE_LEFT|CH_SIDE_RIGHT)
-#define CH_LAYOUT_QUAD              (CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_RIGHT)
-#define CH_LAYOUT_5POINT0           (CH_LAYOUT_SURROUND|CH_SIDE_LEFT|CH_SIDE_RIGHT)
-#define CH_LAYOUT_5POINT1           (CH_LAYOUT_5POINT0|CH_LOW_FREQUENCY)
-#define CH_LAYOUT_5POINT0_BACK      (CH_LAYOUT_SURROUND|CH_BACK_LEFT|CH_BACK_RIGHT)
-#define CH_LAYOUT_5POINT1_BACK      (CH_LAYOUT_5POINT0_BACK|CH_LOW_FREQUENCY)
-#define CH_LAYOUT_7POINT0           (CH_LAYOUT_5POINT0|CH_BACK_LEFT|CH_BACK_RIGHT)
-#define CH_LAYOUT_7POINT1           (CH_LAYOUT_5POINT1|CH_BACK_LEFT|CH_BACK_RIGHT)
-#define CH_LAYOUT_7POINT1_WIDE      (CH_LAYOUT_5POINT1_BACK|\
-                                          CH_FRONT_LEFT_OF_CENTER|CH_FRONT_RIGHT_OF_CENTER)
-#define CH_LAYOUT_STEREO_DOWNMIX    (CH_STEREO_LEFT|CH_STEREO_RIGHT)
-
 /* in bytes */
 #define AVCODEC_MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio
 
diff --git a/libavutil/Makefile b/libavutil/Makefile
index 79506c0..1ac1732 100644
--- a/libavutil/Makefile
+++ b/libavutil/Makefile
@@ -20,6 +20,7 @@ HEADERS = adler32.h                                                     \
           pixdesc.h                                                     \
           pixfmt.h                                                      \
           rational.h                                                    \
+          samplefmt.h                                                   \
           sha1.h                                                        \
 
 BUILT_HEADERS = avconfig.h
diff --git a/libavutil/avutil.h b/libavutil/avutil.h
index 1523de6..818ee9d 100644
--- a/libavutil/avutil.h
+++ b/libavutil/avutil.h
@@ -85,5 +85,6 @@ enum AVMediaType {
 #include "intfloat_readwrite.h"
 #include "log.h"
 #include "pixfmt.h"
+#include "samplefmt.h"
 
 #endif /* AVUTIL_AVUTIL_H */
diff --git a/libavutil/samplefmt.h b/libavutil/samplefmt.h
new file mode 100644
index 0000000..bf158e7
--- /dev/null
+++ b/libavutil/samplefmt.h
@@ -0,0 +1,87 @@
+/*
+ * 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
+ */
+
+#ifndef AVUTIL_SAMPLEFMT_H
+#define AVUTIL_SAMPLEFMT_H
+
+/**
+ * @file libavutil/samplefmt.h
+ * audio sample format definitions
+ *
+ * @warning This file has to be considered an internal but installed
+ * header, so it should not be directly included in your projects.
+ */
+
+/**
+ * all in native-endian format
+ */
+enum SampleFormat {
+    SAMPLE_FMT_NONE = -1,
+    SAMPLE_FMT_U8,              ///< unsigned 8 bits
+    SAMPLE_FMT_S16,             ///< signed 16 bits
+    SAMPLE_FMT_S32,             ///< signed 32 bits
+    SAMPLE_FMT_FLT,             ///< float
+    SAMPLE_FMT_DBL,             ///< double
+    SAMPLE_FMT_NB               ///< Number of sample formats. DO NOT USE if dynamically linking to libavcodec
+};
+
+/* Audio channel masks */
+#define CH_FRONT_LEFT             0x00000001
+#define CH_FRONT_RIGHT            0x00000002
+#define CH_FRONT_CENTER           0x00000004
+#define CH_LOW_FREQUENCY          0x00000008
+#define CH_BACK_LEFT              0x00000010
+#define CH_BACK_RIGHT             0x00000020
+#define CH_FRONT_LEFT_OF_CENTER   0x00000040
+#define CH_FRONT_RIGHT_OF_CENTER  0x00000080
+#define CH_BACK_CENTER            0x00000100
+#define CH_SIDE_LEFT              0x00000200
+#define CH_SIDE_RIGHT             0x00000400
+#define CH_TOP_CENTER             0x00000800
+#define CH_TOP_FRONT_LEFT         0x00001000
+#define CH_TOP_FRONT_CENTER       0x00002000
+#define CH_TOP_FRONT_RIGHT        0x00004000
+#define CH_TOP_BACK_LEFT          0x00008000
+#define CH_TOP_BACK_CENTER        0x00010000
+#define CH_TOP_BACK_RIGHT         0x00020000
+#define CH_STEREO_LEFT            0x20000000  ///< Stereo downmix.
+#define CH_STEREO_RIGHT           0x40000000  ///< See CH_STEREO_LEFT.
+
+/** Channel mask value used for AVCodecContext.request_channel_layout
+    to indicate that the user requests the channel order of the decoder output
+    to be the native codec channel order. */
+#define CH_LAYOUT_NATIVE          0x8000000000000000LL
+
+/* Audio channel convenience macros */
+#define CH_LAYOUT_MONO              (CH_FRONT_CENTER)
+#define CH_LAYOUT_STEREO            (CH_FRONT_LEFT|CH_FRONT_RIGHT)
+#define CH_LAYOUT_2_1               (CH_LAYOUT_STEREO|CH_BACK_CENTER)
+#define CH_LAYOUT_SURROUND          (CH_LAYOUT_STEREO|CH_FRONT_CENTER)
+#define CH_LAYOUT_4POINT0           (CH_LAYOUT_SURROUND|CH_BACK_CENTER)
+#define CH_LAYOUT_2_2               (CH_LAYOUT_STEREO|CH_SIDE_LEFT|CH_SIDE_RIGHT)
+#define CH_LAYOUT_QUAD              (CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_RIGHT)
+#define CH_LAYOUT_5POINT0           (CH_LAYOUT_SURROUND|CH_SIDE_LEFT|CH_SIDE_RIGHT)
+#define CH_LAYOUT_5POINT1           (CH_LAYOUT_5POINT0|CH_LOW_FREQUENCY)
+#define CH_LAYOUT_5POINT0_BACK      (CH_LAYOUT_SURROUND|CH_BACK_LEFT|CH_BACK_RIGHT)
+#define CH_LAYOUT_5POINT1_BACK      (CH_LAYOUT_5POINT0_BACK|CH_LOW_FREQUENCY)
+#define CH_LAYOUT_7POINT0           (CH_LAYOUT_5POINT0|CH_BACK_LEFT|CH_BACK_RIGHT)
+#define CH_LAYOUT_7POINT1           (CH_LAYOUT_5POINT1|CH_BACK_LEFT|CH_BACK_RIGHT)
+#define CH_LAYOUT_7POINT1_WIDE      (CH_LAYOUT_5POINT1_BACK|CH_FRONT_LEFT_OF_CENTER|CH_FRONT_RIGHT_OF_CENTER)
+#define CH_LAYOUT_STEREO_DOWNMIX    (CH_STEREO_LEFT|CH_STEREO_RIGHT)
+
+#endif  /* AVUTIL_SAMPLEFMT_H */
-- 
1.7.0


--45Z9DzgjV8m4Oswq--



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