mpegvideo_enc: export vbv_delay in side data

[ffmpeg] / libavformat / riff.h

diff --git a/libavformat/riff.h b/libavformat/riff.h
index 240855a8b23be082cdb00c00510e90c12aaffb6c..5bac95a853b748a80e3107218dba5858ade7e1b1 100644 (file)
--- a/libavformat/riff.h
+++ b/libavformat/riff.h
@@ -1,51 +1,101 @@
 /*
- * RIFF codec tags
+ * RIFF common functions and data
  * copyright (c) 2000 Fabrice Bellard
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef FF_RIFF_H
-#define FF_RIFF_H
+/**
+ * @file
+ * internal header for RIFF based (de)muxers
+ * do NOT include this in end user applications
+ */
+
+#ifndef AVFORMAT_RIFF_H
+#define AVFORMAT_RIFF_H
+
+#include "libavcodec/avcodec.h"
+#include "avio.h"
+#include "internal.h"
+#include "metadata.h"
+
+extern const AVMetadataConv ff_riff_info_conv[];
+
+int64_t ff_start_tag(AVIOContext *pb, const char *tag);
+void ff_end_tag(AVIOContext *pb, int64_t start);
+
+/**
+ * Read BITMAPINFOHEADER structure and set AVStream codec width, height and
+ * bits_per_encoded_sample fields. Does not read extradata.
+ * @return codec tag
+ */
+int ff_get_bmp_header(AVIOContext *pb, AVStream *st);
+
+void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf);
+int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc);
+enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps);
+int ff_get_wav_header(AVFormatContext *s, AVIOContext *pb, AVCodecContext *codec, int size);
+
+extern const AVCodecTag ff_codec_bmp_tags[];
+extern const AVCodecTag ff_codec_wav_tags[];
+
+void ff_parse_specific_params(AVStream *st, int *au_rate, int *au_ssize, int *au_scale);
+
+int ff_read_riff_info(AVFormatContext *s, int64_t size);
+
+/**
+ * Write all recognized RIFF tags from s->metadata
+ */
+void ff_riff_write_info(AVFormatContext *s);
+
+/**
+ * Write a single RIFF info tag
+ */
+void ff_riff_write_info_tag(AVIOContext *pb, const char *tag, const char *str);
+
+typedef uint8_t ff_asf_guid[16];
+
+typedef struct AVCodecGuid {
+    enum AVCodecID id;
+    ff_asf_guid guid;
+} AVCodecGuid;
+
+extern const AVCodecGuid ff_codec_wav_guids[];
+
+#define FF_PRI_GUID \
+    "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
 
-offset_t start_tag(ByteIOContext *pb, const char *tag);
-void end_tag(ByteIOContext *pb, offset_t start);
+#define FF_ARG_GUID(g) \
+    g[0], g[1], g[2],  g[3],  g[4],  g[5],  g[6],  g[7], \
+    g[8], g[9], g[10], g[11], g[12], g[13], g[14], g[15]
 
-typedef struct CodecTag {
-    int id;
-    unsigned int tag;
-    unsigned int invalid_asf : 1;
-} CodecTag;
+#define FF_MEDIASUBTYPE_BASE_GUID \
+    0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71
 
-void put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const CodecTag *tags, int for_asf);
-int put_wav_header(ByteIOContext *pb, AVCodecContext *enc);
-int wav_codec_get_id(unsigned int tag, int bps);
-void get_wav_header(ByteIOContext *pb, AVCodecContext *codec, int size);
+static av_always_inline int ff_guidcmp(const void *g1, const void *g2)
+{
+    return memcmp(g1, g2, sizeof(ff_asf_guid));
+}
 
-extern const CodecTag codec_bmp_tags[];
-extern const CodecTag codec_wav_tags[];
+static av_always_inline int ff_get_guid(AVIOContext *s, ff_asf_guid *g)
+{
+    return avio_read(s, *g, sizeof(*g));
+}
 
-unsigned int codec_get_tag(const CodecTag *tags, int id);
-enum CodecID codec_get_id(const CodecTag *tags, unsigned int tag);
-unsigned int codec_get_bmp_tag(int id);
-unsigned int codec_get_wav_tag(int id);
-enum CodecID codec_get_bmp_id(unsigned int tag);
-enum CodecID codec_get_wav_id(unsigned int tag);
-unsigned int codec_get_asf_tag(const CodecTag *tags, unsigned int id);
-void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale);
+enum AVCodecID ff_codec_guid_get_id(const AVCodecGuid *guids, ff_asf_guid guid);
 
-#endif
+#endif /* AVFORMAT_RIFF_H */