/*
- * RIFF codec tags
+ * RIFF common functions and data
* Copyright (c) 2000 Fabrice Bellard
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
/*
- * RIFF codec tags
+ * RIFF common functions and data
* copyright (c) 2000 Fabrice Bellard
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
enum AVCodecID ff_codec_get_id(const AVCodecTag *tags, unsigned int tag);
void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale);
+typedef uint8_t ff_asf_guid[16];
+
int ff_read_riff_info(AVFormatContext *s, int64_t size);
+#define FF_PRI_GUID \
+ "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
+#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]
+
+static av_always_inline int ff_guidcmp(const void *g1, const void *g2)
+{
+ return memcmp(g1, g2, sizeof(ff_asf_guid));
+}
+
+void ff_get_guid(AVIOContext *s, ff_asf_guid *g);
+
+typedef struct {
+ enum AVCodecID id;
+ ff_asf_guid guid;
+} AVCodecGuid;
+
+enum AVCodecID ff_codec_guid_get_id(const AVCodecGuid *guids, ff_asf_guid guid);
+
+extern const AVCodecGuid ff_codec_wav_guids[];
+
+#define FF_MEDIASUBTYPE_BASE_GUID \
+ 0x00,0x00,0x10,0x00,0x80,0x00,0x00,0xAA,0x00,0x38,0x9B,0x71
+
+ /**
+ * 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);
+
#endif /* AVFORMAT_RIFF_H */