[Gnash-commit] [SCM] Gnash branch, master, updated. release_0_8_9_final-2289-gf9db2f2

[Sandro Santilli]

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- Log -----------------------------------------------------------------
http://git.savannah.gnu.org/cgit//commit/?id=f9db2f227e72b177854f497b72c0f9ab45b6869a


commit f9db2f227e72b177854f497b72c0f9ab45b6869a
Author: Nutchanon Wetchasit <***@gmail.com>
Date: Thu Jan 26 12:00:56 2017 +0100

Use an endian-neutral way for writing audio dump's WAVE header.

diff --git a/libsound/WAVWriter.cpp b/libsound/WAVWriter.cpp
index 995523b..62ec9ca 100644
--- a/libsound/WAVWriter.cpp
+++ b/libsound/WAVWriter.cpp
@@ -136,11 +136,21 @@ WAVWriter::write_wave_header(std::ofstream& outfile)
wav.rLen = sizeof(WAV_HDR) - 8 + sizeof(CHUNK_HDR) + chk.dLen;

/* write riff/wav header */
- outfile.write((char *)&wav, sizeof(WAV_HDR));
-
+ outfile.write(wav.rID, 4);
+ write_uint32(outfile, wav.rLen);
+ outfile.write(wav.wID, 4);
+ outfile.write(wav.fId, 4);
+ write_uint32(outfile, wav.pcm_header_len);
+ write_uint16(outfile, wav.wFormatTag);
+ write_uint16(outfile, wav.nChannels);
+ write_uint32(outfile, wav.nSamplesPerSec);
+ write_uint32(outfile, wav.nAvgBytesPerSec);
+ write_uint16(outfile, wav.nBlockAlign);
+ write_uint16(outfile, wav.nBitsPerSample);
+
/* write chunk header */
- outfile.write((char *)&chk, sizeof(CHUNK_HDR));
-
+ outfile.write(chk.dId, 4);
+ write_uint32(outfile, chk.dLen);
}


diff --git a/libsound/WAVWriter.h b/libsound/WAVWriter.h
index bd106e8..c17bbcd 100644
--- a/libsound/WAVWriter.h
+++ b/libsound/WAVWriter.h
@@ -70,6 +70,22 @@ private:
// write a .WAV file header
void write_wave_header(std::ofstream& outfile);

+ // write an unsigned 32-bit integer in little-endian order
+ inline void write_uint32(std::ofstream& outfile, uint32_t number)
+ {
+ outfile.put(number & 0xFF);
+ outfile.put((number >> 8) & 0xFF);
+ outfile.put((number >> 16) & 0xFF);
+ outfile.put((number >> 24) & 0xFF);
+ }
+
+ // write an unsigned 16-bit integer in little-endian order
+ inline void write_uint16(std::ofstream& outfile, uint16_t number)
+ {
+ outfile.put(number & 0xFF);
+ outfile.put((number >> 8) & 0xFF);
+ }
+
};

} // gnash.sound namespace

-----------------------------------------------------------------------

Summary of changes:
libsound/WAVWriter.cpp | 18 ++++++++++++++----
libsound/WAVWriter.h | 16 ++++++++++++++++
2 files changed, 30 insertions(+), 4 deletions(-)


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