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audio: replaced copyAudioFormat() with simple assignment

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The "!src" check in copyAudioFormat() used to hide bugs - one should
never pass NULL to it.  There is one caller which might pass NULL, add
a check in this caller.

Instead of doing mempcy(), we can simply assign the structures, which
looks more natural.
This commit is contained in:
Max Kellermann 2008-09-09 10:04:42 +02:00
parent f9316fbbbe
commit 7f1cccb3ea
4 changed files with 9 additions and 21 deletions
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18
src/audio.c
View File

@ -66,14 +66,6 @@ static unsigned int audio_output_count(void)
return nr;
}
void copyAudioFormat(struct audio_format *dest, const struct audio_format *src)
{
if (!src)
return;
memcpy(dest, src, sizeof(*dest));
}
int cmpAudioFormat(const struct audio_format *f1, const struct audio_format *f2)
{
if (f1 && f2 && (f1->sampleRate == f2->sampleRate) &&
@ -130,10 +122,9 @@ void initAudioDriver(void)
void getOutputAudioFormat(const struct audio_format *inAudioFormat,
struct audio_format *outAudioFormat)
{
if (audio_configFormat) {
copyAudioFormat(outAudioFormat, audio_configFormat);
} else
copyAudioFormat(outAudioFormat, inAudioFormat);
*outAudioFormat = audio_configFormat != NULL
? *audio_configFormat
: *inAudioFormat;
}
void initAudioConfig(void)
@ -316,7 +307,8 @@ int openAudioDevice(const struct audio_format *audioFormat)
if (!audioOpened || !isCurrentAudioFormat(audioFormat)) {
flushAudioBuffer();
copyAudioFormat(&audio_format, audioFormat);
if (audioFormat != NULL)
audio_format = *audioFormat;
audioBufferSize = (audio_format.bits >> 3) *
audio_format.channels;
audioBufferSize *= audio_format.sampleRate >> 5;

2
src/audio.h
View File

@ -27,8 +27,6 @@ struct audio_format;
struct tag;
struct client;
void copyAudioFormat(struct audio_format *dest, const struct audio_format *src);
int cmpAudioFormat(const struct audio_format *dest, const struct audio_format *src);
void getOutputAudioFormat(const struct audio_format *inFormat,

8
src/output_control.c
View File

@ -32,14 +32,12 @@ int audio_output_open(struct audio_output *audioOutput,
return 0;
}
copyAudioFormat(&audioOutput->inAudioFormat, audioFormat);
audioOutput->inAudioFormat = *audioFormat;
if (audioOutput->convertAudioFormat) {
copyAudioFormat(&audioOutput->outAudioFormat,
&audioOutput->reqAudioFormat);
audioOutput->outAudioFormat = audioOutput->reqAudioFormat;
} else {
copyAudioFormat(&audioOutput->outAudioFormat,
&audioOutput->inAudioFormat);
audioOutput->outAudioFormat = audioOutput->inAudioFormat;
if (audioOutput->open)
audio_output_close(audioOutput);
}

2
src/output_init.c
View File

@ -103,7 +103,7 @@ int audio_output_init(struct audio_output *ao, ConfigParam * param)
FATAL("error parsing format at line %i\n", bp->line);
}
copyAudioFormat(&ao->outAudioFormat, &ao->reqAudioFormat);
ao->outAudioFormat = ao->reqAudioFormat;
}
if (plugin->init(ao, param) != 0)