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decoder/modplug: Add "loop_count" parameter

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The "loop_count" configuration parameter allows the user to set how
many times a module with backward loops shall loop. "0" (the default)
means a module is not allowed to use backward loops at all. "-1"
enables inifinite looping.
This commit is contained in:
Sebastian Thorarensen
2013-10-19 15:39:04 +02:00
committed by Max Kellermann
parent d6553fc6a7
commit db44a6e948
3 changed files with 48 additions and 1 deletions
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17
src/decoder/ModplugDecoderPlugin.cxx
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@@ -22,6 +22,7 @@
#include "DecoderAPI.hxx"
#include "InputStream.hxx"
#include "tag/TagHandler.hxx"
#include "system/FatalError.hxx"
#include "util/Domain.hxx"
#include "Log.hxx"
@@ -38,6 +39,19 @@ static constexpr size_t MODPLUG_PREALLOC_BLOCK = 256 * 1024;
static constexpr size_t MODPLUG_READ_BLOCK = 128 * 1024;
static constexpr input_stream::offset_type MODPLUG_FILE_LIMIT = 100 * 1024 * 1024;
static int modplug_loop_count;
static bool
modplug_decoder_init(const config_param &param)
{
modplug_loop_count = param.GetBlockValue("loop_count", 0);
if (modplug_loop_count < -1)
FormatFatalError("Invalid loop count in line %d: %i",
param.line, modplug_loop_count);
return true;
}
static GByteArray *
mod_loadfile(struct decoder *decoder, struct input_stream *is)
{
@@ -114,6 +128,7 @@ mod_decode(struct decoder *decoder, struct input_stream *is)
settings.mChannels = 2;
settings.mBits = 16;
settings.mFrequency = 44100;
settings.mLoopCount = modplug_loop_count;
/* insert more setting changes here */
ModPlug_SetSettings(&settings);
@@ -192,7 +207,7 @@ static const char *const mod_suffixes[] = {
const struct decoder_plugin modplug_decoder_plugin = {
"modplug",
nullptr,
modplug_decoder_init,
nullptr,
mod_decode,
nullptr,