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https://github.com/ZDoom/gzdoom.git
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- Sounds that define a loop no longer play looped by default. They must be started with
CHAN_LOOP so that the higher level sound code knows they loop and can handle them accordingly. - Added support for a LOOP_BIDI tag. Set it to "1", "On", "True", or "Yes" to use a bidirectional loop. This only works with sounds and not music, because music is streamed so does not support them. - Extended custom loop support to work with samples as well as music. SVN r2434 (trunk)
This commit is contained in:
Randy Heit
parent
99a2014ead
commit
c29639426f
1 changed files with 105 additions and 58 deletions
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@ -1456,6 +1456,88 @@ const char *GetTagData(FMOD::Sound *sound, const char *tag_name)
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return NULL;
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}
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//==========================================================================
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//
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// SetCustomLoopPts
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//
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// Sets up custom sound loops by checking for these tags:
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// LOOP_START
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// LOOP_END
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// LOOP_BIDI
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//
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//==========================================================================
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static void SetCustomLoopPts(FMOD::Sound *sound)
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{
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#if 0
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FMOD_TAG tag;
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int numtags;
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if (FMOD_OK == stream->getNumTags(&numtags, NULL))
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{
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for (int i = 0; i < numtags; ++i)
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{
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if (FMOD_OK == sound->getTag(NULL, i, &tag))
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{
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Printf("Tag %2d. %d %s = %s\n", i, tag.datatype, tag.name, tag.data);
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}
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}
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}
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#endif
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const char *tag_data;
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unsigned int looppt[2];
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bool looppt_as_samples[2], have_looppt[2] = { false };
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static const char *const loop_tags[2] = { "LOOP_START", "LOOP_END" };
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for (int i = 0; i < 2; ++i)
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{
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if (NULL != (tag_data = GetTagData(sound, loop_tags[i])))
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{
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if (S_ParseTimeTag(tag_data, &looppt_as_samples[i], &looppt[i]))
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{
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have_looppt[i] = true;
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}
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else
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{
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Printf("Invalid %s tag: '%s'\n", loop_tags[i], tag_data);
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}
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}
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}
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if (have_looppt[0] && !have_looppt[1])
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{ // Have a start tag, but not an end tag: End at the end of the song.
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have_looppt[1] = (FMOD_OK == sound->getLength(&looppt[1], FMOD_TIMEUNIT_PCM));
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looppt_as_samples[1] = true;
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}
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else if (!have_looppt[0] && have_looppt[1])
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{ // Have an end tag, but no start tag: Start at beginning of the song.
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looppt[0] = 0;
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looppt_as_samples[0] = true;
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have_looppt[0] = true;
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}
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if (have_looppt[0] && have_looppt[1])
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{ // Have both loop points: Try to set the loop.
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FMOD_RESULT res = sound->setLoopPoints(
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looppt[0], looppt_as_samples[0] ? FMOD_TIMEUNIT_PCM : FMOD_TIMEUNIT_MS,
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looppt[1] - 1, looppt_as_samples[1] ? FMOD_TIMEUNIT_PCM : FMOD_TIMEUNIT_MS);
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if (res != FMOD_OK)
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{
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Printf("Setting custom loop points failed. Error %d\n", res);
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}
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}
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// Check for a bi-directional loop.
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if (NULL != (tag_data = GetTagData(sound, "LOOP_BIDI")) &&
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(stricmp(tag_data, "on") == 0 ||
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stricmp(tag_data, "true") == 0 ||
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stricmp(tag_data, "yes") == 0 ||
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stricmp(tag_data, "1") == 0))
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{
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FMOD_MODE mode;
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if (FMOD_OK == (sound->getMode(&mode)))
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{
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sound->setMode(mode & ~(FMOD_LOOP_OFF | FMOD_LOOP_NORMAL) | FMOD_LOOP_BIDI);
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}
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}
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}
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//==========================================================================
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//
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// FMODSoundRenderer :: OpenStream
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@ -1517,61 +1599,7 @@ SoundStream *FMODSoundRenderer::OpenStream(const char *filename_or_data, int fla
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}
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if (result == FMOD_OK)
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{
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// Handle custom loop starts by checking for a "loop_start" tag.
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#if 0
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FMOD_TAG tag;
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int numtags;
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if (FMOD_OK == stream->getNumTags(&numtags, NULL))
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{
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for (int i = 0; i < numtags; ++i)
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{
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if (FMOD_OK == stream->getTag(NULL, i, &tag))
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{
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Printf("Tag %2d. %d %s = %s\n", i, tag.datatype, tag.name, tag.data);
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}
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}
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}
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#endif
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const char *tag_data;
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unsigned int looppt[2];
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bool looppt_as_samples[2], have_looppt[2] = { false };
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static const char *const loop_tags[2] = { "LOOP_START", "LOOP_END" };
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for (int i = 0; i < 2; ++i)
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{
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if (NULL != (tag_data = GetTagData(stream, loop_tags[i])))
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{
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if (S_ParseTimeTag(tag_data, &looppt_as_samples[i], &looppt[i]))
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{
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have_looppt[i] = true;
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}
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else
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{
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Printf("Invalid %s tag: '%s'\n", loop_tags[i], tag_data);
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}
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}
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}
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if (have_looppt[0] && !have_looppt[1])
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{ // Have a start tag, but not an end tag: End at the end of the song.
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have_looppt[1] = (FMOD_OK == stream->getLength(&looppt[1], FMOD_TIMEUNIT_PCM));
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looppt_as_samples[1] = true;
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}
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else if (!have_looppt[0] && have_looppt[1])
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{ // Have an end tag, but no start tag: Start at beginning of the song.
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looppt[0] = 0;
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looppt_as_samples[0] = true;
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have_looppt[0] = true;
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}
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if (have_looppt[0] && have_looppt[1])
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{ // Have both loop points: Try to set the loop.
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FMOD_RESULT res = stream->setLoopPoints(
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looppt[0], looppt_as_samples[0] ? FMOD_TIMEUNIT_PCM : FMOD_TIMEUNIT_MS,
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looppt[1] - 1, looppt_as_samples[1] ? FMOD_TIMEUNIT_PCM : FMOD_TIMEUNIT_MS);
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if (res != FMOD_OK)
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{
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Printf("Setting custom song loop points for song failed. Error %d\n", res);
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}
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}
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SetCustomLoopPts(stream);
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return new FMODStreamCapsule(stream, this, url ? filename_or_data : NULL);
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}
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return NULL;
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@ -1613,7 +1641,15 @@ FISoundChannel *FMODSoundRenderer::StartSound(SoundHandle sfx, float vol, int pi
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mode = (mode & ~FMOD_3D) | FMOD_2D;
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if (flags & SNDF_LOOP)
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{
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mode = (mode & ~FMOD_LOOP_OFF) | FMOD_LOOP_NORMAL;
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mode &= ~FMOD_LOOP_OFF;
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if (!(mode & (FMOD_LOOP_NORMAL | FMOD_LOOP_BIDI)))
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{
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mode |= FMOD_LOOP_NORMAL;
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}
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}
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else
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{
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mode |= FMOD_LOOP_OFF;
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}
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chan->setMode(mode);
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chan->setChannelGroup((flags & SNDF_NOPAUSE) ? SfxGroup : PausableSfx);
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@ -1713,7 +1749,16 @@ FISoundChannel *FMODSoundRenderer::StartSound3D(SoundHandle sfx, SoundListener *
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}
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if (flags & SNDF_LOOP)
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{
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mode = (mode & ~FMOD_LOOP_OFF) | FMOD_LOOP_NORMAL;
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mode &= ~FMOD_LOOP_OFF;
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if (!(mode & (FMOD_LOOP_NORMAL | FMOD_LOOP_BIDI)))
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{
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mode |= FMOD_LOOP_NORMAL;
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}
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}
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else
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{
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// FMOD_LOOP_OFF overrides FMOD_LOOP_NORMAL and FMOD_LOOP_BIDI
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mode |= FMOD_LOOP_OFF;
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}
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mode = SetChanHeadSettings(listener, chan, pos, !!(flags & SNDF_AREA), mode);
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chan->setMode(mode);
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@ -1810,13 +1855,14 @@ bool FMODSoundRenderer::HandleChannelDelay(FMOD::Channel *chan, FISoundChannel *
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// Clamp the position of looping sounds to be within the sound.
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// If we try to start it several minutes past its normal end,
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// FMOD doesn't like that.
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// FIXME: Clamp this right for loops that don't cover the whole sound.
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if (flags & SNDF_LOOP)
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{
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FMOD::Sound *sound;
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if (FMOD_OK == chan->getCurrentSound(&sound))
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{
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unsigned int len;
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if (FMOD_OK == sound->getLength(&len, FMOD_TIMEUNIT_MS) && len)
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if (FMOD_OK == sound->getLength(&len, FMOD_TIMEUNIT_MS) && len != 0)
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{
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difftime %= len;
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}
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@ -2358,6 +2404,7 @@ SoundHandle FMODSoundRenderer::LoadSound(BYTE *sfxdata, int length)
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DPrintf("Failed to allocate sample: Error %d\n", result);
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return retval;
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}
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SetCustomLoopPts(sample);
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retval.data = sample;
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return retval;
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}
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