static int act_infinite_render (VisPluginData *plugin, VisVideo *video, VisAudio *audio)
{
VisBuffer *buffer;
InfinitePrivate *priv;
visual_return_val_if_fail (plugin != NULL, -1);
visual_return_val_if_fail (video != NULL, -1);
visual_return_val_if_fail (audio != NULL, -1);
priv = visual_object_get_private (VISUAL_OBJECT (plugin));
buffer = visual_buffer_new ();
visual_buffer_set_data_pair (buffer, priv->pcm_data[0], sizeof (float) * 512);
visual_audio_get_sample (audio, buffer, VISUAL_AUDIO_CHANNEL_LEFT);
visual_buffer_set_data_pair (buffer, priv->pcm_data[1], sizeof (float) * 512);
visual_audio_get_sample (audio, buffer, VISUAL_AUDIO_CHANNEL_LEFT);
_inf_renderer (priv);
_inf_display (priv, (uint8_t *) visual_video_get_pixels (video), video->pitch);
visual_buffer_free (buffer);
return 0;
}
// FIXME: This function is entirely broken from the looks of it.
int visual_audio_get_sample_mixed_all (VisAudio *audio, VisBuffer *buffer, int divide)
{
VisListEntry *le = NULL;
VisAudioSamplePool *samplepool;
VisAudioSamplePoolChannel *channel;
VisBuffer temp;
int first = TRUE;
visual_return_val_if_fail (audio != NULL, -VISUAL_ERROR_AUDIO_NULL);
visual_return_val_if_fail (buffer != NULL, -VISUAL_ERROR_AUDIO_SAMPLEPOOL_NULL);
visual_buffer_init_allocate (&temp, visual_buffer_get_size (buffer), visual_buffer_destroyer_free);
samplepool = visual_audio_samplepool_new (); // this function's broken. This line was added to get rid of a compile warning. Not sure what samplepool's supposed to be, because it appears the below code expects an already existing VisAudioSamplePool. Dunno.
while ((channel = visual_list_next (samplepool->channels, &le)) != NULL) {
if (visual_audio_get_sample (audio, &temp, channel->channelid) == VISUAL_OK) {
if (first == TRUE) {
visual_audio_sample_buffer_mix (buffer, &temp, FALSE, 1.0);
first = FALSE;
} else {
visual_audio_sample_buffer_mix (buffer, &temp, divide, 1.0);
}
}
}
visual_object_unref (VISUAL_OBJECT (&temp));
return VISUAL_OK;
}
static int lv_goom_render (VisPluginData *plugin, VisVideo *video, VisAudio *audio)
{
GoomPrivate *priv = visual_object_get_private (VISUAL_OBJECT (plugin));
VisSongInfo *songinfo;
short pcmdata[2][512];
float fpcmdata[2][512];
uint32_t *buf;
uint8_t *vidbuf = visual_video_get_pixels (video);
int showinfo = TRUE;
int i;
visual_buffer_set_data_pair (priv->pcmbuf1, fpcmdata[0], sizeof (float) * 512);
visual_audio_get_sample (audio, priv->pcmbuf1, VISUAL_AUDIO_CHANNEL_LEFT);
visual_buffer_set_data_pair (priv->pcmbuf2, fpcmdata[1], sizeof (float) * 512);
visual_audio_get_sample (audio, priv->pcmbuf2, VISUAL_AUDIO_CHANNEL_RIGHT);
for (i = 0; i < 512; i++) {
pcmdata[0][i] = fpcmdata[0][i] * 32767;
pcmdata[1][i] = fpcmdata[1][i] * 32767;
}
/* Retrieve the songinfo */
songinfo = VISUAL_ACTOR_PLUGIN (visual_plugin_get_specific (plugin))->songinfo;
/* FIXME goom should support setting a pointer, so we don't need that final visual_mem_copy */
if (songinfo != NULL && visual_songinfo_get_age (songinfo) <= 1 && showinfo == TRUE) {
VisSongInfoType songinfo_type = visual_songinfo_get_type (songinfo);
if (songinfo_type == VISUAL_SONGINFO_TYPE_SIMPLE)
buf = goom_update (priv->goominfo, pcmdata, 0, 0, visual_songinfo_get_simple_name (songinfo), NULL);
else if (songinfo_type == VISUAL_SONGINFO_TYPE_ADVANCED)
buf = goom_update (priv->goominfo, pcmdata, 0, 0, visual_songinfo_get_song (songinfo), NULL);
else
buf = goom_update (priv->goominfo, pcmdata, 0, 0, NULL, NULL);
}
else
buf = goom_update (priv->goominfo, pcmdata, 0, 0, NULL, NULL);
visual_mem_copy_pitch (vidbuf, buf, video->pitch,
video->width * video->bpp,
video->width * video->bpp,
video->height);
return 0;
}
/* This is where the real rendering happens! This function is what we call, many times
* a second to get our graphical frames. */
extern "C" int lv_projectm_render (VisPluginData *plugin, VisVideo *video, VisAudio *audio)
{
ProjectmPrivate *priv = (ProjectmPrivate*)visual_object_get_private (VISUAL_OBJECT (plugin));
VisBuffer pcmb;
float pcm[2][512];
int i;
if (video->parent != NULL) lv_projectm_dimension (plugin, video->parent, video->parent->width, video->parent->height);
else lv_projectm_dimension (plugin, video, video->width, video->height);
visual_buffer_set_data_pair (&pcmb, pcm[0], sizeof (pcm[0]));
visual_audio_get_sample (audio, &pcmb, (char*)VISUAL_AUDIO_CHANNEL_LEFT);
visual_buffer_set_data_pair (&pcmb, pcm[1], sizeof (pcm[1]));
visual_audio_get_sample (audio, &pcmb, (char*)VISUAL_AUDIO_CHANNEL_RIGHT);
priv->PM->pcm()->addPCMfloat(*pcm,512);
priv->PM->renderFrame();
return 0;
}
int visual_audio_get_sample_mixed (VisAudio *audio, VisBuffer *buffer, int divide, int channels, ...)
{
VisBuffer temp;
char **chanids;
double *chanmuls;
va_list ap;
int i;
int first = TRUE;
visual_return_val_if_fail (audio != NULL, -VISUAL_ERROR_AUDIO_NULL);
visual_return_val_if_fail (buffer != NULL, -VISUAL_ERROR_BUFFER_NULL);
visual_buffer_init_allocate (&temp, visual_buffer_get_size (buffer), visual_buffer_destroyer_free);
chanids = visual_mem_malloc (channels * sizeof (char *));
chanmuls = visual_mem_malloc (channels * sizeof (double));
va_start (ap, channels);
/* Retrieving mixing data from valist */
for (i = 0; i < channels; i++)
chanids[i] = va_arg (ap, char *);
for (i = 0; i < channels; i++)
chanmuls[i] = va_arg (ap, double);
visual_buffer_fill (buffer, 0);
/* The mixing loop */
for (i = 0; i < channels; i++) {
if (visual_audio_get_sample (audio, &temp, chanids[i]) == VISUAL_OK) {
if (first == TRUE) {
visual_audio_sample_buffer_mix (buffer, &temp, FALSE, chanmuls[i]);
first = FALSE;
} else {
visual_audio_sample_buffer_mix (buffer, &temp, divide, chanmuls[i]);
}
}
}
va_end (ap);
visual_object_unref (VISUAL_OBJECT (&temp));
visual_mem_free (chanids);
visual_mem_free (chanmuls);
return VISUAL_OK;
}
int visual_audio_get_spectrum (VisAudio *audio, VisBuffer *buffer, int samplelen, const char *channelid, int normalised)
{
VisBuffer sample;
visual_return_val_if_fail (audio != NULL, -VISUAL_ERROR_AUDIO_NULL);
visual_return_val_if_fail (buffer != NULL, -VISUAL_ERROR_BUFFER_NULL);
visual_return_val_if_fail (channelid != NULL, -VISUAL_ERROR_BUFFER_NULL);
visual_buffer_init_allocate (&sample, samplelen, visual_buffer_destroyer_free);
if (visual_audio_get_sample (audio, &sample, channelid) == VISUAL_OK)
visual_audio_get_spectrum_for_sample (buffer, &sample, normalised);
else
visual_buffer_fill (buffer, 0);
visual_object_unref (VISUAL_OBJECT (&sample));
return VISUAL_OK;
}
int lvavs_pipeline_run (LVAVSPipeline *pipeline, VisVideo *video, VisAudio *audio)
{
int i;
VisBuffer pcmbuf1;
VisBuffer pcmbuf2;
VisBuffer spmbuf1;
VisBuffer spmbuf2;
VisBuffer tmp;
int size = BEAT_MAX_SIZE/2;
float data[2][2][size];
visual_buffer_init_allocate(&tmp, sizeof(float) * size, visual_buffer_destroyer_free);
/* Left audio */
visual_buffer_set_data_pair(&pcmbuf1, data[0][0], sizeof(float) * size);
if(visual_audio_get_sample(audio, &tmp, VISUAL_AUDIO_CHANNEL_LEFT) == VISUAL_OK)
visual_audio_sample_buffer_mix(&pcmbuf1, &tmp, TRUE, 1.0);
visual_buffer_set_data_pair(&spmbuf1, &data[1][0], sizeof(float) * size);
visual_audio_get_spectrum_for_sample (&spmbuf1, &tmp, TRUE);
/* Right audio */
visual_buffer_set_data_pair(&pcmbuf2, data[0][1], sizeof(float) * size);
if(visual_audio_get_sample(audio, &tmp, VISUAL_AUDIO_CHANNEL_LEFT) == VISUAL_OK)
visual_audio_sample_buffer_mix(&pcmbuf2, &tmp, TRUE, 1.0);
visual_buffer_set_data_pair(&spmbuf2, data[1][1], sizeof(float) * size);
visual_audio_get_spectrum_for_sample(&spmbuf2, &tmp, TRUE);
visual_object_unref(VISUAL_OBJECT(&tmp));
#ifdef _OPENMP
#pragma omp parallel for private(i)
#endif
for(i = size - 1; i >= 0; i--) {
pipeline->audiodata[0][0][i] = (data[0][0][i] + 1) / 2;
pipeline->audiodata[1][0][i] = (data[1][0][i] + 1) / 2;
pipeline->audiodata[0][1][i] = (data[0][1][i] + 1) / 2;
pipeline->audiodata[1][1][i] = (data[1][1][i] + 1) / 2;
}
float beatdata[BEAT_MAX_SIZE];
unsigned char visdata[BEAT_MAX_SIZE];
memcpy(beatdata, data[1][0], size * sizeof(float));
memcpy(beatdata + size, data[1][1], size * sizeof(float));
#ifdef _OPENMP
#pragma omp parallel for private(i)
#endif
for(i = BEAT_MAX_SIZE - 1; i >= 0; i--) {
visdata[i] = (beatdata[i] + 1) / 2.0 * UCHAR_MAX;
}
pipeline->isBeat = visual_audio_is_beat_with_data(audio, VISUAL_BEAT_ALGORITHM_PEAK, visdata, BEAT_MAX_SIZE);
pipeline_container_run (LVAVS_PIPELINE_CONTAINER (pipeline->container), video, audio);
return VISUAL_OK;
}
