mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-24 01:00:37 +00:00
Code Issues 1 Projects Releases Wiki Activity

spectrum: put number of channels to instance variable

Browse source 
When freeing data the format might have changed. Thus we need to remember for
which format we allocated memory.
This commit is contained in:
Stefan Kost 2011-03-10 14:10:25 +02:00
parent dc1fe1d77f
commit 5bf267c485
2 changed files with 16 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
gst/spectrum/gstspectrum.c
View file

@ -297,13 +297,17 @@ gst_spectrum_alloc_channel_data (GstSpectrum * spectrum)
GstSpectrumChannel *cd;
guint bands = spectrum->bands;
guint nfft = 2 * bands - 2;
guint channels = (spectrum->multi_channel) ?
g_assert (spectrum->channel_data == NULL);
spectrum->num_channels = (spectrum->multi_channel) ?
GST_AUDIO_FILTER (spectrum)->format.channels : 1;
GST_DEBUG_OBJECT (spectrum, "allocating data for %d channels", channels);
GST_DEBUG_OBJECT (spectrum, "allocating data for %d channels",
spectrum->num_channels);
spectrum->channel_data = g_new (GstSpectrumChannel, channels);
for (i = 0; i < channels; i++) {
spectrum->channel_data = g_new (GstSpectrumChannel, spectrum->num_channels);
for (i = 0; i < spectrum->num_channels; i++) {
cd = &spectrum->channel_data[i];
cd->fft_ctx = gst_fft_f32_new (nfft, FALSE);
cd->input = g_new0 (gfloat, nfft);
@ -317,15 +321,14 @@ gst_spectrum_alloc_channel_data (GstSpectrum * spectrum)
static void
gst_spectrum_free_channel_data (GstSpectrum * spectrum)
{
gint i;
GstSpectrumChannel *cd;
guint channels = (spectrum->multi_channel) ?
GST_AUDIO_FILTER (spectrum)->format.channels : 1;
GST_DEBUG_OBJECT (spectrum, "freeing data for %d channels", channels);
if (spectrum->channel_data) {
for (i = 0; i < channels; i++) {
gint i;
GstSpectrumChannel *cd;
GST_DEBUG_OBJECT (spectrum, "freeing data for %d channels",
spectrum->num_channels);
for (i = 0; i < spectrum->num_channels; i++) {
cd = &spectrum->channel_data[i];
if (cd->fft_ctx)
gst_fft_f32_free (cd->fft_ctx);

1
gst/spectrum/gstspectrum.h
View file

@ -72,6 +72,7 @@ struct _GstSpectrum
/* <private> */
GstSpectrumChannel *channel_data;
guint num_channels;
guint input_pos;
guint64 error_per_interval;