mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-10-02 00:32:43 +00:00
Code Issues 1 Projects Releases Wiki Activity

audiovis: port to 0.11 some more

Browse source
This commit is contained in:
Wim Taymans 2012-02-07 12:02:05 +01:00
parent bc0dd274ee
commit 667c84b59c
6 changed files with 45 additions and 64 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

73
gst/audiovisualizers/gstbaseaudiovisualizer.c
View file

@ -498,8 +498,7 @@ gst_base_audio_visualizer_init (GstBaseAudioVisualizer * scope,
scope->frame_duration = GST_CLOCK_TIME_NONE;
/* reset the initial audio state */
scope->rate = GST_AUDIO_DEF_RATE;
scope->channels = 2;
gst_audio_info_init (&scope->ainfo);
g_mutex_init (&scope->config_lock);
}
@ -583,49 +582,24 @@ static gboolean
gst_base_audio_visualizer_sink_setcaps (GstBaseAudioVisualizer * scope,
GstCaps * caps)
{
GstStructure *structure;
gint channels;
gint rate;
GstAudioInfo info;
gboolean res = TRUE;
structure = gst_caps_get_structure (caps, 0);
if (!gst_audio_info_from_caps (&info, caps))
goto wrong_caps;
if (!gst_structure_get_int (structure, "channels", &channels) ||
!gst_structure_get_int (structure, "rate", &rate))
goto missing_caps_details;
if (channels != 2)
goto wrong_channels;
if (rate <= 0)
goto wrong_rate;
scope->channels = channels;
scope->rate = rate;
scope->ainfo = info;
GST_DEBUG_OBJECT (scope, "audio: channels %d, rate %d",
scope->channels, scope->rate);
GST_AUDIO_INFO_CHANNELS (&info), GST_AUDIO_INFO_RATE (&info));
done:
return res;
/* Errors */
missing_caps_details:
wrong_caps:
{
GST_WARNING_OBJECT (scope, "missing channels or rate in the caps");
res = FALSE;
goto done;
}
wrong_channels:
{
GST_WARNING_OBJECT (scope, "number of channels must be 2, but is %d",
channels);
res = FALSE;
goto done;
}
wrong_rate:
{
GST_WARNING_OBJECT (scope, "sample rate must be >0, but is %d", rate);
GST_WARNING_OBJECT (scope, "could not parse caps");
res = FALSE;
goto done;
}
@ -652,7 +626,7 @@ gst_base_audio_visualizer_src_setcaps (GstBaseAudioVisualizer * scope,
scope->frame_duration = gst_util_uint64_scale_int (GST_SECOND,
scope->fps_d, scope->fps_n);
scope->spf = gst_util_uint64_scale_int (scope->rate,
scope->spf = gst_util_uint64_scale_int (GST_AUDIO_INFO_RATE (&scope->ainfo),
scope->fps_d, scope->fps_n);
scope->req_spf = scope->spf;
@ -795,6 +769,7 @@ gst_base_audio_visualizer_chain (GstPad * pad, GstObject * parent,
gpointer adata;
gboolean (*render) (GstBaseAudioVisualizer * scope, GstBuffer * audio,
GstBuffer * video);
gint bps, channels, rate;
scope = GST_BASE_AUDIO_VISUALIZER (parent);
klass = GST_BASE_AUDIO_VISUALIZER_CLASS (G_OBJECT_GET_CLASS (scope));
@ -808,23 +783,27 @@ gst_base_audio_visualizer_chain (GstPad * pad, GstObject * parent,
gst_adapter_clear (scope->adapter);
}
if (scope->bps == 0) {
ret = GST_FLOW_NOT_NEGOTIATED;
goto beach;
}
/* Make sure have an output format */
ret = gst_base_audio_visualizer_ensure_negotiated (scope);
if (ret != GST_FLOW_OK) {
gst_buffer_unref (buffer);
goto beach;
}
channels = GST_AUDIO_INFO_CHANNELS (&scope->ainfo);
rate = GST_AUDIO_INFO_RATE (&scope->ainfo);
bps = GST_AUDIO_INFO_BPS (&scope->ainfo);
if (bps == 0) {
ret = GST_FLOW_NOT_NEGOTIATED;
goto beach;
}
gst_adapter_push (scope->adapter, buffer);
g_mutex_lock (&scope->config_lock);
/* this is what we want */
sbpf = scope->req_spf * scope->channels * sizeof (gint16);
sbpf = scope->req_spf * channels * sizeof (gint16);
inbuf = scope->inbuf;
/* FIXME: the timestamp in the adapter would be different */
@ -841,8 +820,8 @@ gst_base_audio_visualizer_chain (GstPad * pad, GstObject * parent,
ts = gst_adapter_prev_timestamp (scope->adapter, &dist);
if (GST_CLOCK_TIME_IS_VALID (ts)) {
/* convert bytes to time */
dist /= scope->bps;
ts += gst_util_uint64_scale_int (dist, GST_SECOND, scope->rate);
dist /= bps;
ts += gst_util_uint64_scale_int (dist, GST_SECOND, rate);
}
if (GST_CLOCK_TIME_IS_VALID (ts)) {
@ -870,7 +849,7 @@ gst_base_audio_visualizer_chain (GstPad * pad, GstObject * parent,
ret = gst_buffer_pool_acquire_buffer (scope->pool, &outbuf, NULL);
g_mutex_lock (&scope->config_lock);
/* recheck as the value could have changed */
sbpf = scope->req_spf * scope->channels * sizeof (gint16);
sbpf = scope->req_spf * channels * sizeof (gint16);
/* no buffer allocated, we don't care why. */
if (ret != GST_FLOW_OK)
@ -919,7 +898,7 @@ gst_base_audio_visualizer_chain (GstPad * pad, GstObject * parent,
skip:
/* recheck as the value could have changed */
sbpf = scope->req_spf * scope->channels * sizeof (gint16);
sbpf = scope->req_spf * channels * sizeof (gint16);
GST_LOG_OBJECT (scope, "avail: %u, bpf: %u", avail, sbpf);
/* we want to take less or more, depending on spf : req_spf */
if (avail - sbpf >= sbpf) {
@ -1044,8 +1023,9 @@ gst_base_audio_visualizer_src_query (GstPad * pad, GstObject * parent,
gboolean us_live;
GstClockTime our_latency;
guint max_samples;
gint rate = GST_AUDIO_INFO_RATE (&scope->ainfo);
if (scope->rate == 0)
if (rate == 0)
break;
if ((res = gst_pad_peer_query (scope->sinkpad, query))) {
@ -1057,8 +1037,7 @@ gst_base_audio_visualizer_src_query (GstPad * pad, GstObject * parent,
/* the max samples we must buffer buffer */
max_samples = MAX (scope->req_spf, scope->spf);
our_latency =
gst_util_uint64_scale_int (max_samples, GST_SECOND, scope->rate);
our_latency = gst_util_uint64_scale_int (max_samples, GST_SECOND, rate);
GST_DEBUG_OBJECT (scope, "Our latency: %" GST_TIME_FORMAT,
GST_TIME_ARGS (our_latency));

11
gst/audiovisualizers/gstbaseaudiovisualizer.h
View file

@ -83,9 +83,6 @@ struct _GstBaseAudioVisualizer
GstBaseAudioVisualizerShaderFunc shader;
guint32 shade_amount;
guint64 frame_duration;
guint bpf; /* bytes per frame */
guint bps; /* bytes per sample */
guint spf; /* samples per video frame */
guint req_spf; /* min samples per frame wanted by the subclass */
@ -94,12 +91,12 @@ struct _GstBaseAudioVisualizer
gint fps_n, fps_d;
gint width;
gint height;
guint64 frame_duration;
guint bpf; /* bytes per frame */
/* audio state */
gint sample_rate;
gint channels;
gint rate;
GstAudioInfo ainfo;
/* configuration mutex */
GMutex config_lock;

3
gst/audiovisualizers/gstspacescope.c
View file

@ -435,7 +435,8 @@ gst_space_scope_render (GstBaseAudioVisualizer * base, GstBuffer * audio,
gst_buffer_map (audio, &amap, GST_MAP_READ);
gst_buffer_map (video, &vmap, GST_MAP_WRITE);
num_samples = amap.size / (base->channels * sizeof (gint16));
num_samples =
amap.size / (GST_AUDIO_INFO_CHANNELS (&base->ainfo) * sizeof (gint16));
scope->process (base, (guint32 *) vmap.data, (gint16 *) amap.data,
num_samples);
gst_buffer_unmap (video, &vmap);

7
gst/audiovisualizers/gstspectrascope.c
View file

@ -175,15 +175,18 @@ gst_spectra_scope_render (GstBaseAudioVisualizer * bscope, GstBuffer * audio,
guint w = bscope->width;
GstMapInfo amap, vmap;
guint32 *vdata;
gint channels;
gst_buffer_map (audio, &amap, GST_MAP_READ);
gst_buffer_map (video, &vmap, GST_MAP_WRITE);
vdata = (guint32 *) vmap.data;
channels = GST_AUDIO_INFO_CHANNELS (&bscope->ainfo);
mono_adata = (gint16 *) g_memdup (amap.data, amap.size);
if (bscope->channels > 1) {
guint ch = bscope->channels;
if (channels > 1) {
guint ch = channels;
guint num_samples = amap.size / (ch * sizeof (gint16));
guint i, c, v, s = 0;

2
gst/audiovisualizers/gstsynaescope.c
View file

@ -219,7 +219,7 @@ gst_synae_scope_render (GstBaseAudioVisualizer * bscope, GstBuffer * audio,
guint32 *colors = scope->colors, c;
guint *shade = scope->shade;
//guint w2 = w /2;
guint ch = bscope->channels;
guint ch = GST_AUDIO_INFO_CHANNELS (&bscope->ainfo);
guint num_samples;
gint i, j, b;
gint br, br1, br2;

13
gst/audiovisualizers/gstwavescope.c
View file

@ -181,7 +181,7 @@ gst_wave_scope_setup (GstBaseAudioVisualizer * bscope)
if (scope->flt)
g_free (scope->flt);
scope->flt = g_new0 (gdouble, 6 * bscope->channels);
scope->flt = g_new0 (gdouble, 6 * GST_AUDIO_INFO_CHANNELS (&bscope->ainfo));
return TRUE;
}
@ -238,7 +238,7 @@ static void
render_dots (GstBaseAudioVisualizer * base, guint32 * vdata, gint16 * adata,
guint num_samples)
{
gint channels = base->channels;
gint channels = GST_AUDIO_INFO_CHANNELS (&base->ainfo);
guint i, c, s, x, y, oy;
gfloat dx, dy;
guint w = base->width;
@ -263,7 +263,7 @@ static void
render_lines (GstBaseAudioVisualizer * base, guint32 * vdata, gint16 * adata,
guint num_samples)
{
gint channels = base->channels;
gint channels = GST_AUDIO_INFO_CHANNELS (&base->ainfo);
guint i, c, s, x, y, oy;
gfloat dx, dy;
guint w = base->width;
@ -308,7 +308,7 @@ render_color_dots (GstBaseAudioVisualizer * base, guint32 * vdata,
gint16 * adata, guint num_samples)
{
GstWaveScope *scope = (GstWaveScope *) base;
gint channels = base->channels;
gint channels = GST_AUDIO_INFO_CHANNELS (&base->ainfo);
guint i, c, s, x, y, oy;
gfloat dx, dy;
guint w = base->width;
@ -348,7 +348,7 @@ render_color_lines (GstBaseAudioVisualizer * base, guint32 * vdata,
gint16 * adata, guint num_samples)
{
GstWaveScope *scope = (GstWaveScope *) base;
gint channels = base->channels;
gint channels = GST_AUDIO_INFO_CHANNELS (&base->ainfo);
guint i, c, s, x, y, oy;
gfloat dx, dy;
guint w = base->width;
@ -409,11 +409,12 @@ gst_wave_scope_render (GstBaseAudioVisualizer * base, GstBuffer * audio,
GstWaveScope *scope = GST_WAVE_SCOPE (base);
GstMapInfo amap, vmap;
guint num_samples;
gint channels = GST_AUDIO_INFO_CHANNELS (&base->ainfo);
gst_buffer_map (audio, &amap, GST_MAP_READ);
gst_buffer_map (video, &vmap, GST_MAP_WRITE);
num_samples = amap.size / (base->channels * sizeof (gint16));
num_samples = amap.size / (channels * sizeof (gint16));
scope->process (base, (guint32 *) vmap.data, (gint16 *) amap.data,
num_samples);