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basic-tutorial-3: Add audioresample

Browse source 
If whatever is in autoaudiosink doesn't do resampling, and 48000 isn't
its configured rate, the tutorial will fail.
This commit is contained in:
Vivia Nikolaidou 2020-01-27 15:53:27 +02:00
parent 8bf5f60c47
commit 218157ffcf
2 changed files with 11 additions and 6 deletions
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9
examples/tutorials/basic-tutorial-3.c
View file

@ -6,6 +6,7 @@ typedef struct _CustomData
GstElement *pipeline;
GstElement *source;
GstElement *convert;
GstElement *resample;
GstElement *sink;
} CustomData;
@ -28,12 +29,14 @@ main (int argc, char *argv[])
/* Create the elements */
data.source = gst_element_factory_make ("uridecodebin", "source");
data.convert = gst_element_factory_make ("audioconvert", "convert");
data.resample = gst_element_factory_make ("audioresample", "resample");
data.sink = gst_element_factory_make ("autoaudiosink", "sink");
/* Create the empty pipeline */
data.pipeline = gst_pipeline_new ("test-pipeline");
if (!data.pipeline || !data.source || !data.convert || !data.sink) {
if (!data.pipeline || !data.source || !data.convert || !data.resample
|| !data.sink) {
g_printerr ("Not all elements could be created.\n");
return -1;
}
@ -41,8 +44,8 @@ main (int argc, char *argv[])
/* Build the pipeline. Note that we are NOT linking the source at this
* point. We will do it later. */
gst_bin_add_many (GST_BIN (data.pipeline), data.source, data.convert,
data.sink, NULL);
if (!gst_element_link (data.convert, data.sink)) {
data.resample, data.sink, NULL);
if (!gst_element_link_many (data.convert, data.resample, data.sink, NULL)) {
g_printerr ("Elements could not be linked.\n");
gst_object_unref (data.pipeline);
return -1;

8
markdown/tutorials/basic/dynamic-pipelines.md
View file

@ -93,6 +93,7 @@ typedef struct _CustomData {
GstElement *pipeline;
GstElement *source;
GstElement *convert;
GstElement *resample;
GstElement *sink;
} CustomData;
@ -112,20 +113,21 @@ int main(int argc, char *argv[]) {
/* Create the elements */
data.source = gst_element_factory_make ("uridecodebin", "source");
data.convert = gst_element_factory_make ("audioconvert", "convert");
data.resample = gst_element_factory_make ("audioresample", "resample");
data.sink = gst_element_factory_make ("autoaudiosink", "sink");
/* Create the empty pipeline */
data.pipeline = gst_pipeline_new ("test-pipeline");
if (!data.pipeline || !data.source || !data.convert || !data.sink) {
if (!data.pipeline || !data.source || !data.convert || !data.resample || !data.sink) {
g_printerr ("Not all elements could be created.\n");
return -1;
}
/* Build the pipeline. Note that we are NOT linking the source at this
* point. We will do it later. */
gst_bin_add_many (GST_BIN (data.pipeline), data.source, data.convert , data.sink, NULL);
if (!gst_element_link (data.convert, data.sink)) {
gst_bin_add_many (GST_BIN (data.pipeline), data.source, data.convert, data.resample, data.sink, NULL);
if (!gst_element_link_many (data.convert, data.resample, data.sink, NULL)) {
g_printerr ("Elements could not be linked.\n");
gst_object_unref (data.pipeline);
return -1;