clap

commit 54bcf55d56219cc1714a07f276ac4e3ccd8ae2e8
parent 9033a64e86adb7b56e8cb1b8ca003ff0837d187f
Author: Alexandre BIQUE <bique.alexandre@gmail.com>
Date:   Mon, 24 May 2021 09:30:51 +0200

It is now possible to get interleaved audio buffer

Diffstat:
M
examples/plugins/gain/gain.cc
 | 
11
+++++------
M
include/clap/clap.h
 | 
11
+++++------
M
include/clap/ext/audio-ports.h
 | 
1
+

3 files changed, 11 insertions(+), 12 deletions(-)
diff --git a/examples/plugins/gain/gain.cc b/examples/plugins/gain/gain.cc
@@ -59,14 +59,13 @@ void Gain::deactivate() {
 void Gain::trackInfoChanged() { updateChannelCount(true); }
 
 clap_process_status Gain::process(const clap_process *process) {
-   auto **in = process->audio_inputs[0].data32;
-   auto **out = process->audio_outputs[0].data32;
+   float *in = process->audio_inputs[0].data32i;
+   float *out = process->audio_outputs[0].data32i;
 
    float k = 1;
-
-   for (int i = 0; i < process->frames_count; ++i) {
-      for (int j = 0; j < channelCount_; ++j)
-         out[j][i] = k * in[j][i];
+   const auto N = process->frames_count * channelCount_;
+   for (int i = 0; i < N; ++i) {
+      out[i] = k * in[i];
    }
 
    return CLAP_PROCESS_CONTINUE_IF_NOT_QUIET;
diff --git a/include/clap/clap.h b/include/clap/clap.h
@@ -60,11 +60,11 @@ enum {
 typedef int32_t clap_process_status;
 
 typedef struct clap_audio_buffer {
-   // Either data32 or data64 will be set, but not both.
-   // If none are set, assume that the input has the value 0 for each samples.
-   // data[i] for channel i buffer
-   float ** data32;
-   double **data64;
+   // Only one of dataXXX pointer will be set.
+   float ** data32;  // non-interleaved
+   float *  data32i; // interleaved
+   double **data64;  // non-interleaved
+   double * data64i; // interleaved
    int32_t  channel_count;
    uint32_t latency;       // latency from/to the audio interface
    uint64_t constant_mask; // mask & (1 << N) to test if channel N is constant
@@ -183,7 +183,6 @@ typedef struct clap_plugin {
    bool (*activate)(struct clap_plugin *plugin, int sample_rate);
    void (*deactivate)(struct clap_plugin *plugin);
 
-
    // Set to true before processing, and to false before sending the plugin to sleep.
    // [audio-thread]
    bool (*start_processing)(struct clap_plugin *plugin);
diff --git a/include/clap/ext/audio-ports.h b/include/clap/ext/audio-ports.h
@@ -20,6 +20,7 @@ typedef struct clap_audio_port_info {
                                  // and output, only for main input to main output
    int32_t    channel_count;
    clap_chmap channel_map;
+   bool       interleave; // selects interleaved buffer
 } clap_audio_port_info;
 
 // The audio ports scan has to be done while the plugin is deactivated.