From a67c21f093202f142438689d3f7cfbdf4ea82eea Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sun, 28 Oct 2007 19:13:50 +0000 Subject: merge 'lennart' branch back into trunk. git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1971 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/modules/module-sine.c | 81 +++++++++++++++++++++++++++-------------------- 1 file changed, 47 insertions(+), 34 deletions(-) (limited to 'src/modules/module-sine.c') diff --git a/src/modules/module-sine.c b/src/modules/module-sine.c index 661455b3..65b8ee7f 100644 --- a/src/modules/module-sine.c +++ b/src/modules/module-sine.c @@ -26,7 +26,6 @@ #endif #include -#include #include #include @@ -36,6 +35,7 @@ #include #include #include +#include #include "module-sine-symdef.h" @@ -58,36 +58,46 @@ static const char* const valid_modargs[] = { NULL, }; -static int sink_input_peek(pa_sink_input *i, pa_memchunk *chunk) { +static int sink_input_peek_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk) { struct userdata *u; - assert(i && chunk && i->userdata); + + pa_assert(i); u = i->userdata; + pa_assert(u); + pa_assert(chunk); chunk->memblock = pa_memblock_ref(u->memblock); chunk->index = u->peek_index; - chunk->length = u->memblock->length - u->peek_index; + chunk->length = pa_memblock_get_length(u->memblock) - u->peek_index; + return 0; } -static void sink_input_drop(pa_sink_input *i, const pa_memchunk *chunk, size_t length) { +static void sink_input_drop_cb(pa_sink_input *i, size_t length) { struct userdata *u; - assert(i && chunk && length && i->userdata); - u = i->userdata; + size_t l; - assert(chunk->memblock == u->memblock && length <= u->memblock->length-u->peek_index); + pa_assert(i); + u = i->userdata; + pa_assert(u); + pa_assert(length > 0); u->peek_index += length; - if (u->peek_index >= u->memblock->length) - u->peek_index = 0; + l = pa_memblock_get_length(u->memblock); + + while (u->peek_index >= l) + u->peek_index -= l; } -static void sink_input_kill(pa_sink_input *i) { +static void sink_input_kill_cb(pa_sink_input *i) { struct userdata *u; - assert(i && i->userdata); + + pa_assert(i); u = i->userdata; + pa_assert(u); - pa_sink_input_disconnect(u->sink_input); + pa_sink_input_unlink(u->sink_input); pa_sink_input_unref(u->sink_input); u->sink_input = NULL; @@ -103,14 +113,14 @@ static void calc_sine(float *f, size_t l, float freq) { f[i] = (float) sin((double) i/l*M_PI*2*freq)/2; } -int pa__init(pa_core *c, pa_module*m) { +int pa__init(pa_module*m) { pa_modargs *ma = NULL; struct userdata *u; pa_sink *sink; - const char *sink_name; pa_sample_spec ss; uint32_t frequency; char t[256]; + void *p; pa_sink_input_new_data data; if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { @@ -118,15 +128,14 @@ int pa__init(pa_core *c, pa_module*m) { goto fail; } - m->userdata = u = pa_xmalloc(sizeof(struct userdata)); - u->core = c; + m->userdata = u = pa_xnew0(struct userdata, 1); + u->core = m->core; u->module = m; u->sink_input = NULL; u->memblock = NULL; + u->peek_index = 0; - sink_name = pa_modargs_get_value(ma, "sink", NULL); - - if (!(sink = pa_namereg_get(c, sink_name, PA_NAMEREG_SINK, 1))) { + if (!(sink = pa_namereg_get(m->core, pa_modargs_get_value(ma, "sink", NULL), PA_NAMEREG_SINK, 1))) { pa_log("No such sink."); goto fail; } @@ -141,10 +150,12 @@ int pa__init(pa_core *c, pa_module*m) { goto fail; } - u->memblock = pa_memblock_new(c->mempool, pa_bytes_per_second(&ss)); - calc_sine(u->memblock->data, u->memblock->length, frequency); + u->memblock = pa_memblock_new(m->core->mempool, pa_bytes_per_second(&ss)); + p = pa_memblock_acquire(u->memblock); + calc_sine(p, pa_memblock_get_length(u->memblock), frequency); + pa_memblock_release(u->memblock); - snprintf(t, sizeof(t), "Sine Generator at %u Hz", frequency); + pa_snprintf(t, sizeof(t), "Sine Generator at %u Hz", frequency); pa_sink_input_new_data_init(&data); data.sink = sink; @@ -153,15 +164,15 @@ int pa__init(pa_core *c, pa_module*m) { pa_sink_input_new_data_set_sample_spec(&data, &ss); data.module = m; - if (!(u->sink_input = pa_sink_input_new(c, &data, 0))) + if (!(u->sink_input = pa_sink_input_new(m->core, &data, 0))) goto fail; - u->sink_input->peek = sink_input_peek; - u->sink_input->drop = sink_input_drop; - u->sink_input->kill = sink_input_kill; + u->sink_input->peek = sink_input_peek_cb; + u->sink_input->drop = sink_input_drop_cb; + u->sink_input->kill = sink_input_kill_cb; u->sink_input->userdata = u; - u->peek_index = 0; + pa_sink_input_put(u->sink_input); pa_modargs_free(ma); return 0; @@ -170,24 +181,26 @@ fail: if (ma) pa_modargs_free(ma); - pa__done(c, m); + pa__done(m); return -1; } -void pa__done(pa_core *c, pa_module*m) { - struct userdata *u = m->userdata; - assert(c && m); +void pa__done(pa_module*m) { + struct userdata *u; + + pa_assert(m); - if (!u) + if (!(u = m->userdata)) return; if (u->sink_input) { - pa_sink_input_disconnect(u->sink_input); + pa_sink_input_unlink(u->sink_input); pa_sink_input_unref(u->sink_input); } if (u->memblock) pa_memblock_unref(u->memblock); + pa_xfree(u); } -- cgit