X-Git-Url: https://code.delx.au/pulseaudio/blobdiff_plain/4a64b0d1167e980d81b798d813f35209895f0674..f5a888504fe70c0106c791e2d97caa3cd5675aef:/src/modules/module-oss-mmap.c diff --git a/src/modules/module-oss-mmap.c b/src/modules/module-oss-mmap.c index 9687c908..5cf6228f 100644 --- a/src/modules/module-oss-mmap.c +++ b/src/modules/module-oss-mmap.c @@ -36,14 +36,16 @@ #include #include +#include + +#include #include #include #include #include #include -#include +#include #include -#include #include #include "oss-util.h" @@ -52,7 +54,18 @@ PA_MODULE_AUTHOR("Lennart Poettering") PA_MODULE_DESCRIPTION("OSS Sink/Source (mmap)") PA_MODULE_VERSION(PACKAGE_VERSION) -PA_MODULE_USAGE("sink_name= source_name= device= record= playback= format= channels= rate= fragments= fragment_size=") +PA_MODULE_USAGE( + "sink_name= " + "source_name= " + "device= " + "record= " + "playback= " + "format= " + "channels= " + "rate= " + "fragments= " + "fragment_size= " + "channel_map=") struct userdata { pa_sink *sink; @@ -60,7 +73,9 @@ struct userdata { pa_core *core; pa_sample_spec sample_spec; - size_t in_fragment_size, out_fragment_size, in_fragments, out_fragments, out_fill; + size_t in_fragment_size, out_fragment_size; + unsigned in_fragments, out_fragments; + unsigned out_blocks_saved, in_blocks_saved; int fd; @@ -85,12 +100,15 @@ static const char* const valid_modargs[] = { "format", "rate", "channels", + "channel_map", NULL }; #define DEFAULT_SINK_NAME "oss_output" #define DEFAULT_SOURCE_NAME "oss_input" #define DEFAULT_DEVICE "/dev/dsp" +#define DEFAULT_NFRAGS 12 +#define DEFAULT_FRAGSIZE 1024 static void update_usage(struct userdata *u) { pa_module_set_used(u->module, @@ -108,7 +126,12 @@ static void out_fill_memblocks(struct userdata *u, unsigned n) { if (u->out_memblocks[u->out_current]) pa_memblock_unref_fixed(u->out_memblocks[u->out_current]); - chunk.memblock = u->out_memblocks[u->out_current] = pa_memblock_new_fixed((uint8_t*)u->out_mmap+u->out_fragment_size*u->out_current, u->out_fragment_size, 1, u->core->memblock_stat); + chunk.memblock = u->out_memblocks[u->out_current] = + pa_memblock_new_fixed( + (uint8_t*) u->out_mmap+u->out_fragment_size*u->out_current, + u->out_fragment_size, + 1, + u->core->memblock_stat); assert(chunk.memblock); chunk.length = chunk.memblock->length; chunk.index = 0; @@ -130,12 +153,13 @@ static void do_write(struct userdata *u) { update_usage(u); if (ioctl(u->fd, SNDCTL_DSP_GETOPTR, &info) < 0) { - pa_log(__FILE__": SNDCTL_DSP_GETOPTR: %s", strerror(errno)); + pa_log(__FILE__": SNDCTL_DSP_GETOPTR: %s", pa_cstrerror(errno)); return; } - u->out_fill = (u->out_fragment_size * u->out_fragments) - (info.ptr % u->out_fragment_size); - + info.blocks += u->out_blocks_saved; + u->out_blocks_saved = 0; + if (!info.blocks) return; @@ -192,10 +216,13 @@ static void do_read(struct userdata *u) { update_usage(u); if (ioctl(u->fd, SNDCTL_DSP_GETIPTR, &info) < 0) { - pa_log(__FILE__": SNDCTL_DSP_GETIPTR: %s", strerror(errno)); + pa_log(__FILE__": SNDCTL_DSP_GETIPTR: %s", pa_cstrerror(errno)); return; } + info.blocks += u->in_blocks_saved; + u->in_blocks_saved = 0; + if (!info.blocks) return; @@ -215,17 +242,61 @@ static void io_callback(pa_mainloop_api *m, pa_io_event *e, PA_GCC_UNUSED int fd static pa_usec_t sink_get_latency_cb(pa_sink *s) { struct userdata *u = s->userdata; + struct count_info info; + size_t bpos, n, total; + assert(s && u); + + if (ioctl(u->fd, SNDCTL_DSP_GETOPTR, &info) < 0) { + pa_log(__FILE__": SNDCTL_DSP_GETOPTR: %s", pa_cstrerror(errno)); + return 0; + } + + u->out_blocks_saved += info.blocks; + + total = u->out_fragments * u->out_fragment_size; + bpos = ((u->out_current + u->out_blocks_saved) * u->out_fragment_size) % total; + + if (bpos <= (size_t) info.ptr) + n = total - (info.ptr - bpos); + else + n = bpos - info.ptr; + +/* pa_log("n = %u, bpos = %u, ptr = %u, total=%u, fragsize = %u, n_frags = %u\n", n, bpos, (unsigned) info.ptr, total, u->out_fragment_size, u->out_fragments); */ + + return pa_bytes_to_usec(n, &s->sample_spec); +} + +static pa_usec_t source_get_latency_cb(pa_source *s) { + struct userdata *u = s->userdata; + struct count_info info; + size_t bpos, n, total; assert(s && u); - do_write(u); - return pa_bytes_to_usec(u->out_fill, &s->sample_spec); + if (ioctl(u->fd, SNDCTL_DSP_GETIPTR, &info) < 0) { + pa_log(__FILE__": SNDCTL_DSP_GETIPTR: %s", pa_cstrerror(errno)); + return 0; + } + + u->in_blocks_saved += info.blocks; + + total = u->in_fragments * u->in_fragment_size; + bpos = ((u->in_current + u->in_blocks_saved) * u->in_fragment_size) % total; + + if (bpos <= (size_t) info.ptr) + n = info.ptr - bpos; + else + n = (u->in_fragments * u->in_fragment_size) - bpos + info.ptr; + +/* pa_log("n = %u, bpos = %u, ptr = %u, total=%u, fragsize = %u, n_frags = %u\n", n, bpos, (unsigned) info.ptr, total, u->in_fragment_size, u->in_fragments); */ + + return pa_bytes_to_usec(n, &s->sample_spec); } static int sink_get_hw_volume(pa_sink *s) { struct userdata *u = s->userdata; - if (pa_oss_get_volume(u->fd, &s->sample_spec, &s->hw_volume) < 0) { - pa_log_info(__FILE__": device doesn't support reading mixer settings: %s", strerror(errno)); + if (pa_oss_get_pcm_volume(u->fd, &s->sample_spec, &s->hw_volume) < 0) { + pa_log_info(__FILE__": device doesn't support reading mixer settings: %s", pa_cstrerror(errno)); s->get_hw_volume = NULL; return -1; } @@ -236,8 +307,32 @@ static int sink_get_hw_volume(pa_sink *s) { static int sink_set_hw_volume(pa_sink *s) { struct userdata *u = s->userdata; - if (pa_oss_set_volume(u->fd, &s->sample_spec, &s->hw_volume) < 0) { - pa_log_info(__FILE__": device doesn't support writing mixer settings: %s", strerror(errno)); + if (pa_oss_set_pcm_volume(u->fd, &s->sample_spec, &s->hw_volume) < 0) { + pa_log_info(__FILE__": device doesn't support writing mixer settings: %s", pa_cstrerror(errno)); + s->set_hw_volume = NULL; + return -1; + } + + return 0; +} + +static int source_get_hw_volume(pa_source *s) { + struct userdata *u = s->userdata; + + if (pa_oss_get_input_volume(u->fd, &s->sample_spec, &s->hw_volume) < 0) { + pa_log_info(__FILE__": device doesn't support reading mixer settings: %s", pa_cstrerror(errno)); + s->get_hw_volume = NULL; + return -1; + } + + return 0; +} + +static int source_set_hw_volume(pa_source *s) { + struct userdata *u = s->userdata; + + if (pa_oss_set_input_volume(u->fd, &s->sample_spec, &s->hw_volume) < 0) { + pa_log_info(__FILE__": device doesn't support writing mixer settings: %s", pa_cstrerror(errno)); s->set_hw_volume = NULL; return -1; } @@ -255,11 +350,12 @@ int pa__init(pa_core *c, pa_module*m) { int playback = 1, record = 1; pa_modargs *ma = NULL; char hwdesc[64]; - + pa_channel_map map; + assert(c); assert(m); - m->userdata = u = pa_xmalloc0(sizeof(struct userdata)); + m->userdata = u = pa_xnew0(struct userdata, 1); u->module = m; u->fd = -1; u->core = c; @@ -281,27 +377,22 @@ int pa__init(pa_core *c, pa_module*m) { mode = (playback&&record) ? O_RDWR : (playback ? O_WRONLY : (record ? O_RDONLY : 0)); - nfrags = 12; - frag_size = 1024; + nfrags = DEFAULT_NFRAGS; + frag_size = DEFAULT_FRAGSIZE; if (pa_modargs_get_value_s32(ma, "fragments", &nfrags) < 0 || pa_modargs_get_value_s32(ma, "fragment_size", &frag_size) < 0) { pa_log(__FILE__": failed to parse fragments arguments"); goto fail; } u->sample_spec = c->default_sample_spec; - if (pa_modargs_get_sample_spec(ma, &u->sample_spec) < 0) { - pa_log(__FILE__": failed to parse sample specification"); + if (pa_modargs_get_sample_spec_and_channel_map(ma, &u->sample_spec, &map, PA_CHANNEL_MAP_OSS) < 0) { + pa_log(__FILE__": failed to parse sample specification or channel map"); goto fail; } if ((u->fd = pa_oss_open(p = pa_modargs_get_value(ma, "device", DEFAULT_DEVICE), &mode, &caps)) < 0) goto fail; - if (pa_oss_get_hw_description(p, hwdesc, sizeof(hwdesc)) >= 0) - pa_log_info(__FILE__": hardware name is '%s'.", hwdesc); - else - hwdesc[0] = 0; - if (!(caps & DSP_CAP_MMAP) || !(caps & DSP_CAP_REALTIME) || !(caps & DSP_CAP_TRIGGER)) { pa_log(__FILE__": OSS device not mmap capable."); goto fail; @@ -309,6 +400,11 @@ int pa__init(pa_core *c, pa_module*m) { pa_log_info(__FILE__": device opened in %s mode.", mode == O_WRONLY ? "O_WRONLY" : (mode == O_RDONLY ? "O_RDONLY" : "O_RDWR")); + if (pa_oss_get_hw_description(p, hwdesc, sizeof(hwdesc)) >= 0) + pa_log_info(__FILE__": hardware name is '%s'.", hwdesc); + else + hwdesc[0] = 0; + if (nfrags >= 2 && frag_size >= 1) if (pa_oss_set_fragments(u->fd, nfrags, frag_size) < 0) goto fail; @@ -318,7 +414,7 @@ int pa__init(pa_core *c, pa_module*m) { if (mode != O_WRONLY) { if (ioctl(u->fd, SNDCTL_DSP_GETISPACE, &info) < 0) { - pa_log(__FILE__": SNDCTL_DSP_GETISPACE: %s", strerror(errno)); + pa_log(__FILE__": SNDCTL_DSP_GETISPACE: %s", pa_cstrerror(errno)); goto fail; } @@ -330,14 +426,18 @@ int pa__init(pa_core *c, pa_module*m) { pa_log(__FILE__": mmap failed for input. Changing to O_WRONLY mode."); mode = O_WRONLY; } else { - pa_log(__FILE__": mmap(): %s", strerror(errno)); + pa_log(__FILE__": mmap(): %s", pa_cstrerror(errno)); goto fail; } } else { - u->source = pa_source_new(c, __FILE__, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME), 0, &u->sample_spec, NULL); - assert(u->source); + if (!(u->source = pa_source_new(c, __FILE__, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME), 0, &u->sample_spec, &map))) + goto fail; + u->source->userdata = u; + u->source->get_latency = source_get_latency_cb; + u->source->get_hw_volume = source_get_hw_volume; + u->source->set_hw_volume = source_set_hw_volume; pa_source_set_owner(u->source, m); u->source->description = pa_sprintf_malloc("Open Sound System PCM/mmap() on '%s'%s%s%s", p, @@ -345,7 +445,7 @@ int pa__init(pa_core *c, pa_module*m) { hwdesc[0] ? hwdesc : "", hwdesc[0] ? ")" : ""); - u->in_memblocks = pa_xmalloc0(sizeof(pa_memblock *)*u->in_fragments); + u->in_memblocks = pa_xnew0(pa_memblock*, u->in_fragments); enable_bits |= PCM_ENABLE_INPUT; } @@ -353,7 +453,7 @@ int pa__init(pa_core *c, pa_module*m) { if (mode != O_RDONLY) { if (ioctl(u->fd, SNDCTL_DSP_GETOSPACE, &info) < 0) { - pa_log(__FILE__": SNDCTL_DSP_GETOSPACE: %s", strerror(errno)); + pa_log(__FILE__": SNDCTL_DSP_GETOSPACE: %s", pa_cstrerror(errno)); goto fail; } @@ -365,14 +465,15 @@ int pa__init(pa_core *c, pa_module*m) { pa_log(__FILE__": mmap filed for output. Changing to O_RDONLY mode."); mode = O_RDONLY; } else { - pa_log(__FILE__": mmap(): %s", strerror(errno)); + pa_log(__FILE__": mmap(): %s", pa_cstrerror(errno)); goto fail; } } else { pa_silence_memory(u->out_mmap, u->out_mmap_length, &u->sample_spec); - u->sink = pa_sink_new(c, __FILE__, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &u->sample_spec, NULL); - assert(u->sink); + if (!(u->sink = pa_sink_new(c, __FILE__, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &u->sample_spec, &map))) + goto fail; + u->sink->get_latency = sink_get_latency_cb; u->sink->get_hw_volume = sink_get_hw_volume; u->sink->set_hw_volume = sink_set_hw_volume; @@ -392,12 +493,12 @@ int pa__init(pa_core *c, pa_module*m) { zero = 0; if (ioctl(u->fd, SNDCTL_DSP_SETTRIGGER, &zero) < 0) { - pa_log(__FILE__": SNDCTL_DSP_SETTRIGGER: %s", strerror(errno)); + pa_log(__FILE__": SNDCTL_DSP_SETTRIGGER: %s", pa_cstrerror(errno)); goto fail; } if (ioctl(u->fd, SNDCTL_DSP_SETTRIGGER, &enable_bits) < 0) { - pa_log(__FILE__": SNDCTL_DSP_SETTRIGGER: %s", strerror(errno)); + pa_log(__FILE__": SNDCTL_DSP_SETTRIGGER: %s", pa_cstrerror(errno)); goto fail; } @@ -409,6 +510,8 @@ int pa__init(pa_core *c, pa_module*m) { pa_modargs_free(ma); /* Read mixer settings */ + if (u->source) + source_get_hw_volume(u->source); if (u->sink) sink_get_hw_volume(u->sink); @@ -425,7 +528,9 @@ fail: void pa__done(pa_core *c, pa_module*m) { struct userdata *u; - assert(c && m); + + assert(c); + assert(m); if (!(u = m->userdata)) return;