From 2e9479b1f32517aa1449d35aee135cb791b0f451 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Mon, 23 Feb 2009 23:51:29 +0100 Subject: implement esd sample panning. closes #428 --- src/pulsecore/protocol-esound.c | 68 ++++++++++++++++++++++++++++++++++++++--- 1 file changed, 63 insertions(+), 5 deletions(-) (limited to 'src/pulsecore/protocol-esound.c') diff --git a/src/pulsecore/protocol-esound.c b/src/pulsecore/protocol-esound.c index 3d903067..ddecb8fe 100644 --- a/src/pulsecore/protocol-esound.c +++ b/src/pulsecore/protocol-esound.c @@ -165,6 +165,7 @@ static int esd_proto_get_latency(connection *c, esd_proto_t request, const void static int esd_proto_server_info(connection *c, esd_proto_t request, const void *data, size_t length); static int esd_proto_all_info(connection *c, esd_proto_t request, const void *data, size_t length); static int esd_proto_stream_pan(connection *c, esd_proto_t request, const void *data, size_t length); +static int esd_proto_sample_pan(connection *c, esd_proto_t request, const void *data, size_t length); static int esd_proto_sample_cache(connection *c, esd_proto_t request, const void *data, size_t length); static int esd_proto_sample_free_or_play(connection *c, esd_proto_t request, const void *data, size_t length); static int esd_proto_sample_get_id(connection *c, esd_proto_t request, const void *data, size_t length); @@ -199,7 +200,7 @@ static struct proto_handler proto_map[ESD_PROTO_MAX] = { { (size_t) -1, NULL, "TODO: unsubscribe" }, { 3 * sizeof(int), esd_proto_stream_pan, "stream pan"}, - { 3 * sizeof(int), NULL, "sample pan" }, + { 3 * sizeof(int), esd_proto_sample_pan, "sample pan" }, { sizeof(int), NULL, "standby mode" }, { 0, esd_proto_get_latency, "get latency" } @@ -685,9 +686,26 @@ static int esd_proto_all_info(connection *c, esd_proto_t request, const void *da for (ce = pa_idxset_first(c->protocol->core->scache, &idx); ce; ce = pa_idxset_next(c->protocol->core->scache, &idx)) { int32_t id, rate, lvolume, rvolume, format, len; char name[ESD_NAME_MAX]; + pa_channel_map stereo = { .channels = 2, .map = { PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT } }; + pa_cvolume volume; + pa_sample_spec ss; pa_assert(t >= s*2); + if (ce->volume_is_set) { + volume = ce->volume; + pa_cvolume_remap(&volume, &ce->channel_map, &stereo); + } else + pa_cvolume_reset(&volume, 2); + + if (ce->memchunk.memblock) + ss = ce->sample_spec; + else { + ss.format = PA_SAMPLE_S16NE; + ss.rate = 44100; + ss.channels = 2; + } + /* id */ id = PA_MAYBE_INT32_SWAP(c->swap_byte_order, (int) (ce->index+1)); connection_write(c, &id, sizeof(int32_t)); @@ -701,19 +719,19 @@ static int esd_proto_all_info(connection *c, esd_proto_t request, const void *da connection_write(c, name, ESD_NAME_MAX); /* rate */ - rate = PA_MAYBE_INT32_SWAP(c->swap_byte_order, (int32_t) ce->sample_spec.rate); + rate = PA_MAYBE_INT32_SWAP(c->swap_byte_order, (int32_t) ss.rate); connection_write(c, &rate, sizeof(int32_t)); /* left */ - lvolume = PA_MAYBE_INT32_SWAP(c->swap_byte_order, (int32_t) ((ce->volume.values[0]*ESD_VOLUME_BASE)/PA_VOLUME_NORM)); + lvolume = PA_MAYBE_INT32_SWAP(c->swap_byte_order, (int32_t) ((volume.values[0]*ESD_VOLUME_BASE)/PA_VOLUME_NORM)); connection_write(c, &lvolume, sizeof(int32_t)); /*right*/ - rvolume = PA_MAYBE_INT32_SWAP(c->swap_byte_order, (int32_t) ((ce->volume.values[0]*ESD_VOLUME_BASE)/PA_VOLUME_NORM)); + rvolume = PA_MAYBE_INT32_SWAP(c->swap_byte_order, (int32_t) ((volume.values[1]*ESD_VOLUME_BASE)/PA_VOLUME_NORM)); connection_write(c, &rvolume, sizeof(int32_t)); /*format*/ - format = PA_MAYBE_INT32_SWAP(c->swap_byte_order, format_native2esd(&ce->sample_spec)); + format = PA_MAYBE_INT32_SWAP(c->swap_byte_order, format_native2esd(&ss)); connection_write(c, &format, sizeof(int32_t)); /*length*/ @@ -767,6 +785,46 @@ static int esd_proto_stream_pan(connection *c, esd_proto_t request, const void * return 0; } +static int esd_proto_sample_pan(connection *c, esd_proto_t request, const void *data, size_t length) { + int32_t ok = 0; + uint32_t idx, lvolume, rvolume; + pa_cvolume volume; + pa_scache_entry *ce; + + connection_assert_ref(c); + pa_assert(data); + pa_assert(length == sizeof(int32_t)*3); + + memcpy(&idx, data, sizeof(uint32_t)); + idx = PA_MAYBE_UINT32_SWAP(c->swap_byte_order, idx) - 1; + data = (const char*)data + sizeof(uint32_t); + + memcpy(&lvolume, data, sizeof(uint32_t)); + lvolume = PA_MAYBE_UINT32_SWAP(c->swap_byte_order, lvolume); + data = (const char*)data + sizeof(uint32_t); + + memcpy(&rvolume, data, sizeof(uint32_t)); + rvolume = PA_MAYBE_UINT32_SWAP(c->swap_byte_order, rvolume); + data = (const char*)data + sizeof(uint32_t); + + volume.values[0] = (lvolume*PA_VOLUME_NORM)/ESD_VOLUME_BASE; + volume.values[1] = (rvolume*PA_VOLUME_NORM)/ESD_VOLUME_BASE; + volume.channels = 2; + + if ((ce = pa_idxset_get_by_index(c->protocol->core->scache, idx))) { + pa_channel_map stereo = { .channels = 2, .map = { PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT } }; + + pa_cvolume_remap(&volume, &stereo, &ce->channel_map); + ce->volume = volume; + ce->volume_is_set = TRUE; + ok = 1; + } + + connection_write(c, &ok, sizeof(int32_t)); + + return 0; +} + static int esd_proto_sample_cache(connection *c, esd_proto_t request, const void *data, size_t length) { pa_sample_spec ss; int32_t format, rate, sc_length; -- cgit