mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-03 09:01:50 -05:00
some fixes to make the esound protocol work on glitch-free again
git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/glitch-free@2415 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering
parent
8df6529ee6
commit
94c269e0f4
1 changed files with 89 additions and 45 deletions
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@ -70,10 +70,12 @@
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#define PLAYBACK_BUFFER_SECONDS (.25)
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#define PLAYBACK_BUFFER_FRAGMENTS (10)
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#define RECORD_BUFFER_SECONDS (5)
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#define RECORD_BUFFER_FRAGMENTS (100)
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#define MAX_CACHE_SAMPLE_SIZE (2048000)
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#define DEFAULT_SINK_LATENCY (150*PA_USEC_PER_MSEC)
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#define DEFAULT_SOURCE_LATENCY (150*PA_USEC_PER_MSEC)
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#define SCACHE_PREFIX "esound."
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/* This is heavily based on esound's code */
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@ -102,8 +104,9 @@ typedef struct connection {
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struct {
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pa_memblock *current_memblock;
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size_t memblock_index, fragment_size;
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size_t memblock_index;
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pa_atomic_t missing;
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pa_bool_t underrun;
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} playback;
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struct {
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@ -122,7 +125,7 @@ static PA_DEFINE_CHECK_TYPE(connection, pa_msgobject);
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struct pa_protocol_esound {
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pa_module *module;
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pa_core *core;
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int public;
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pa_bool_t public;
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pa_socket_server *server;
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pa_idxset *connections;
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@ -150,6 +153,8 @@ typedef struct proto_handler {
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} esd_proto_handler_info_t;
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static int sink_input_pop_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk);
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static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes);
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static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes);
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static void sink_input_kill_cb(pa_sink_input *i);
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static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk);
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static pa_usec_t source_output_get_latency_cb(pa_source_output *o);
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@ -397,8 +402,7 @@ static int esd_proto_stream_play(connection *c, PA_GCC_UNUSED esd_proto_t reques
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CHECK_VALIDITY(sink, "No such sink: %s", c->protocol->sink_name);
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}
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strncpy(name, data, sizeof(name));
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name[sizeof(name)-1] = 0;
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pa_strlcpy(name, data, sizeof(name));
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utf8_name = pa_utf8_filter(name);
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pa_client_set_name(c->client, utf8_name);
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@ -425,20 +429,23 @@ static int esd_proto_stream_play(connection *c, PA_GCC_UNUSED esd_proto_t reques
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c->input_memblockq = pa_memblockq_new(
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0,
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l,
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0,
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l,
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pa_frame_size(&ss),
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(size_t) -1,
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l/PLAYBACK_BUFFER_FRAGMENTS,
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0,
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NULL);
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pa_iochannel_socket_set_rcvbuf(c->io, l/PLAYBACK_BUFFER_FRAGMENTS*2);
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c->playback.fragment_size = l/PLAYBACK_BUFFER_FRAGMENTS;
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pa_iochannel_socket_set_rcvbuf(c->io, l);
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c->sink_input->parent.process_msg = sink_input_process_msg;
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c->sink_input->pop = sink_input_pop_cb;
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c->sink_input->process_rewind = sink_input_process_rewind_cb;
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c->sink_input->update_max_rewind = sink_input_update_max_rewind_cb;
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c->sink_input->kill = sink_input_kill_cb;
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c->sink_input->userdata = c;
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pa_sink_input_set_requested_latency(c->sink_input, DEFAULT_SINK_LATENCY);
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c->state = ESD_STREAMING_DATA;
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c->protocol->n_player++;
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@ -498,8 +505,7 @@ static int esd_proto_stream_record(connection *c, esd_proto_t request, const voi
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}
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}
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strncpy(name, data, sizeof(name));
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name[sizeof(name)-1] = 0;
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pa_strlcpy(name, data, sizeof(name));
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utf8_name = pa_utf8_filter(name);
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pa_client_set_name(c->client, utf8_name);
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@ -520,25 +526,27 @@ static int esd_proto_stream_record(connection *c, esd_proto_t request, const voi
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c->source_output = pa_source_output_new(c->protocol->core, &sdata, 0);
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pa_source_output_new_data_done(&sdata);
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CHECK_VALIDITY(c->source_output, "Failed to create source_output.");
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CHECK_VALIDITY(c->source_output, "Failed to create source output.");
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l = (size_t) (pa_bytes_per_second(&ss)*RECORD_BUFFER_SECONDS);
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c->output_memblockq = pa_memblockq_new(
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0,
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l,
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0,
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l,
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pa_frame_size(&ss),
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1,
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0,
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0,
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NULL);
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pa_iochannel_socket_set_sndbuf(c->io, l/RECORD_BUFFER_FRAGMENTS*2);
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pa_iochannel_socket_set_sndbuf(c->io, l);
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c->source_output->push = source_output_push_cb;
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c->source_output->kill = source_output_kill_cb;
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c->source_output->get_latency = source_output_get_latency_cb;
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c->source_output->userdata = c;
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pa_source_output_set_requested_latency(c->source_output, DEFAULT_SOURCE_LATENCY);
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c->state = ESD_STREAMING_DATA;
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c->protocol->n_player++;
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@ -789,8 +797,7 @@ static int esd_proto_sample_cache(connection *c, PA_GCC_UNUSED esd_proto_t reque
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CHECK_VALIDITY(sc_length <= MAX_CACHE_SAMPLE_SIZE, "Sample too large (%d bytes).", (int)sc_length);
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strcpy(name, SCACHE_PREFIX);
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strncpy(name+sizeof(SCACHE_PREFIX)-1, data, ESD_NAME_MAX);
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name[sizeof(name)-1] = 0;
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pa_strlcpy(name+sizeof(SCACHE_PREFIX)-1, data, ESD_NAME_MAX);
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CHECK_VALIDITY(pa_utf8_valid(name), "Invalid UTF8 in sample name.");
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@ -822,8 +829,7 @@ static int esd_proto_sample_get_id(connection *c, PA_GCC_UNUSED esd_proto_t requ
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pa_assert(length == ESD_NAME_MAX);
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strcpy(name, SCACHE_PREFIX);
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strncpy(name+sizeof(SCACHE_PREFIX)-1, data, ESD_NAME_MAX);
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name[sizeof(name)-1] = 0;
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pa_strlcpy(name+sizeof(SCACHE_PREFIX)-1, data, ESD_NAME_MAX);
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CHECK_VALIDITY(pa_utf8_valid(name), "Invalid UTF8 in sample name.");
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@ -1016,6 +1022,7 @@ static int do_read(connection *c) {
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ssize_t r;
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size_t l;
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void *p;
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size_t space;
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pa_assert(c->input_memblockq);
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@ -1024,21 +1031,26 @@ static int do_read(connection *c) {
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if (!(l = pa_atomic_load(&c->playback.missing)))
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return 0;
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if (l > c->playback.fragment_size)
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l = c->playback.fragment_size;
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if (c->playback.current_memblock) {
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if (c->playback.current_memblock)
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if (pa_memblock_get_length(c->playback.current_memblock) - c->playback.memblock_index < l) {
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space = pa_memblock_get_length(c->playback.current_memblock) - c->playback.memblock_index;
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if (space <= 0) {
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pa_memblock_unref(c->playback.current_memblock);
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c->playback.current_memblock = NULL;
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c->playback.memblock_index = 0;
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}
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}
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if (!c->playback.current_memblock) {
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pa_assert_se(c->playback.current_memblock = pa_memblock_new(c->protocol->core->mempool, c->playback.fragment_size*2));
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pa_assert_se(c->playback.current_memblock = pa_memblock_new(c->protocol->core->mempool, 0));
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c->playback.memblock_index = 0;
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space = pa_memblock_get_length(c->playback.current_memblock);
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}
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if (l > space)
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l = space;
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p = pa_memblock_acquire(c->playback.current_memblock);
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r = pa_iochannel_read(c->io, (uint8_t*) p+c->playback.memblock_index, l);
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pa_memblock_release(c->playback.current_memblock);
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@ -1126,12 +1138,11 @@ static void do_work(connection *c) {
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if (c->dead)
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return;
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if (pa_iochannel_is_readable(c->io)) {
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if (pa_iochannel_is_readable(c->io))
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if (do_read(c) < 0)
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goto fail;
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}
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if (c->state == ESD_STREAMING_DATA && c->source_output && pa_iochannel_is_hungup(c->io))
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if (c->state == ESD_STREAMING_DATA && !c->sink_input && pa_iochannel_is_hungup(c->io))
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/* In case we are in capture mode we will never call read()
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* on the socket, hence we need to detect the hangup manually
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* here, instead of simply waiting for read() to return 0. */
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@ -1216,15 +1227,19 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int
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/* New data from the main loop */
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pa_memblockq_push_align(c->input_memblockq, chunk);
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if (pa_memblockq_is_readable(c->input_memblockq) && c->playback.underrun) {
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pa_log_debug("Requesting rewind due to end of underrun.");
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pa_sink_input_request_rewind(c->sink_input, 0, FALSE, TRUE);
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}
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/* pa_log("got data, %u", pa_memblockq_get_length(c->input_memblockq)); */
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return 0;
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}
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case SINK_INPUT_MESSAGE_DISABLE_PREBUF: {
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case SINK_INPUT_MESSAGE_DISABLE_PREBUF:
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pa_memblockq_prebuf_disable(c->input_memblockq);
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return 0;
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}
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case PA_SINK_INPUT_MESSAGE_GET_LATENCY: {
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pa_usec_t *r = userdata;
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@ -1243,32 +1258,60 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int
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/* Called from thread context */
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static int sink_input_pop_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk) {
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connection*c;
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int r;
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pa_assert(i);
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pa_sink_input_assert_ref(i);
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c = CONNECTION(i->userdata);
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connection_assert_ref(c);
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pa_assert(chunk);
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if ((r = pa_memblockq_peek(c->input_memblockq, chunk)) < 0) {
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if (pa_memblockq_peek(c->input_memblockq, chunk) < 0) {
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c->playback.underrun = TRUE;
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if (c->dead && pa_sink_input_safe_to_remove(i))
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pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(c), CONNECTION_MESSAGE_UNLINK_CONNECTION, NULL, 0, NULL, NULL);
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return -1;
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} else {
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size_t old, new;
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size_t m;
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c->playback.underrun = FALSE;
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old = pa_memblockq_missing(c->input_memblockq);
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pa_memblockq_drop(c->input_memblockq, chunk->length);
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new = pa_memblockq_missing(c->input_memblockq);
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m = pa_memblockq_pop_missing(c->input_memblockq);
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if (new > old) {
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if (pa_atomic_add(&c->playback.missing, new - old) <= 0)
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if (m > 0)
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if (pa_atomic_add(&c->playback.missing, m) <= 0)
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pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(c), CONNECTION_MESSAGE_REQUEST_DATA, NULL, 0, NULL, NULL);
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}
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}
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return r;
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return 0;
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}
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}
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/* Called from thread context */
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static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes) {
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connection *c;
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pa_sink_input_assert_ref(i);
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c = CONNECTION(i->userdata);
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connection_assert_ref(c);
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/* If we are in an underrun, then we don't rewind */
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if (i->thread_info.underrun_for > 0)
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return;
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pa_memblockq_rewind(c->input_memblockq, nbytes);
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}
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/* Called from thread context */
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static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes) {
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connection *c;
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pa_sink_input_assert_ref(i);
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c = CONNECTION(i->userdata);
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connection_assert_ref(c);
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pa_memblockq_set_maxrewind(c->input_memblockq, nbytes);
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}
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static void sink_input_kill_cb(pa_sink_input *i) {
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@ -1283,7 +1326,7 @@ static void sink_input_kill_cb(pa_sink_input *i) {
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static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk) {
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connection *c;
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pa_assert(o);
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pa_source_output_assert_ref(o);
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c = CONNECTION(o->userdata);
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pa_assert(c);
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pa_assert(chunk);
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@ -1300,7 +1343,7 @@ static void source_output_kill_cb(pa_source_output *o) {
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static pa_usec_t source_output_get_latency_cb(pa_source_output *o) {
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connection*c;
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pa_assert(o);
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pa_source_output_assert_ref(o);
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c = CONNECTION(o->userdata);
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pa_assert(c);
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@ -1346,6 +1389,7 @@ static void on_connection(pa_socket_server*s, pa_iochannel *io, void *userdata)
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pa_iochannel_socket_peer_to_string(io, pname, sizeof(pname));
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pa_snprintf(cname, sizeof(cname), "EsounD client (%s)", pname);
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c->client = pa_client_new(p->core, __FILE__, cname);
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pa_proplist_sets(c->client->proplist, "esound-protocol.peer", pname);
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c->client->module = p->module;
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c->client->kill = client_kill_cb;
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c->client->userdata = c;
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@ -1371,11 +1415,10 @@ static void on_connection(pa_socket_server*s, pa_iochannel *io, void *userdata)
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c->playback.current_memblock = NULL;
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c->playback.memblock_index = 0;
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c->playback.fragment_size = 0;
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c->playback.underrun = TRUE;
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pa_atomic_store(&c->playback.missing, 0);
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c->scache.memchunk.length = c->scache.memchunk.index = 0;
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c->scache.memchunk.memblock = NULL;
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pa_memchunk_reset(&c->scache.memchunk);
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c->scache.name = NULL;
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c->original_name = NULL;
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@ -1456,6 +1499,7 @@ void pa_protocol_esound_free(pa_protocol_esound *p) {
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connection_unlink(c);
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pa_idxset_free(p->connections, NULL, NULL);
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if (p->server)
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pa_socket_server_unref(p->server);
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if (p->auth_ip_acl)
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