mirror of
https://github.com/brunodev85/winlator.git
synced 2024-11-22 20:59:40 +00:00
Update audio_plugin
This commit is contained in:
brunodev85
parent
1a2d360ef6
commit
8fecfc95ae
@ -1,9 +1,9 @@
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@hooks [
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{
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func load
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files [
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"/etc/alsa/conf.d/android_aserver.conf"
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]
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errors false
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}
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{
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func load
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files [
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"/etc/alsa/conf.d/android_aserver.conf"
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]
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errors false
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}
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]
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@ -24,229 +24,229 @@
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#define DATA_TYPE_FLOATLE 3
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#define DATA_TYPE_FLOATBE 4
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#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
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#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
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typedef struct snd_pcm_android_aserver {
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snd_pcm_ioplug_t io;
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int fd;
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int frame_bytes;
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unsigned int position;
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void* buffer;
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int buffer_size;
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bool use_shm;
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snd_pcm_ioplug_t io;
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int fd;
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int frame_bytes;
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unsigned int position;
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void* buffer;
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int buffer_size;
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bool use_shm;
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} snd_pcm_android_aserver_t;
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static int android_aserver_recv_fd(int fd) {
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char zero = 0;
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struct iovec iovmsg = {.iov_base = &zero, .iov_len = 1};
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struct {
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struct cmsghdr align;
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int fds[1];
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} ctrlmsg;
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char zero = 0;
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struct iovec iovmsg = {.iov_base = &zero, .iov_len = 1};
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struct {
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struct cmsghdr align;
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int fds[1];
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} ctrlmsg;
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struct msghdr msg = {
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.msg_name = NULL,
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.msg_namelen = 0,
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.msg_iov = &iovmsg,
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.msg_iovlen = 1,
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.msg_flags = 0,
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.msg_control = &ctrlmsg,
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.msg_controllen = sizeof(struct cmsghdr) + sizeof(int)
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};
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struct msghdr msg = {
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.msg_name = NULL,
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.msg_namelen = 0,
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.msg_iov = &iovmsg,
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.msg_iovlen = 1,
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.msg_flags = 0,
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.msg_control = &ctrlmsg,
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.msg_controllen = sizeof(struct cmsghdr) + sizeof(int)
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};
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struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msg);
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cmsg->cmsg_level = SOL_SOCKET;
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cmsg->cmsg_type = SCM_RIGHTS;
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cmsg->cmsg_len = msg.msg_controllen;
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((int*)CMSG_DATA(cmsg))[0] = -1;
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struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msg);
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cmsg->cmsg_level = SOL_SOCKET;
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cmsg->cmsg_type = SCM_RIGHTS;
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cmsg->cmsg_len = msg.msg_controllen;
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((int*)CMSG_DATA(cmsg))[0] = -1;
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recvmsg(fd, &msg, 0);
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return ((int*)CMSG_DATA(cmsg))[0];
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recvmsg(fd, &msg, 0);
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return ((int*)CMSG_DATA(cmsg))[0];
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}
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static int android_aserver_close(snd_pcm_ioplug_t* io) {
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snd_pcm_android_aserver_t* android_aserver = io->private_data;
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if (!android_aserver) return 0;
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if (android_aserver->fd >= 0) {
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int request_length = 0;
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char request_data[MIN_REQUEST_LENGTH];
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request_data[0] = REQUEST_CODE_CLOSE;
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memcpy(request_data + 1, &request_length, 4);
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write(android_aserver->fd, &request_data, MIN_REQUEST_LENGTH);
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close(android_aserver->fd);
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}
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if (android_aserver->buffer_size > 0) {
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munmap(android_aserver->buffer, android_aserver->buffer_size);
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android_aserver->buffer_size = 0;
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}
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free(android_aserver);
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return 0;
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snd_pcm_android_aserver_t* android_aserver = io->private_data;
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if (!android_aserver) return 0;
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if (android_aserver->fd >= 0) {
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int request_length = 0;
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char request_data[MIN_REQUEST_LENGTH];
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request_data[0] = REQUEST_CODE_CLOSE;
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memcpy(request_data + 1, &request_length, 4);
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write(android_aserver->fd, &request_data, MIN_REQUEST_LENGTH);
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close(android_aserver->fd);
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}
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if (android_aserver->buffer_size > 0) {
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munmap(android_aserver->buffer, android_aserver->buffer_size);
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android_aserver->buffer_size = 0;
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}
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free(android_aserver);
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return 0;
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}
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static int android_aserver_start(snd_pcm_ioplug_t* io) {
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snd_pcm_android_aserver_t* android_aserver = io->private_data;
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int request_length = 0;
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char request_data[MIN_REQUEST_LENGTH];
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request_data[0] = REQUEST_CODE_START;
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memcpy(request_data + 1, &request_length, 4);
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int res = write(android_aserver->fd, &request_data, MIN_REQUEST_LENGTH);
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if (res < 0) return -EINVAL;
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return 0;
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snd_pcm_android_aserver_t* android_aserver = io->private_data;
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int request_length = 0;
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char request_data[MIN_REQUEST_LENGTH];
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request_data[0] = REQUEST_CODE_START;
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memcpy(request_data + 1, &request_length, 4);
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int res = write(android_aserver->fd, &request_data, MIN_REQUEST_LENGTH);
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if (res < 0) return -EINVAL;
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return 0;
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}
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static int android_aserver_stop(snd_pcm_ioplug_t* io) {
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snd_pcm_android_aserver_t* android_aserver = io->private_data;
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snd_pcm_android_aserver_t* android_aserver = io->private_data;
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int request_length = 0;
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char request_data[MIN_REQUEST_LENGTH];
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request_data[0] = REQUEST_CODE_STOP;
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memcpy(request_data + 1, &request_length, 4);
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int res = write(android_aserver->fd, &request_data, MIN_REQUEST_LENGTH);
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if (res < 0) return -EINVAL;
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return 0;
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int request_length = 0;
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char request_data[MIN_REQUEST_LENGTH];
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request_data[0] = REQUEST_CODE_STOP;
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memcpy(request_data + 1, &request_length, 4);
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int res = write(android_aserver->fd, &request_data, MIN_REQUEST_LENGTH);
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if (res < 0) return -EINVAL;
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return 0;
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}
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static int android_aserver_pause(snd_pcm_ioplug_t* io, int enable) {
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snd_pcm_android_aserver_t* android_aserver = io->private_data;
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snd_pcm_android_aserver_t* android_aserver = io->private_data;
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int request_length = 0;
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char request_data[MIN_REQUEST_LENGTH];
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request_data[0] = REQUEST_CODE_PAUSE;
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memcpy(request_data + 1, &request_length, 4);
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int res = write(android_aserver->fd, &request_data, MIN_REQUEST_LENGTH);
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if (res < 0) return -EINVAL;
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return 0;
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int request_length = 0;
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char request_data[MIN_REQUEST_LENGTH];
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request_data[0] = REQUEST_CODE_PAUSE;
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memcpy(request_data + 1, &request_length, 4);
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int res = write(android_aserver->fd, &request_data, MIN_REQUEST_LENGTH);
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if (res < 0) return -EINVAL;
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return 0;
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}
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static int android_aserver_prepare(snd_pcm_ioplug_t* io) {
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snd_pcm_android_aserver_t* android_aserver = io->private_data;
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android_aserver->frame_bytes = (snd_pcm_format_physical_width(io->format) * io->channels) / 8;
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android_aserver->position = 0;
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char channels = (char)io->channels;
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char data_type;
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switch (io->format) {
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case SND_PCM_FORMAT_U8:
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data_type = DATA_TYPE_U8;
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break;
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case SND_PCM_FORMAT_S16_LE:
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data_type = DATA_TYPE_S16LE;
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break;
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case SND_PCM_FORMAT_S16_BE:
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data_type = DATA_TYPE_S16BE;
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break;
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case SND_PCM_FORMAT_FLOAT_LE:
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data_type = DATA_TYPE_FLOATLE;
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break;
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case SND_PCM_FORMAT_FLOAT_BE:
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data_type = DATA_TYPE_FLOATBE;
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break;
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default:
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return -EINVAL;
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}
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int request_length = 10;
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char request_data[request_length + MIN_REQUEST_LENGTH];
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request_data[0] = REQUEST_CODE_PREPARE;
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memcpy(request_data + 1, &request_length, 4);
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memcpy(request_data + 5, &channels, 1);
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memcpy(request_data + 6, &data_type, 1);
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memcpy(request_data + 7, &io->rate, 4);
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memcpy(request_data + 11, &io->buffer_size, 4);
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int res = write(android_aserver->fd, &request_data, request_length + MIN_REQUEST_LENGTH);
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if (res < 0) return -EINVAL;
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if (android_aserver->use_shm) {
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if (android_aserver->buffer_size > 0) {
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munmap(android_aserver->buffer, android_aserver->buffer_size);
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android_aserver->buffer_size = 0;
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}
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int fd = android_aserver_recv_fd(android_aserver->fd);
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if (fd >= 0) {
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android_aserver->buffer_size = io->buffer_size * android_aserver->frame_bytes;
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android_aserver->buffer = mmap(NULL, android_aserver->buffer_size, PROT_WRITE | PROT_READ, MAP_SHARED, fd, 0);
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if (android_aserver->buffer == MAP_FAILED) {
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android_aserver->buffer_size = 0;
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android_aserver->use_shm = false;
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}
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close(fd);
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}
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}
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return 0;
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snd_pcm_android_aserver_t* android_aserver = io->private_data;
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android_aserver->frame_bytes = (snd_pcm_format_physical_width(io->format) * io->channels) / 8;
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android_aserver->position = 0;
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char channels = (char)io->channels;
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char data_type;
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switch (io->format) {
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case SND_PCM_FORMAT_U8:
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data_type = DATA_TYPE_U8;
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break;
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case SND_PCM_FORMAT_S16_LE:
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data_type = DATA_TYPE_S16LE;
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break;
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case SND_PCM_FORMAT_S16_BE:
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data_type = DATA_TYPE_S16BE;
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break;
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case SND_PCM_FORMAT_FLOAT_LE:
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data_type = DATA_TYPE_FLOATLE;
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break;
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case SND_PCM_FORMAT_FLOAT_BE:
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data_type = DATA_TYPE_FLOATBE;
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break;
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default:
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return -EINVAL;
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}
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int request_length = 10;
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char request_data[request_length + MIN_REQUEST_LENGTH];
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request_data[0] = REQUEST_CODE_PREPARE;
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memcpy(request_data + 1, &request_length, 4);
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memcpy(request_data + 5, &channels, 1);
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memcpy(request_data + 6, &data_type, 1);
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memcpy(request_data + 7, &io->rate, 4);
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memcpy(request_data + 11, &io->buffer_size, 4);
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int res = write(android_aserver->fd, &request_data, request_length + MIN_REQUEST_LENGTH);
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if (res < 0) return -EINVAL;
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if (android_aserver->use_shm) {
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if (android_aserver->buffer_size > 0) {
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munmap(android_aserver->buffer, android_aserver->buffer_size);
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android_aserver->buffer_size = 0;
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}
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int fd = android_aserver_recv_fd(android_aserver->fd);
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if (fd >= 0) {
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android_aserver->buffer_size = io->buffer_size * android_aserver->frame_bytes;
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android_aserver->buffer = mmap(NULL, android_aserver->buffer_size, PROT_WRITE | PROT_READ, MAP_SHARED, fd, 0);
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if (android_aserver->buffer == MAP_FAILED) {
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android_aserver->buffer_size = 0;
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android_aserver->use_shm = false;
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}
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close(fd);
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}
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}
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return 0;
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}
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static snd_pcm_sframes_t android_aserver_pointer(snd_pcm_ioplug_t* io) {
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snd_pcm_android_aserver_t* android_aserver = io->private_data;
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snd_pcm_android_aserver_t* android_aserver = io->private_data;
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int request_length = 0;
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char request_data[MIN_REQUEST_LENGTH];
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request_data[0] = REQUEST_CODE_POINTER;
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memcpy(request_data + 1, &request_length, 4);
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int res = write(android_aserver->fd, &request_data, MIN_REQUEST_LENGTH);
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if (res < 0) return android_aserver->position;
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int position;
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res = read(android_aserver->fd, &position, 4);
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if (res != 4) return android_aserver->position;
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android_aserver->position = position;
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return android_aserver->position;
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int request_length = 0;
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char request_data[MIN_REQUEST_LENGTH];
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request_data[0] = REQUEST_CODE_POINTER;
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memcpy(request_data + 1, &request_length, 4);
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int res = write(android_aserver->fd, &request_data, MIN_REQUEST_LENGTH);
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if (res < 0) return android_aserver->position;
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int position;
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res = read(android_aserver->fd, &position, 4);
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if (res != 4) return android_aserver->position;
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android_aserver->position = position;
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return android_aserver->position;
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}
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static snd_pcm_sframes_t android_aserver_transfer(snd_pcm_ioplug_t* io, const snd_pcm_channel_area_t* areas, snd_pcm_uframes_t offset, snd_pcm_uframes_t size) {
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snd_pcm_android_aserver_t* android_aserver = io->private_data;
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snd_pcm_android_aserver_t* android_aserver = io->private_data;
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char* data = (char*)areas->addr + (areas->first + areas->step * offset) / 8;
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char* data = (char*)areas->addr + (areas->first + areas->step * offset) / 8;
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int request_length = size * android_aserver->frame_bytes;
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char request_data[MIN_REQUEST_LENGTH];
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request_data[0] = REQUEST_CODE_WRITE;
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memcpy(request_data + 1, &request_length, 4);
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if (android_aserver->use_shm) memcpy(android_aserver->buffer, data, request_length);
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int res = write(android_aserver->fd, &request_data, MIN_REQUEST_LENGTH);
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if (res < 0) return 0;
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if (!android_aserver->use_shm) {
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res = write(android_aserver->fd, data, request_length);
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if (res < 0) return 0;
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}
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return size;
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int request_length = size * android_aserver->frame_bytes;
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char request_data[MIN_REQUEST_LENGTH];
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request_data[0] = REQUEST_CODE_WRITE;
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memcpy(request_data + 1, &request_length, 4);
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if (android_aserver->use_shm) memcpy(android_aserver->buffer, data, request_length);
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int res = write(android_aserver->fd, &request_data, MIN_REQUEST_LENGTH);
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if (res < 0) return 0;
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if (!android_aserver->use_shm) {
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res = write(android_aserver->fd, data, request_length);
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if (res < 0) return 0;
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}
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return size;
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}
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static int android_aserver_drain(snd_pcm_ioplug_t* io) {
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snd_pcm_android_aserver_t* android_aserver = io->private_data;
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snd_pcm_android_aserver_t* android_aserver = io->private_data;
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int request_length = 0;
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char request_data[MIN_REQUEST_LENGTH];
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request_data[0] = REQUEST_CODE_DRAIN;
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memcpy(request_data + 1, &request_length, 4);
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int res = write(android_aserver->fd, &request_data, MIN_REQUEST_LENGTH);
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if (res < 0) return -EINVAL;
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return 0;
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int request_length = 0;
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char request_data[MIN_REQUEST_LENGTH];
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request_data[0] = REQUEST_CODE_DRAIN;
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memcpy(request_data + 1, &request_length, 4);
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int res = write(android_aserver->fd, &request_data, MIN_REQUEST_LENGTH);
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if (res < 0) return -EINVAL;
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return 0;
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}
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static int android_aserver_set_hw_constraint(snd_pcm_ioplug_t* io) {
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static int android_aserver_set_hw_constraint(snd_pcm_ioplug_t* io) {
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static const unsigned int access_list[] = {SND_PCM_ACCESS_RW_INTERLEAVED};
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static const unsigned int format_list[] = {SND_PCM_FORMAT_U8, SND_PCM_FORMAT_S16_LE, SND_PCM_FORMAT_S16_BE, SND_PCM_FORMAT_FLOAT_LE, SND_PCM_FORMAT_FLOAT_BE};
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int err;
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@ -262,109 +262,109 @@ static int android_aserver_set_hw_constraint(snd_pcm_ioplug_t* io) {
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err = snd_pcm_ioplug_set_param_minmax(io, SND_PCM_IOPLUG_HW_RATE, 8000, 48000);
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if (err < 0) return err;
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err = snd_pcm_ioplug_set_param_minmax(io, SND_PCM_IOPLUG_HW_PERIOD_BYTES, 64, 64 * 1024);
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if (err < 0) return err;
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|
||||
err = snd_pcm_ioplug_set_param_minmax(io, SND_PCM_IOPLUG_HW_PERIOD_BYTES, 64, 64 * 1024);
|
||||
if (err < 0) return err;
|
||||
|
||||
err = snd_pcm_ioplug_set_param_minmax(io, SND_PCM_IOPLUG_HW_PERIODS, 2, 64);
|
||||
if (err < 0) return err;
|
||||
err = snd_pcm_ioplug_set_param_minmax(io, SND_PCM_IOPLUG_HW_PERIODS, 2, 64);
|
||||
if (err < 0) return err;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static snd_pcm_ioplug_callback_t android_aserver_callback = {
|
||||
.close = android_aserver_close,
|
||||
.start = android_aserver_start,
|
||||
.stop = android_aserver_stop,
|
||||
.pause = android_aserver_pause,
|
||||
.resume = android_aserver_start,
|
||||
.prepare = android_aserver_prepare,
|
||||
.transfer = android_aserver_transfer,
|
||||
.drain = android_aserver_drain,
|
||||
.pointer = android_aserver_pointer,
|
||||
.close = android_aserver_close,
|
||||
.start = android_aserver_start,
|
||||
.stop = android_aserver_stop,
|
||||
.pause = android_aserver_pause,
|
||||
.resume = android_aserver_start,
|
||||
.prepare = android_aserver_prepare,
|
||||
.transfer = android_aserver_transfer,
|
||||
.drain = android_aserver_drain,
|
||||
.pointer = android_aserver_pointer,
|
||||
};
|
||||
|
||||
static int android_aserver_connect() {
|
||||
char* path = getenv("ANDROID_ALSA_SERVER");
|
||||
|
||||
int fd = socket(AF_UNIX, SOCK_STREAM, 0);
|
||||
char* path = getenv("ANDROID_ALSA_SERVER");
|
||||
|
||||
int fd = socket(AF_UNIX, SOCK_STREAM, 0);
|
||||
if (fd < 0) return -1;
|
||||
|
||||
struct sockaddr_un server_addr;
|
||||
|
||||
struct sockaddr_un server_addr;
|
||||
memset(&server_addr, 0, sizeof(server_addr));
|
||||
server_addr.sun_family = AF_LOCAL;
|
||||
|
||||
strncpy(server_addr.sun_path, path, sizeof(server_addr.sun_path) - 1);
|
||||
|
||||
int res;
|
||||
|
||||
strncpy(server_addr.sun_path, path, sizeof(server_addr.sun_path) - 1);
|
||||
|
||||
int res;
|
||||
do {
|
||||
res = 0;
|
||||
if (connect(fd, (struct sockaddr*)&server_addr, sizeof(struct sockaddr_un)) < 0) res = -errno;
|
||||
res = 0;
|
||||
if (connect(fd, (struct sockaddr*)&server_addr, sizeof(struct sockaddr_un)) < 0) res = -errno;
|
||||
}
|
||||
while (res == -EINTR);
|
||||
|
||||
if (res < 0) {
|
||||
close(fd);
|
||||
return -1;
|
||||
}
|
||||
while (res == -EINTR);
|
||||
|
||||
if (res < 0) {
|
||||
close(fd);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return fd;
|
||||
return fd;
|
||||
}
|
||||
|
||||
static int android_aserver_create(snd_pcm_t** pcmp, const char* name, snd_pcm_stream_t stream, int mode) {
|
||||
snd_pcm_android_aserver_t* android_aserver;
|
||||
|
||||
if (stream != SND_PCM_STREAM_PLAYBACK) return -ENOTSUP;
|
||||
|
||||
android_aserver = calloc(1, sizeof(snd_pcm_android_aserver_t));
|
||||
if (!android_aserver) return -ENOMEM;
|
||||
|
||||
android_aserver->buffer_size = 0;
|
||||
android_aserver->io.version = SND_PCM_IOPLUG_VERSION;
|
||||
android_aserver->io.name = "ALSA <-> Android AServer PCM Plugin";
|
||||
android_aserver->io.callback = &android_aserver_callback;
|
||||
android_aserver->io.mmap_rw = 0;
|
||||
android_aserver->io.private_data = android_aserver;
|
||||
|
||||
int res = -EINVAL;
|
||||
android_aserver->fd = android_aserver_connect();
|
||||
if (android_aserver->fd < 0) goto error;
|
||||
|
||||
char* use_shm_value = getenv("ANDROID_ASERVER_USE_SHM");
|
||||
android_aserver->use_shm = use_shm_value && (strcmp(use_shm_value, "true") == 0 || strcmp(use_shm_value, "1") == 0);
|
||||
|
||||
res = snd_pcm_ioplug_create(&android_aserver->io, name, stream, mode);
|
||||
if (res < 0) goto error;
|
||||
|
||||
res = android_aserver_set_hw_constraint(&android_aserver->io);
|
||||
snd_pcm_android_aserver_t* android_aserver;
|
||||
|
||||
if (stream != SND_PCM_STREAM_PLAYBACK) return -ENOTSUP;
|
||||
|
||||
android_aserver = calloc(1, sizeof(snd_pcm_android_aserver_t));
|
||||
if (!android_aserver) return -ENOMEM;
|
||||
|
||||
android_aserver->buffer_size = 0;
|
||||
android_aserver->io.version = SND_PCM_IOPLUG_VERSION;
|
||||
android_aserver->io.name = "ALSA <-> Android AServer PCM Plugin";
|
||||
android_aserver->io.callback = &android_aserver_callback;
|
||||
android_aserver->io.mmap_rw = 0;
|
||||
android_aserver->io.private_data = android_aserver;
|
||||
|
||||
int res = -EINVAL;
|
||||
android_aserver->fd = android_aserver_connect();
|
||||
if (android_aserver->fd < 0) goto error;
|
||||
|
||||
char* use_shm_value = getenv("ANDROID_ASERVER_USE_SHM");
|
||||
android_aserver->use_shm = use_shm_value && (strcmp(use_shm_value, "true") == 0 || strcmp(use_shm_value, "1") == 0);
|
||||
|
||||
res = snd_pcm_ioplug_create(&android_aserver->io, name, stream, mode);
|
||||
if (res < 0) goto error;
|
||||
|
||||
res = android_aserver_set_hw_constraint(&android_aserver->io);
|
||||
if (res < 0) {
|
||||
snd_pcm_ioplug_delete(&android_aserver->io);
|
||||
goto error;
|
||||
snd_pcm_ioplug_delete(&android_aserver->io);
|
||||
goto error;
|
||||
}
|
||||
|
||||
*pcmp = android_aserver->io.pcm;
|
||||
return 0;
|
||||
|
||||
|
||||
*pcmp = android_aserver->io.pcm;
|
||||
return 0;
|
||||
|
||||
error:
|
||||
if (android_aserver->fd >= 0) close(android_aserver->fd);
|
||||
free(android_aserver);
|
||||
return res;
|
||||
if (android_aserver->fd >= 0) close(android_aserver->fd);
|
||||
free(android_aserver);
|
||||
return res;
|
||||
}
|
||||
|
||||
SND_PCM_PLUGIN_DEFINE_FUNC(android_aserver) {
|
||||
snd_config_iterator_t i, next;
|
||||
|
||||
snd_config_for_each(i, next, conf) {
|
||||
snd_config_t* n = snd_config_iterator_entry(i);
|
||||
const char* id;
|
||||
|
||||
if (snd_config_get_id(n, &id) < 0) continue;
|
||||
if (strcmp(id, "type") == 0 || strcmp(id, "hint") == 0) continue;
|
||||
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
int err = android_aserver_create(pcmp, name, stream, mode);
|
||||
return err;
|
||||
snd_config_iterator_t i, next;
|
||||
|
||||
snd_config_for_each(i, next, conf) {
|
||||
snd_config_t* n = snd_config_iterator_entry(i);
|
||||
const char* id;
|
||||
|
||||
if (snd_config_get_id(n, &id) < 0) continue;
|
||||
if (strcmp(id, "type") == 0 || strcmp(id, "hint") == 0) continue;
|
||||
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
int err = android_aserver_create(pcmp, name, stream, mode);
|
||||
return err;
|
||||
}
|
||||
|
||||
SND_PCM_PLUGIN_SYMBOL(android_aserver);
|
||||
Loading…
Reference in New Issue
Block a user