mirror of
https://github.com/mpv-player/mpv
synced 2025-02-01 20:52:05 +00:00
New ao_jack without bio2jack dependency.
Since I rewrote ao_jack.c from scratch, the diff is unreadable, sorry. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15606 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
parent
61df87b528
commit
fc65974c7c
4
AUTHORS
4
AUTHORS
@ -209,6 +209,7 @@ D
|
||||
* various fixes all over the place
|
||||
* reworked live changing playback speed
|
||||
* made MMS over HTTP stream selection work and modified ASF header parsing
|
||||
* reimplemented ao_jack without bio2jack dependency
|
||||
|
||||
Dolbeau, Romain <romain@dolbeau.org>
|
||||
* random AltiVec (PowerPC multimedia extensions) stuff
|
||||
@ -671,6 +672,9 @@ Strasser, Alexander (beastd) <eclipse7@gmx.net>
|
||||
* EWMH fullscreen
|
||||
* suboption parser
|
||||
|
||||
Strzelecki, Kamil < esack at browarek.net >
|
||||
* first version of ao_jack, using bio2jack
|
||||
|
||||
Svoboda, Jiri (zar) <Jiri.Svoboda@seznam.cz>
|
||||
* AQT type subtitles support
|
||||
* CRTC2 YUV support in mga_vid
|
||||
|
@ -171,6 +171,7 @@ libao2 drivers:
|
||||
* ao_arts.c - None
|
||||
* ao_dxr2.c - None
|
||||
* ao_esd.c - None
|
||||
* ao_jack.c - Reimar Döffinger
|
||||
* ao_mpegpes.c - None
|
||||
* ao_nas.c - Tobias Diedrich
|
||||
* ao_null.c - None
|
||||
|
22
configure
vendored
22
configure
vendored
@ -356,7 +356,6 @@ multiple paths separated by ':'):
|
||||
--with-toolamedir=DIR path to Toolame library and include file
|
||||
--with-xmmsplugindir=DIR XMMS plugins in DIR
|
||||
--with-xmmslibdir=DIR libxmms.so.1 in DIR
|
||||
--with-bio2jack=DIR libbio2jack.a in DIR
|
||||
--with-cdparanoiaincdir=DIR cdparanoia headers in DIR (*)
|
||||
--with-cdparanoialibdir=DIR cdparanoia libraries (libcdda_*) in DIR (*)
|
||||
--with-xvmclib=NAME name of adapter-specific library (e.g. XvMCNVIDIA)
|
||||
@ -1809,10 +1808,6 @@ for ac_option do
|
||||
_xmmsplugindir=`echo $ac_option | cut -d '=' -f 2`
|
||||
;;
|
||||
|
||||
--with-bio2jack=*)
|
||||
_bio2jackdir=`echo $ac_option | cut -d '=' -f 2`
|
||||
;;
|
||||
|
||||
--enable-profile)
|
||||
_profile='-p'
|
||||
;;
|
||||
@ -4693,16 +4688,9 @@ if test "$_jack" = auto ; then
|
||||
|
||||
cat > $TMPC << EOF
|
||||
#include <jack/jack.h>
|
||||
int main(void) { JACK_Init(); return 0; }
|
||||
int main(void) { jack_client_new("test"); return 0; }
|
||||
EOF
|
||||
# This test only checks the minor version number.
|
||||
if ( ( test `bio2jack-config --version | cut -d '.' -f 2` -ge 3 ) ) >/dev/null 2>&1 ; then
|
||||
if test -z "$_bio2jackdir" ; then
|
||||
cc_check -lbio2jack `pkg-config --libs --cflags jack` && ( "$TMPO" >> "$TMPLOG" 2>&1 ) && _jack=yes
|
||||
else
|
||||
cc_check -L "$_bio2jackdir" -lbio2jack `pkg-config --libs --cflags jack` && ( "$TMPO" >> "$TMPLOG" 2>&1 ) && _jack=yes
|
||||
fi
|
||||
fi
|
||||
cc_check `pkg-config --libs --cflags jack` && ( "$TMPO" >> "$TMPLOG" 2>&1 ) && _jack=yes
|
||||
fi
|
||||
fi
|
||||
|
||||
@ -4710,11 +4698,7 @@ if test "$_jack" = yes ; then
|
||||
_def_jack='#define USE_JACK 1'
|
||||
_aosrc="$_aosrc ao_jack.c"
|
||||
_aomodules="jack $_aomodules"
|
||||
if test -z "$_bio2jackdir" ; then
|
||||
_ld_jack="-lbio2jack `pkg-config --libs jack`"
|
||||
else
|
||||
_ld_jack="-L \"$_bio2jackdir\" -lbio2jack `pkg-config --libs jack`"
|
||||
fi
|
||||
_ld_jack="`pkg-config --libs jack`"
|
||||
_inc_jack=`pkg-config --cflags jack`
|
||||
else
|
||||
_noaomodules="jack $_noaomodules"
|
||||
|
517
libao2/ao_jack.c
517
libao2/ao_jack.c
@ -1,258 +1,345 @@
|
||||
/*
|
||||
* ao_jack - JACK audio output driver for MPlayer
|
||||
/*
|
||||
* ao_jack.c - libao2 JACK Audio Output Driver for MPlayer
|
||||
*
|
||||
* Kamil Strzelecki < esack at browarek.net >
|
||||
*
|
||||
* This driver is distribuited under terms of GPL
|
||||
*
|
||||
* It uses bio2jack (http://bio2jack.sf.net/).
|
||||
* This driver is under the same license as MPlayer.
|
||||
* (http://www.mplayerhq.hu)
|
||||
*
|
||||
* Copyleft 2001 by Felix Bünemann (atmosfear@users.sf.net)
|
||||
* and Reimar Döffinger (Reimar.Doeffinger@stud.uni-karlsruhe.de)
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <jack/jack.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "config.h"
|
||||
#include "mp_msg.h"
|
||||
#include "help_mp.h"
|
||||
|
||||
#include "audio_out.h"
|
||||
#include "audio_out_internal.h"
|
||||
#include "libaf/af_format.h"
|
||||
#include "mp_msg.h"
|
||||
#include "osdep/timer.h"
|
||||
#include "subopt-helper.h"
|
||||
|
||||
//#include "bio2jack.h"
|
||||
#include "libvo/fastmemcpy.h"
|
||||
|
||||
static int driver = 0;
|
||||
long latency = 0;
|
||||
long approx_bytes_in_jackd = 0;
|
||||
#include <jack/jack.h>
|
||||
|
||||
//bio2jack stuff:
|
||||
#define ERR_SUCCESS 0
|
||||
#define ERR_OPENING_JACK 1
|
||||
#define ERR_RATE_MISMATCH 2
|
||||
#define ERR_BYTES_PER_FRAME_INVALID 3
|
||||
enum status_enum { PLAYING, PAUSED, STOPPED, CLOSED, RESET };
|
||||
void JACK_Init(void);
|
||||
int JACK_Open(int* deviceID, unsigned int bits_per_sample, unsigned long *rate, int channels);
|
||||
int JACK_Close(int deviceID); /* return 0 for success */
|
||||
void JACK_Reset(int deviceID); /* free all buffered data and reset several values in the device */
|
||||
long JACK_Write(int deviceID, char *data, unsigned long bytes); /* returns the number of bytes written */
|
||||
long JACK_GetJackLatency(int deviceID); /* return the latency in milliseconds of jack */
|
||||
int JACK_SetState(int deviceID, enum status_enum state); /* playing, paused, stopped */
|
||||
int JACK_SetAllVolume(int deviceID, unsigned int volume);
|
||||
int JACK_SetVolumeForChannel(int deviceID, unsigned int channel, unsigned int volume);
|
||||
void JACK_GetVolumeForChannel(int deviceID, unsigned int channel, unsigned int *volume);
|
||||
//
|
||||
|
||||
|
||||
static ao_info_t info =
|
||||
static ao_info_t info =
|
||||
{
|
||||
"JACK audio output",
|
||||
"jack",
|
||||
"Kamil Strzelecki <esack@browarek.net>",
|
||||
""
|
||||
"JACK audio output",
|
||||
"jack",
|
||||
"Reimar Döffinger <Reimar.Doeffinger@stud.uni-karlsruhe.de>",
|
||||
"based on ao_sdl.c"
|
||||
};
|
||||
|
||||
|
||||
LIBAO_EXTERN(jack)
|
||||
|
||||
//! maximum number of channels supported, avoids lots of mallocs
|
||||
#define MAX_CHANS 6
|
||||
static jack_port_t *ports[MAX_CHANS];
|
||||
static int num_ports; ///< Number of used ports == number of channels
|
||||
static jack_client_t *client;
|
||||
static volatile int paused = 0; ///< set if paused
|
||||
static volatile int underrun = 0; ///< signals if an underrun occured
|
||||
|
||||
static int control(int cmd, void *arg)
|
||||
{
|
||||
switch(cmd) {
|
||||
case AOCONTROL_GET_VOLUME:
|
||||
{
|
||||
ao_control_vol_t *vol = (ao_control_vol_t *)arg;
|
||||
unsigned int l, r;
|
||||
|
||||
JACK_GetVolumeForChannel(driver, 0, &l);
|
||||
JACK_GetVolumeForChannel(driver, 1, &r);
|
||||
vol->left = (float )l;
|
||||
vol->right = (float )r;
|
||||
|
||||
return CONTROL_OK;
|
||||
}
|
||||
case AOCONTROL_SET_VOLUME:
|
||||
{
|
||||
ao_control_vol_t *vol = (ao_control_vol_t *)arg;
|
||||
unsigned int l = (int )vol->left,
|
||||
r = (int )vol->right,
|
||||
avg_vol = (l + r) / 2,
|
||||
err = 0;
|
||||
//! If this is defined try to make a more precise delay estimation. Will be slower.
|
||||
#undef JACK_ESTIMATE_DELAY
|
||||
#ifdef JACK_ESTIMATE_DELAY
|
||||
static volatile int callback_samples = 0;
|
||||
static volatile unsigned int callback_time = 0;
|
||||
#endif
|
||||
|
||||
switch (ao_data.channels) {
|
||||
case 6:
|
||||
if((err = JACK_SetVolumeForChannel(driver, 5, avg_vol))) {
|
||||
mp_msg(MSGT_AO, MSGL_ERR,
|
||||
"AO: [Jack] Setting lfe volume failed, error %d\n",err);
|
||||
return CONTROL_ERROR;
|
||||
}
|
||||
case 5:
|
||||
if((err = JACK_SetVolumeForChannel(driver, 4, avg_vol))) {
|
||||
mp_msg(MSGT_AO, MSGL_ERR,
|
||||
"AO: [Jack] Setting center volume failed, error %d\n",err);
|
||||
return CONTROL_ERROR;
|
||||
}
|
||||
case 4:
|
||||
if((err = JACK_SetVolumeForChannel(driver, 3, r))) {
|
||||
mp_msg(MSGT_AO, MSGL_ERR,
|
||||
"AO: [Jack] Setting rear right volume failed, error %d\n",err);
|
||||
return CONTROL_ERROR;
|
||||
}
|
||||
case 3:
|
||||
if((err = JACK_SetVolumeForChannel(driver, 2, l))) {
|
||||
mp_msg(MSGT_AO, MSGL_ERR,
|
||||
"AO: [Jack] Setting rear left volume failed, error %d\n",err);
|
||||
return CONTROL_ERROR;
|
||||
}
|
||||
case 2:
|
||||
if((err = JACK_SetVolumeForChannel(driver, 1, r))) {
|
||||
mp_msg(MSGT_AO, MSGL_ERR,
|
||||
"AO: [Jack] Setting right volume failed, error %d\n",err);
|
||||
return CONTROL_ERROR;
|
||||
}
|
||||
case 1:
|
||||
if((err = JACK_SetVolumeForChannel(driver, 0, l))) {
|
||||
mp_msg(MSGT_AO, MSGL_ERR,
|
||||
"AO: [Jack] Setting left volume failed, error %d\n",err);
|
||||
return CONTROL_ERROR;
|
||||
}
|
||||
}
|
||||
//! size of one chunk, if this is too small MPlayer will start to "stutter"
|
||||
//! after a short time of playback
|
||||
#define CHUNK_SIZE (16 * 1024)
|
||||
//! number of "virtual" chunks the buffer consists of
|
||||
#define NUM_CHUNKS 8
|
||||
// This type of ring buffer may never fill up completely, at least
|
||||
// one byte must always be unused.
|
||||
// For performance reasons (alignment etc.) one whole chunk always stays
|
||||
// empty, not only one byte.
|
||||
#define BUFFSIZE ((NUM_CHUNKS + 1) * CHUNK_SIZE)
|
||||
|
||||
return CONTROL_OK;
|
||||
}
|
||||
}
|
||||
//! buffer for audio data
|
||||
static unsigned char *buffer = NULL;
|
||||
|
||||
return(CONTROL_UNKNOWN);
|
||||
//! buffer read position, may only be modified by playback thread or while it is stopped
|
||||
static volatile int read_pos;
|
||||
//! buffer write position, may only be modified by MPlayer's thread
|
||||
static volatile int write_pos;
|
||||
|
||||
/**
|
||||
* \brief get the number of free bytes in the buffer
|
||||
* \return number of free bytes in buffer
|
||||
*
|
||||
* may only be called by MPlayer's thread
|
||||
* return value may change between immediately following two calls,
|
||||
* and the real number of free bytes might be larger!
|
||||
*/
|
||||
static int buf_free() {
|
||||
int free = read_pos - write_pos - CHUNK_SIZE;
|
||||
if (free < 0) free += BUFFSIZE;
|
||||
return free;
|
||||
}
|
||||
|
||||
|
||||
static int init(int rate_hz, int channels, int format, int flags)
|
||||
{
|
||||
int err, m, frag_spec;
|
||||
unsigned long rate;
|
||||
unsigned int bits_per_sample;
|
||||
|
||||
unsigned long jack_port_flags=JackPortIsPhysical;
|
||||
unsigned int jack_port_name_count=0;
|
||||
const char *jack_port_name=NULL;
|
||||
|
||||
mp_msg(MSGT_AO, MSGL_INFO, "AO: [Jack] Initialising library.\n");
|
||||
JACK_Init();
|
||||
|
||||
if (ao_subdevice) {
|
||||
jack_port_flags = 0;
|
||||
jack_port_name_count = 1;
|
||||
jack_port_name = ao_subdevice;
|
||||
mp_msg(MSGT_AO, MSGL_INFO, "AO: [Jack] Trying to use jack device:%s.\n", ao_subdevice);
|
||||
}
|
||||
|
||||
switch (format) {
|
||||
case AF_FORMAT_U8:
|
||||
case AF_FORMAT_S8:
|
||||
format = AF_FORMAT_U8;
|
||||
bits_per_sample = 8;
|
||||
m = 1;
|
||||
break;
|
||||
default:
|
||||
format = AF_FORMAT_S16_NE;
|
||||
bits_per_sample = 16;
|
||||
m = 2;
|
||||
break;
|
||||
}
|
||||
|
||||
rate = rate_hz;
|
||||
|
||||
err = JACK_OpenEx(&driver, bits_per_sample, &rate, channels, channels,
|
||||
&jack_port_name, jack_port_name_count, jack_port_flags);
|
||||
|
||||
/* if sample rates doesn't match try to open device with jack's rate and
|
||||
* let mplayer convert it (rate now contains that which jackd use) */
|
||||
if(err == ERR_RATE_MISMATCH) {
|
||||
mp_msg(MSGT_AO, MSGL_INFO,
|
||||
"AO: [Jack] Sample rate mismatch, trying to resample.\n");
|
||||
|
||||
err = JACK_OpenEx(&driver, bits_per_sample, &rate, channels, channels,
|
||||
&jack_port_name, jack_port_name_count, jack_port_flags);
|
||||
}
|
||||
|
||||
/* any other error */
|
||||
if(err != ERR_SUCCESS) {
|
||||
mp_msg(MSGT_AO, MSGL_ERR,
|
||||
"AO: [Jack] JACK_Open() failed, error %d\n", err);
|
||||
return 0;
|
||||
}
|
||||
|
||||
err = JACK_SetAllVolume(driver, 100);
|
||||
if(err != ERR_SUCCESS) {
|
||||
// This is not fatal, but would be peculiar...
|
||||
mp_msg(MSGT_AO, MSGL_ERR,
|
||||
"AO: [Jack] JACK_SetAllVolume() failed, error %d\n", err);
|
||||
}
|
||||
|
||||
latency = JACK_GetJackLatency(driver);
|
||||
|
||||
ao_data.format = format;
|
||||
ao_data.channels = channels;
|
||||
ao_data.samplerate = rate;
|
||||
ao_data.bps = ( rate * channels * m );
|
||||
|
||||
// Rather rough way to find out the rough number of bytes buffered
|
||||
approx_bytes_in_jackd = JACK_GetJackBufferedBytes(driver) * 2;
|
||||
|
||||
mp_msg(MSGT_AO, MSGL_INFO,
|
||||
"AO: [Jack] OK. I'm ready to go (%d Hz/%d channels/%d bit)\n",
|
||||
ao_data.samplerate, ao_data.channels, bits_per_sample);
|
||||
|
||||
return 1;
|
||||
/**
|
||||
* \brief get amount of data available in the buffer
|
||||
* \return number of bytes available in buffer
|
||||
*
|
||||
* may only be called by the playback thread
|
||||
* return value may change between immediately following two calls,
|
||||
* and the real number of buffered bytes might be larger!
|
||||
*/
|
||||
static int buf_used() {
|
||||
int used = write_pos - read_pos;
|
||||
if (used < 0) used += BUFFSIZE;
|
||||
return used;
|
||||
}
|
||||
|
||||
|
||||
static void uninit(int immed)
|
||||
{
|
||||
int errval = 0;
|
||||
|
||||
if((errval = JACK_Close(driver)))
|
||||
mp_msg(MSGT_AO, MSGL_ERR,
|
||||
"AO: [Jack] error closing device, error %d\n", errval);
|
||||
/**
|
||||
* \brief insert len bytes into buffer
|
||||
* \param data data to insert
|
||||
* \param len length of data
|
||||
* \return number of bytes inserted into buffer
|
||||
*
|
||||
* If there is not enough room, the buffer is filled up
|
||||
*/
|
||||
static int write_buffer(unsigned char* data, int len) {
|
||||
int first_len = BUFFSIZE - write_pos;
|
||||
int free = buf_free();
|
||||
if (len > free) len = free;
|
||||
if (first_len > len) first_len = len;
|
||||
// till end of buffer
|
||||
memcpy (&buffer[write_pos], data, first_len);
|
||||
if (len > first_len) { // we have to wrap around
|
||||
// remaining part from beginning of buffer
|
||||
memcpy (buffer, &data[first_len], len - first_len);
|
||||
}
|
||||
write_pos = (write_pos + len) % BUFFSIZE;
|
||||
return len;
|
||||
}
|
||||
|
||||
|
||||
static int play(void* data,int len,int flags)
|
||||
{
|
||||
return JACK_Write(driver, data, len);
|
||||
/**
|
||||
* \brief read data from buffer and splitting it into channels
|
||||
* \param bufs num_bufs float buffers, each will contain the data of one channel
|
||||
* \param cnt number of samples to read per channel
|
||||
* \param num_bufs number of channels to split the data into
|
||||
* \return number of samples read per channel, equals cnt unless there was too
|
||||
* little data in the buffer
|
||||
*
|
||||
* Assumes the data in the buffer is of type float, the number of bytes
|
||||
* read is res * num_bufs * sizeof(float), where res is the return value.
|
||||
*/
|
||||
static int read_buffer(float **bufs, int cnt, int num_bufs) {
|
||||
int first_len = BUFFSIZE - read_pos;
|
||||
int buffered = buf_used();
|
||||
int i, j;
|
||||
if (cnt * sizeof(float) * num_bufs > buffered)
|
||||
cnt = buffered / sizeof(float) / num_bufs;
|
||||
for (i = 0; i < cnt; i++) {
|
||||
for (j = 0; j < num_bufs; j++) {
|
||||
bufs[j][i] = *((float *)(&buffer[read_pos]));
|
||||
read_pos = (read_pos + sizeof(float)) % BUFFSIZE;
|
||||
}
|
||||
}
|
||||
return cnt;
|
||||
}
|
||||
|
||||
// end ring buffer stuff
|
||||
|
||||
static void audio_pause()
|
||||
{
|
||||
JACK_SetState(driver, PAUSED);
|
||||
static int control(int cmd, void *arg) {
|
||||
return CONTROL_UNKNOWN;
|
||||
}
|
||||
|
||||
|
||||
static void audio_resume()
|
||||
{
|
||||
JACK_SetState(driver, PLAYING);
|
||||
/**
|
||||
* \brief fill the buffers with silence
|
||||
* \param bufs num_bufs float buffers, each will contain the data of one channel
|
||||
* \param cnt number of samples in each buffer
|
||||
* \param num_bufs number of buffers
|
||||
*/
|
||||
static void silence(float **bufs, int cnt, int num_bufs) {
|
||||
int i, j;
|
||||
for (i = 0; i < cnt; i++)
|
||||
for (j = 0; j < num_bufs; j++)
|
||||
bufs[j][i] = 0;
|
||||
}
|
||||
|
||||
|
||||
static void reset()
|
||||
{
|
||||
JACK_Reset(driver);
|
||||
latency = JACK_GetJackLatency(driver);
|
||||
// Rather rough way to find out the rough number of bytes buffered
|
||||
approx_bytes_in_jackd = JACK_GetJackBufferedBytes(driver) * 2;
|
||||
/**
|
||||
* \brief JACK Callback function
|
||||
* \param nframes number of frames to fill into buffers
|
||||
* \param arg unused
|
||||
* \return currently always 0
|
||||
*
|
||||
* Write silence into buffers if paused or an underrun occured
|
||||
*/
|
||||
static int outputaudio(jack_nframes_t nframes, void *arg) {
|
||||
float *bufs[MAX_CHANS];
|
||||
int i;
|
||||
for (i = 0; i < num_ports; i++)
|
||||
bufs[i] = jack_port_get_buffer(ports[i], nframes);
|
||||
if (!paused && !underrun)
|
||||
if (read_buffer(bufs, nframes, num_ports) < nframes)
|
||||
underrun = 1;
|
||||
if (paused || underrun)
|
||||
silence(bufs, nframes, num_ports);
|
||||
#ifdef JACK_ESTIMATE_DELAY
|
||||
callback_samples = nframes;
|
||||
callback_time = GetTimer();
|
||||
#endif
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static int get_space()
|
||||
/**
|
||||
* \brief print suboption usage help
|
||||
*/
|
||||
static void print_help ()
|
||||
{
|
||||
return JACK_GetBytesFreeSpace(driver);
|
||||
mp_msg (MSGT_AO, MSGL_FATAL,
|
||||
"\n-ao jack commandline help:\n"
|
||||
"Example: mplayer -ao jack:port=myout\n"
|
||||
" connects MPlayer to the jack ports named myout\n"
|
||||
"\nOptions:\n"
|
||||
" port=<port name>\n"
|
||||
" Connects to the given ports instead of the default physical ones\n");
|
||||
}
|
||||
|
||||
static int init(int rate, int channels, int format, int flags) {
|
||||
const char **matching_ports = NULL;
|
||||
char *port_name = NULL;
|
||||
opt_t subopts[] = {
|
||||
{"port", OPT_ARG_MSTRZ, &port_name, NULL},
|
||||
{NULL}
|
||||
};
|
||||
int port_flags = JackPortIsInput;
|
||||
int i;
|
||||
if (subopt_parse(ao_subdevice, subopts) != 0) {
|
||||
print_help();
|
||||
return 0;
|
||||
}
|
||||
if (channels > MAX_CHANS) {
|
||||
mp_msg(MSGT_AO, MSGL_FATAL, "[JACK] Invalid number of channels: %i\n", channels);
|
||||
goto err_out;
|
||||
}
|
||||
client = jack_client_new("MPlayer");
|
||||
if (!client) {
|
||||
mp_msg(MSGT_AO, MSGL_FATAL, "[JACK] cannot open server\n");
|
||||
goto err_out;
|
||||
}
|
||||
jack_set_process_callback(client, outputaudio, 0);
|
||||
|
||||
static float get_delay()
|
||||
{
|
||||
float ret = 0;
|
||||
ret = (JACK_GetBytesStored(driver) + approx_bytes_in_jackd + latency) / (float)ao_data.bps;
|
||||
return ret;
|
||||
// list matching ports
|
||||
if (!port_name)
|
||||
port_flags |= JackPortIsPhysical;
|
||||
matching_ports = jack_get_ports(client, port_name, NULL, port_flags);
|
||||
for (num_ports = 0; matching_ports && matching_ports[num_ports]; num_ports++) ;
|
||||
if (!num_ports) {
|
||||
mp_msg(MSGT_AO, MSGL_FATAL, "[JACK] no physical ports available\n");
|
||||
goto err_out;
|
||||
}
|
||||
if (channels > num_ports) channels = num_ports;
|
||||
num_ports = channels;
|
||||
|
||||
// create out output ports
|
||||
for (i = 0; i < num_ports; i++) {
|
||||
char pname[30];
|
||||
snprintf(pname, 30, "out_%d", i);
|
||||
ports[i] = jack_port_register(client, pname, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
|
||||
if (!ports[i]) {
|
||||
mp_msg(MSGT_AO, MSGL_FATAL, "[JACK] not enough ports available\n");
|
||||
goto err_out;
|
||||
}
|
||||
}
|
||||
if (jack_activate(client)) {
|
||||
mp_msg(MSGT_AO, MSGL_FATAL, "[JACK] activate failed\n");
|
||||
goto err_out;
|
||||
}
|
||||
for (i = 0; i < num_ports; i++) {
|
||||
if (jack_connect(client, jack_port_name(ports[i]), matching_ports[i])) {
|
||||
mp_msg(MSGT_AO, MSGL_FATAL, "[JACK] connecting failed\n");
|
||||
goto err_out;
|
||||
}
|
||||
}
|
||||
buffer = (unsigned char *) malloc(BUFFSIZE);
|
||||
|
||||
ao_data.channels = channels;
|
||||
ao_data.samplerate = rate = jack_get_sample_rate(client);
|
||||
ao_data.format = AF_FORMAT_FLOAT_NE;
|
||||
ao_data.bps = channels * rate * sizeof(float);
|
||||
ao_data.buffersize = jack_port_get_total_latency(client, ports[0]) * channels;
|
||||
ao_data.outburst = CHUNK_SIZE;
|
||||
free(matching_ports);
|
||||
free(port_name);
|
||||
return 1;
|
||||
|
||||
err_out:
|
||||
free(matching_ports);
|
||||
free(port_name);
|
||||
if (client)
|
||||
jack_client_close(client);
|
||||
free(buffer);
|
||||
buffer = NULL;
|
||||
return 0;
|
||||
}
|
||||
|
||||
// close audio device
|
||||
static void uninit(int immed) {
|
||||
if (!immed)
|
||||
usec_sleep(get_delay() * 1000 * 1000);
|
||||
// HACK, make sure jack doesn't loop-output dirty buffers
|
||||
paused = 1;
|
||||
usec_sleep(100 * 1000);
|
||||
jack_client_close(client);
|
||||
free(buffer);
|
||||
buffer = NULL;
|
||||
}
|
||||
|
||||
/**
|
||||
* \brief stop playing and empty buffers (for seeking/pause)
|
||||
*/
|
||||
static void reset() {
|
||||
paused = 1;
|
||||
read_pos = 0;
|
||||
write_pos = 0;
|
||||
paused = 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* \brief stop playing, keep buffers (for pause)
|
||||
*/
|
||||
static void audio_pause() {
|
||||
paused = 1;
|
||||
}
|
||||
|
||||
/**
|
||||
* \brief resume playing, after audio_pause()
|
||||
*/
|
||||
static void audio_resume() {
|
||||
paused = 0;
|
||||
}
|
||||
|
||||
static int get_space() {
|
||||
return buf_free();
|
||||
}
|
||||
|
||||
/**
|
||||
* \brief write data into buffer and reset underrun flag
|
||||
*/
|
||||
static int play(void *data, int len, int flags) {
|
||||
len -= len % ao_data.outburst;
|
||||
underrun = 0;
|
||||
return write_buffer(data, len);
|
||||
}
|
||||
|
||||
static float get_delay() {
|
||||
int buffered = BUFFSIZE - CHUNK_SIZE - buf_free(); // could be less
|
||||
float in_jack = (float)ao_data.buffersize / (float)ao_data.bps;
|
||||
#ifdef JACK_ESTIMATE_DELAY
|
||||
unsigned int elapsed = GetTimer() - callback_time;
|
||||
in_jack += (float)callback_samples / (float)ao_data.samplerate - (float)elapsed / 1000.0 / 1000.0;
|
||||
if (in_jack < 0) in_jack = 0;
|
||||
#endif
|
||||
return (float)buffered / (float)ao_data.bps + in_jack;
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user