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-rw-r--r--audio/rat/files/patch-ah286
1 files changed, 286 insertions, 0 deletions
diff --git a/audio/rat/files/patch-ah b/audio/rat/files/patch-ah
new file mode 100644
index 000000000000..e4b2b41eb216
--- /dev/null
+++ b/audio/rat/files/patch-ah
@@ -0,0 +1,286 @@
+Index: auddev_newpcm.c
+===================================================================
+RCS file: /cs/research/mice/starship/src/local/CVS_repository/rat/auddev_newpcm.c,v
+retrieving revision 1.17
+retrieving revision 1.18
+diff -u -r1.17 -r1.18
+--- rat/auddev_newpcm.c 2001/02/28 20:15:02 1.17
++++ rat/auddev_newpcm.c 2002/02/24 21:13:47 1.18
+@@ -9,7 +9,7 @@
+
+ #ifndef HIDE_SOURCE_STRINGS
+ static const char cvsid[] =
+-"$Id: auddev_newpcm.c,v 1.17 2001/02/28 20:15:02 ucacoxh Exp $";
++"$Id: auddev_newpcm.c,v 1.18 2002/02/24 21:13:47 ucacoxh Exp $";
+ #endif /* HIDE_SOURCE_STRINGS */
+
+ #include "config_unix.h"
+@@ -26,15 +26,32 @@
+ #include <dirent.h>
+ #include <errno.h>
+
++/* #define DEBUG_JUST_NEWPCM if not using debug-enable and want err msgs */
++#ifdef DEBUG_JUST_NEWPCM
++#undef debug_msg
++#define debug_msg(x...) fprintf(stderr, x)
++#endif /* DEBUG_JUST_NEWPCM */
++
+ static char *port_names[] = SOUND_DEVICE_LABELS;
+ static int iport, oport, loop;
+ static snd_chan_param pa;
+ static struct snd_size sz;
+ static int audio_fd = -1;
++static int mixer_fd = -1;
+
+ #define RAT_TO_DEVICE(x) ((x) * 100 / MAX_AMP)
+ #define DEVICE_TO_RAT(x) ((x) * MAX_AMP / 100)
+
++#define MIXER_CHECK0(fd) if ((fd) < 0) { \
++ debug_msg("Failed mixer checked\n"); \
++ return; \
++ }
++
++#define MIXER_CHECK1(fd, err) if ((fd) < 0) { \
++ debug_msg("Failed mixer checked\n"); \
++ return (err); \
++ }
++
+ #define NEWPCM_AUDIO_IOCTL(fd, cmd, val) \
+ newpcm_error = 0; \
+ if (ioctl((fd), (cmd), (val)) < 0) { \
+@@ -53,6 +70,7 @@
+ static audio_format *input_format, *output_format, *tmp_format;
+ static snd_capabilities soundcaps[NEWPCM_MAX_AUDIO_DEVICES];
+
++static int newpcm_mixer_open(const char* audiodev);
+ static void newpcm_mixer_save(int fd);
+ static void newpcm_mixer_restore(int fd);
+ static void newpcm_mixer_init(int fd);
+@@ -76,17 +94,15 @@
+ /* Ignore any earlier errors */
+ newpcm_error = 0;
+
+- newpcm_mixer_save(audio_fd);
+-
+ NEWPCM_AUDIO_IOCTL(audio_fd, AIOGCAP, &soundcaps[ad]);
+- debug_msg("soundcaps[%d].rate_min = %d\n", ad, soundcaps[ad].rate_min);
+- debug_msg("soundcaps[%d].rate_max = %d\n", ad, soundcaps[ad].rate_max);
++ debug_msg("soundcaps[%d].rate_min = %ld\n", ad, soundcaps[ad].rate_min);
++ debug_msg("soundcaps[%d].rate_max = %ld\n", ad, soundcaps[ad].rate_max);
+ debug_msg("soundcaps[%d].formats = 0x%08lx\n", ad, soundcaps[ad].formats);
+- debug_msg("soundcaps[%d].bufsize = %d\n", ad, soundcaps[ad].bufsize);
++ debug_msg("soundcaps[%d].bufsize = %ld\n", ad, soundcaps[ad].bufsize);
+ debug_msg("soundcaps[%d].mixers = 0x%08lx\n", ad, soundcaps[ad].mixers);
+ debug_msg("soundcaps[%d].inputs = 0x%08lx\n", ad, soundcaps[ad].inputs);
+- debug_msg("soundcaps[%d].left = 0x%04lx\n", ad, soundcaps[ad].left);
+- debug_msg("soundcaps[%d].right = 0x%04lx\n", ad, soundcaps[ad].right);
++ debug_msg("soundcaps[%d].left = 0x%04x\n", ad, soundcaps[ad].left);
++ debug_msg("soundcaps[%d].right = 0x%04x\n", ad, soundcaps[ad].right);
+
+ /* Setup input and output format settings */
+ assert(ofmt->channels == ifmt->channels);
+@@ -125,7 +141,7 @@
+ (IN_RANGE((uint32_t)ifmt->sample_rate,
+ soundcaps[ad].rate_min,
+ soundcaps[ad].rate_max) == 0)) {
+- debug_msg("(%d or %d) out of range %d -- %d Hz\n",
++ debug_msg("(%d or %d) out of range %ld -- %ld Hz\n",
+ ofmt->sample_rate,
+ ifmt->sample_rate,
+ soundcaps[ad].rate_min,
+@@ -190,7 +206,9 @@
+ }
+ output_format = tmp_format;
+
+- newpcm_mixer_init(audio_fd);
++ mixer_fd = newpcm_mixer_open(thedev);
++ newpcm_mixer_save(mixer_fd);
++ newpcm_mixer_init(mixer_fd);
+ /* Turn off loopback from input to output... not fatal so
+ * after error check.
+ */
+@@ -224,10 +242,14 @@
+ if (output_format != NULL) {
+ audio_format_free(&output_format);
+ }
+- newpcm_mixer_restore(audio_fd);
++
+ newpcm_audio_drain(audio_fd);
+ close(audio_fd);
+ audio_fd = -1;
++
++ newpcm_mixer_restore(mixer_fd);
++ close(mixer_fd);
++ mixer_fd = -1;
+ }
+
+ /* Flush input buffer */
+@@ -380,8 +402,9 @@
+ {
+ int volume, lgport, op;
+
+- UNUSED(ad); assert(audio_fd > 0);
+-
++ MIXER_CHECK0(mixer_fd);
++
++ UNUSED(ad);
+ vol = RAT_TO_DEVICE(vol);
+ volume = vol << 8 | vol;
+ lgport = -1;
+@@ -391,7 +414,7 @@
+ lgport ++;
+ }
+
+- NEWPCM_AUDIO_IOCTL(audio_fd, MIXER_WRITE(lgport), &volume);
++ NEWPCM_AUDIO_IOCTL(mixer_fd, MIXER_WRITE(lgport), &volume);
+ }
+
+ int
+@@ -399,7 +422,8 @@
+ {
+ int volume, lgport, op;
+
+- UNUSED(ad); assert(audio_fd > 0);
++ UNUSED(ad);
++ MIXER_CHECK1(mixer_fd, 0);
+
+ lgport = -1;
+ op = oport;
+@@ -408,7 +432,7 @@
+ lgport ++;
+ }
+
+- NEWPCM_AUDIO_IOCTL(audio_fd, MIXER_READ(lgport), &volume);
++ NEWPCM_AUDIO_IOCTL(mixer_fd, MIXER_READ(lgport), &volume);
+ volume = DEVICE_TO_RAT(volume & 0xff);
+ if (volume > 100 || volume < 0) {
+ debug_msg("gain out of bounds (%08x %d--%d)" \
+@@ -468,17 +492,19 @@
+ int volume = RAT_TO_DEVICE(gain);
+ volume |= (volume << 8);
+
+- UNUSED(ad); assert(audio_fd > 0);
++ UNUSED(ad);
++ MIXER_CHECK0(mixer_fd);
++
+ newpcm_audio_loopback_config(gain);
+ /* Try AC97 */
+- NEWPCM_AUDIO_IOCTL(audio_fd, SOUND_MIXER_WRITE_RECLEV, &volume);
++ NEWPCM_AUDIO_IOCTL(mixer_fd, SOUND_MIXER_WRITE_RECLEV, &volume);
+
+ if (newpcm_error != 0 && iport != 0) {
+ /* Fallback to non-ac97 */
+ int idx = 1;
+ while ((1 << idx) != iport)
+ idx++;
+- NEWPCM_AUDIO_IOCTL(audio_fd, MIXER_WRITE(idx), &volume);
++ NEWPCM_AUDIO_IOCTL(mixer_fd, MIXER_WRITE(idx), &volume);
+ }
+ }
+
+@@ -487,15 +513,17 @@
+ {
+ int volume = 0;
+
+- UNUSED(ad); assert(audio_fd > 0);
++ UNUSED(ad);
++ MIXER_CHECK1(mixer_fd, 0);
++
+ /* Try AC97 */
+- NEWPCM_AUDIO_IOCTL(audio_fd, SOUND_MIXER_READ_RECLEV, &volume);
++ NEWPCM_AUDIO_IOCTL(mixer_fd, SOUND_MIXER_READ_RECLEV, &volume);
+ if (newpcm_error != 0 && iport != 0) {
+ /* Fallback to non-ac97 */
+ int idx = 1;
+ while ((1 << idx) != iport)
+ idx++;
+- NEWPCM_AUDIO_IOCTL(audio_fd, MIXER_READ(idx), &volume);
++ NEWPCM_AUDIO_IOCTL(mixer_fd, MIXER_READ(idx), &volume);
+ }
+ volume = DEVICE_TO_RAT(volume & 0xff);
+ if (volume > 100 || volume < 0) {
+@@ -512,6 +540,8 @@
+ /* Check port is in record mask */
+ int gain;
+
++ MIXER_CHECK0(mixer_fd);
++
+ debug_msg("port 0x%08x recmask 0x%08x\n", port, recmask);
+
+ if ((port & recmask) == 0) {
+@@ -520,7 +550,7 @@
+ return;
+ }
+
+- if (ioctl(audio_fd, SOUND_MIXER_WRITE_RECSRC, &port) < 0) {
++ if (ioctl(mixer_fd, SOUND_MIXER_WRITE_RECSRC, &port) < 0) {
+ perror("Unable to write record mask\n");
+ return;
+ }
+@@ -571,6 +601,8 @@
+ {
+ int lgport, vol;
+
++ MIXER_CHECK0(mixer_fd);
++
+ /* Find current input port id */
+ lgport = newpcm_get_nth_port_mask(iport, 0);
+
+@@ -580,7 +612,7 @@
+ vol = 0;
+ }
+
+- NEWPCM_AUDIO_IOCTL(audio_fd, MIXER_WRITE(lgport), &vol);
++ NEWPCM_AUDIO_IOCTL(mixer_fd, MIXER_WRITE(lgport), &vol);
+ }
+
+ void
+@@ -706,6 +738,48 @@
+ return dummy;
+ }
+ return NULL;
++}
++
++/* Mixer open / close related */
++
++static int
++newpcm_mixer_device(const char* audiodev)
++{
++ const char* p = audiodev;
++ int devno = 0;
++
++ /*
++ * Audio device looks like "/dev/fooN" or "dev/foo/N.n"
++ * and we want "N"
++ */
++ while (p && !isnumber(*p))
++ p++;
++ while (p && isnumber(*p)) {
++ devno = devno * 10 + (*p - '0');
++ p++;
++ }
++ assert(devno < 20);
++ return devno;
++}
++
++static int
++newpcm_mixer_open(const char* audiodev)
++{
++ char mixer_name[32] = "/dev/mixerXXX";
++ int m;
++
++#define END_OF_DEV_MIXER 10
++ sprintf(mixer_name + END_OF_DEV_MIXER,
++ "%d", newpcm_mixer_device(audiodev));
++
++ m = open(mixer_name, O_RDWR);
++ if (m < 0) {
++ fprintf(stderr, "Could not open %s (%s): "
++ "mixer operations will not work.\n",
++ mixer_name, strerror(errno));
++ return 0;
++ }
++ return m;
+ }
+
+ /* Functions to save and restore recording source and mixer levels */
generated by cgit v1.2.3 (git 2.25.1) at 2025-09-06 15:20:07 +0000