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$NetBSD: patch-ag,v 1.2 2006/02/16 10:26:30 abs Exp $
--- libavformat/audio.c.orig 2004-06-19 05:59:34.000000000 +0200
+++ libavformat/audio.c
@@ -18,10 +18,19 @@
*/
#include "avformat.h"
+#ifdef __NetBSD__
+#define USE_SUNAUDIO
+#endif
+
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
+#ifndef USE_SUNAUDIO
#include <sys/soundcard.h>
+#else
+#include <sys/types.h>
+#include <sys/audioio.h>
+#endif
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
@@ -47,9 +56,18 @@ static int audio_open(AudioData *s, int
int tmp, err;
char *flip = getenv("AUDIO_FLIP_LEFT");
+#ifdef USE_SUNAUDIO
+ audio_info_t info;
+ struct audio_prinfo *settings;
+ int mixer_fd;
+
+ if (!audio_device)
+ audio_device = "/dev/audio";
+#else
/* open linux audio device */
if (!audio_device)
audio_device = "/dev/dsp";
+#endif
if (is_output)
audio_fd = open(audio_device, O_WRONLY);
@@ -77,6 +95,7 @@ static int audio_open(AudioData *s, int
}
#endif
+#ifndef USE_SUNAUDIO
/* select format : favour native format */
err = ioctl(audio_fd, SNDCTL_DSP_GETFMTS, &tmp);
@@ -124,14 +143,114 @@ static int audio_open(AudioData *s, int
}
if (tmp)
s->channels = 2;
+#else /* USE_SUNAUDIO */
+ AUDIO_INITINFO(&info);
+ if (!is_output) {
+ info.mode = AUMODE_RECORD;
+ settings = &info.record;
+ } else {
+ info.mode = AUMODE_PLAY;
+ settings = &info.play;
+ }
+
+ /* select format */
+ /* Try native 16 bit format first */
+#ifdef WORDS_BIGENDIAN
+ settings->encoding = AUDIO_ENCODING_SLINEAR_BE;
+ s->codec_id = CODEC_ID_PCM_S16BE;
+#else
+ settings->encoding = AUDIO_ENCODING_SLINEAR_LE;
+ s->codec_id = CODEC_ID_PCM_S16LE;
+#endif
+ settings->precision = 16;
+ err = ioctl(audio_fd, AUDIO_SETINFO, &info);
+ if (err < 0) {
+ fprintf(stderr, "Soundcard does not support signed 16 bit sample format\n");
+ close(audio_fd);
+ return -EIO;
+ }
+ /* set channels */
+ AUDIO_INITINFO(&info);
+ settings->channels = s->channels;
+ err = ioctl(audio_fd, AUDIO_SETINFO, &info);
+ if (err < 0) {
+ fprintf(stderr, "stereo not supported, using mono");
+ }
+
+ /* set gain */
+ AUDIO_INITINFO(&info);
+ settings->gain = AUDIO_MAX_GAIN;
+ err = ioctl(audio_fd, AUDIO_SETINFO, &info);
+ if (err < 0) {
+ fprintf(stderr, "setting gain to %d failed", AUDIO_MAX_GAIN);
+ }
+
+#ifndef MIXER_DEVICE
+#define MIXER_DEVICE "/dev/mixer"
+#endif
+ if ((mixer_fd=open(MIXER_DEVICE, O_RDONLY)) == -1)
+ fprintf(stderr, "can't open %s\n", MIXER_DEVICE);
+ else {
+ int n;
+ mixer_devinfo_t mdt;
+ /* get debuggin information about all mixer devices */
+ mdt.index = n = 0;
+ while (ioctl(mixer_fd, AUDIO_MIXER_DEVINFO, &mdt) != -1) {
+ if (strcasecmp(mdt.label.name, "inputs") == 0) {
+ while (mdt.next != -1) {
+ printf("Mixer device %d: `%s' has type %d, class %d\n",
+ mdt.index, mdt.label.name, mdt.type,
+ mdt.mixer_class);
+ mdt.index = mdt.next;
+ if (ioctl(mixer_fd, AUDIO_MIXER_DEVINFO, &mdt) == -1) {
+ fprintf(stderr, "getting next mixer device "
+ "failed (%d)", mdt.index);
+ break;
+ }
+ printf("next device: ");
+ }
+ printf("Mixer device %d: `%s' has type %d, class %d\n",
+ mdt.index, mdt.label.name, mdt.type,
+ mdt.mixer_class);
+ }
+ n++;
+ mdt.index = n;
+ }
+ /* set input to line-in */
+ AUDIO_INITINFO(&info);
+ settings->port = AUDIO_LINE_IN;
+ err = ioctl(audio_fd, AUDIO_SETINFO, &info);
+ if (err < 0) {
+ fprintf(stderr, "setting input to line-in failed");
+ }
+ }
+ close(mixer_fd);
+#endif
+
+#ifndef USE_SUNAUDIO
tmp = s->sample_rate;
err = ioctl(audio_fd, SNDCTL_DSP_SPEED, &tmp);
if (err < 0) {
perror("SNDCTL_DSP_SPEED");
goto fail;
}
+
s->sample_rate = tmp; /* store real sample rate */
+#else
+ AUDIO_INITINFO(&info);
+ settings->sample_rate = s->sample_rate;
+ err = ioctl(audio_fd, AUDIO_SETINFO, &info);
+ if (err < 0) {
+ fprintf(stderr, "setting sample rate to %d failed", s->sample_rate);
+ err = ioctl(audio_fd, AUDIO_GETINFO, &info);
+ if (err < 0) {
+ perror("AUDIO_GETINFO");
+ goto fail;
+ }
+ s->sample_rate = settings->sample_rate;
+ }
+#endif
s->fd = audio_fd;
return 0;
@@ -240,7 +359,11 @@ static int audio_read_packet(AVFormatCon
AudioData *s = s1->priv_data;
int ret, bdelay;
int64_t cur_time;
+#ifndef USE_SUNAUDIO
struct audio_buf_info abufi;
+#else
+ audio_info_t info;
+#endif
if (av_new_packet(pkt, s->frame_size) < 0)
return AVERROR_IO;
@@ -276,9 +399,15 @@ static int audio_read_packet(AVFormatCon
/* compute pts of the start of the packet */
cur_time = av_gettime();
bdelay = ret;
+#ifndef USE_SUNAUDIO
if (ioctl(s->fd, SNDCTL_DSP_GETISPACE, &abufi) == 0) {
bdelay += abufi.bytes;
}
+#else
+ if (ioctl(s->fd, AUDIO_GETINFO, &info) == 0) {
+ bdelay += info.record.seek * (info.record.precision/8);
+ }
+#endif
/* substract time represented by the number of bytes in the audio fifo */
cur_time -= (bdelay * 1000000LL) / (s->sample_rate * s->channels);
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