diff --git a/audio/alsa-plugins/files/patch-oss_pcm__oss.c b/audio/alsa-plugins/files/patch-oss_pcm__oss.c index ca325bb68905..df0d91c02417 100644 --- a/audio/alsa-plugins/files/patch-oss_pcm__oss.c +++ b/audio/alsa-plugins/files/patch-oss_pcm__oss.c @@ -72,7 +72,7 @@ return result / oss->frame_bytes; } -@@ -67,24 +101,60 @@ static snd_pcm_sframes_t oss_read(snd_pcm_ioplug_t *io +@@ -67,37 +101,122 @@ static snd_pcm_sframes_t oss_read(snd_pcm_ioplug_t *io buf = (char *)areas->addr + (areas->first + areas->step * offset) / 8; size *= oss->frame_bytes; result = read(oss->fd, buf, size); @@ -101,56 +101,97 @@ snd_pcm_oss_t *oss = io->private_data; - struct count_info info; - int ptr; ++ snd_pcm_sframes_t frames; + audio_buf_info bi; -+ ssize_t bytes; - if (ioctl(oss->fd, io->stream == SND_PCM_STREAM_PLAYBACK ? - SNDCTL_DSP_GETOPTR : SNDCTL_DSP_GETIPTR, &info) < 0) { - fprintf(stderr, "*** OSS: oss_pointer error\n"); -- return 0; ++ switch (io->state) { ++ case SND_PCM_STATE_XRUN: ++ return -EPIPE; ++ case SND_PCM_STATE_RUNNING: ++ case SND_PCM_STATE_DRAINING: ++ break; ++ default: + return 0; + } +- ptr = snd_pcm_bytes_to_frames(io->pcm, info.ptr); +- return ptr; ++ + if (io->stream == SND_PCM_STREAM_PLAYBACK) { + if (ioctl(oss->fd, SNDCTL_DSP_GETOSPACE, &bi) < 0) + return -EINVAL; + } else { + if (ioctl(oss->fd, SNDCTL_DSP_GETISPACE, &bi) < 0) + return -EINVAL; - } -- ptr = snd_pcm_bytes_to_frames(io->pcm, info.ptr); -- return ptr; ++ } + + /* check for over- and under- run */ + if (bi.bytes != oss->bufsz) { + oss->buffer_used = true; + } else { -+ /* only report error once */ -+ if (oss->buffer_used == true) { -+ oss->buffer_used = false; ++ if (oss->buffer_used) + return -EPIPE; -+ } + } + -+ if (io->stream == SND_PCM_STREAM_PLAYBACK) -+ bi.bytes = oss->bufsz - bi.bytes; ++ frames = bi.bytes / oss->frame_bytes; + -+ /* -+ * Return exactly how many bytes can be read or written, -+ * relative to the current application pointer. -+ */ -+ bytes = snd_pcm_frames_to_bytes(io->pcm, io->appl_ptr) + bi.bytes; -+ bytes %= io->buffer_size * oss->frame_bytes; ++ /* range check */ ++ if (frames < 0) ++ frames = 0; ++ else if (frames > io->buffer_size) ++ frames = io->buffer_size; + -+ return snd_pcm_bytes_to_frames(io->pcm, bytes); ++ /* set hw_ptr directly */ ++ if (io->stream == SND_PCM_STREAM_PLAYBACK) { ++ io->hw_ptr = io->appl_ptr + frames - io->buffer_size; ++ } else { ++ io->hw_ptr = io->appl_ptr + frames; ++ } ++ return 0; } ++static int oss_prepare(snd_pcm_ioplug_t *io) ++{ ++ snd_pcm_oss_t *oss = io->private_data; ++ snd_pcm_sw_params_t *swparams; ++ snd_pcm_uframes_t min_avail; ++ int tmp; ++ ++ snd_pcm_sw_params_alloca(&swparams); ++ ++ if (snd_pcm_sw_params_current(io->pcm, swparams) == 0) { ++ snd_pcm_sw_params_get_avail_min(swparams, &min_avail); ++ snd_pcm_sw_params_alloca(&swparams); ++ } else { ++ min_avail = io->period_size; ++ } ++ ++ tmp = min_avail * oss->frame_bytes; ++ if (tmp > oss->bufsz) ++ tmp = oss->bufsz; ++ else if (tmp < 1) ++ tmp = 1; ++ ++#ifdef SNDCTL_DSP_LOW_WATER ++ if (ioctl(oss->fd, SNDCTL_DSP_LOW_WATER, &tmp) < 0) ++ return -EINVAL; ++#endif ++ oss->buffer_used = false; ++ ++ return 0; ++} ++ static int oss_start(snd_pcm_ioplug_t *io) -@@ -93,12 +163,23 @@ static int oss_start(snd_pcm_ioplug_t *io) + { + snd_pcm_oss_t *oss = io->private_data; int tmp = io->stream == SND_PCM_STREAM_PLAYBACK ? PCM_ENABLE_OUTPUT : PCM_ENABLE_INPUT; +#ifdef ALSA_OSS_DEBUG_VERBOSE + fprintf(stderr, "%s()\n", __func__); +#endif -+ if (ioctl(oss->fd, SNDCTL_DSP_SETTRIGGER, &tmp) < 0) { fprintf(stderr, "*** OSS: trigger failed\n"); +#ifdef __FreeBSD__ @@ -161,13 +202,9 @@ read(oss->fd, &tmp, 0); +#endif } -+ -+ oss->buffer_used = false; -+ return 0; } - -@@ -107,6 +188,10 @@ static int oss_stop(snd_pcm_ioplug_t *io) +@@ -107,6 +226,10 @@ static int oss_stop(snd_pcm_ioplug_t *io) snd_pcm_oss_t *oss = io->private_data; int tmp = 0; @@ -178,7 +215,7 @@ ioctl(oss->fd, SNDCTL_DSP_SETTRIGGER, &tmp); return 0; } -@@ -115,101 +200,176 @@ static int oss_drain(snd_pcm_ioplug_t *io) +@@ -115,101 +238,164 @@ static int oss_drain(snd_pcm_ioplug_t *io) { snd_pcm_oss_t *oss = io->private_data; @@ -224,7 +261,7 @@ - return -EINVAL; - } - return 0; -+ *delayp = snd_pcm_bytes_to_frames(io->pcm, tmp); ++ *delayp = tmp / oss->frame_bytes; + + return (0); } @@ -290,7 +327,6 @@ - oss->format = AFMT_S16_BE; - break; - default: -+ + oss->format = 0; + for (i = 0; i != ARRAY_SIZE(oss_formats_tab); i++) { + if (oss_formats_tab[i].alsa_format == io->format) { @@ -310,8 +346,8 @@ + + ioctl(oss->fd, SNDCTL_DSP_RESET); + -+ /* use a 16ms HW buffer by default */ -+ tmp = ((16 * io->rate) / 1000) * oss->frame_bytes; ++ /* use a 8ms HW buffer by default */ ++ tmp = ((8 * io->rate) / 1000) * oss->frame_bytes; + + /* round up to nearest power of two */ + while (tmp & (tmp - 1)) @@ -395,17 +431,6 @@ + + oss->bufsz = bi.fragsize * bi.fragstotal; + -+#ifdef SNDCTL_DSP_LOW_WATER -+ tmp = io->period_size * oss->frame_bytes; -+ if (tmp > oss->bufsz) -+ tmp = oss->bufsz; -+ else if (tmp < bi.fragsize) -+ tmp = bi.fragsize; -+ -+ if (ioctl(oss->fd, SNDCTL_DSP_LOW_WATER, &tmp) < 0) -+ perror("SNDCTL_DSP_LOW_WATER"); -+#endif -+ +#ifdef ALSA_OSS_DEBUG_VERBOSE + fprintf(stderr, + "\n\n[%lu -> %d] %lu ~ %d -> %d, %lu ~ %d -> %d [d:%ld lw:%d]\n\n", @@ -420,7 +445,7 @@ if ((flags = fcntl(oss->fd, F_GETFL)) < 0) { err = -errno; perror("F_GETFL"); -@@ -229,16 +389,148 @@ static int oss_hw_params(snd_pcm_ioplug_t *io, +@@ -229,16 +415,148 @@ static int oss_hw_params(snd_pcm_ioplug_t *io, return 0; } @@ -571,7 +596,7 @@ unsigned int format[5]; unsigned int nchannels; unsigned int channel[6]; -@@ -317,6 +609,7 @@ static int oss_hw_constraint(snd_pcm_oss_t *oss) +@@ -317,6 +635,7 @@ static int oss_hw_constraint(snd_pcm_oss_t *oss) return err; return 0; @@ -579,7 +604,7 @@ } -@@ -324,6 +617,10 @@ static int oss_close(snd_pcm_ioplug_t *io) +@@ -324,6 +643,10 @@ static int oss_close(snd_pcm_ioplug_t *io) { snd_pcm_oss_t *oss = io->private_data; @@ -590,27 +615,23 @@ close(oss->fd); free(oss->device); free(oss); -@@ -337,8 +634,8 @@ static const snd_pcm_ioplug_callback_t oss_playback_ca - .pointer = oss_pointer, - .close = oss_close, +@@ -339,6 +662,7 @@ static const snd_pcm_ioplug_callback_t oss_playback_ca .hw_params = oss_hw_params, -- .prepare = oss_prepare, + .prepare = oss_prepare, .drain = oss_drain, + .delay = oss_delay, }; static const snd_pcm_ioplug_callback_t oss_capture_callback = { -@@ -348,8 +645,8 @@ static const snd_pcm_ioplug_callback_t oss_capture_cal - .pointer = oss_pointer, - .close = oss_close, +@@ -350,6 +674,7 @@ static const snd_pcm_ioplug_callback_t oss_capture_cal .hw_params = oss_hw_params, -- .prepare = oss_prepare, + .prepare = oss_prepare, .drain = oss_drain, + .delay = oss_delay, }; -@@ -360,6 +657,10 @@ SND_PCM_PLUGIN_DEFINE_FUNC(oss) +@@ -360,6 +685,10 @@ SND_PCM_PLUGIN_DEFINE_FUNC(oss) int err; snd_pcm_oss_t *oss;