From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:52536) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gbAkA-0008CS-QB for qemu-devel@nongnu.org; Sun, 23 Dec 2018 15:53:03 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gbAk9-0003G0-H4 for qemu-devel@nongnu.org; Sun, 23 Dec 2018 15:53:02 -0500 Received: from mail-wm1-x336.google.com ([2a00:1450:4864:20::336]:50633) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gbAk9-0003DS-A4 for qemu-devel@nongnu.org; Sun, 23 Dec 2018 15:53:01 -0500 Received: by mail-wm1-x336.google.com with SMTP id n190so9881731wmd.0 for ; Sun, 23 Dec 2018 12:53:01 -0800 (PST) From: "=?UTF-8?q?K=C5=91v=C3=A1g=C3=B3=2C=20Zolt=C3=A1n?=" Date: Sun, 23 Dec 2018 21:52:13 +0100 Message-Id: <4a336338eda1c3f6b8d27003d840373ada76a099.1545598229.git.DirtY.iCE.hu@gmail.com> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v2 37/52] wavaudio: port to the new audio backend api List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Gerd Hoffmann Signed-off-by: Kővágó, Zoltán --- audio/wavaudio.c | 54 ++++++++---------------------------------------- 1 file changed, 9 insertions(+), 45 deletions(-) diff --git a/audio/wavaudio.c b/audio/wavaudio.c index 58300663ff..31db03aadb 100644 --- a/audio/wavaudio.c +++ b/audio/wavaudio.c @@ -34,52 +34,28 @@ typedef struct WAVVoiceOut { HWVoiceOut hw; FILE *f; int64_t old_ticks; - void *pcm_buf; int total_samples; } WAVVoiceOut; -static int wav_run_out (HWVoiceOut *hw, int live) +static size_t wav_write_out(HWVoiceOut *hw, void *buf, size_t len) { WAVVoiceOut *wav = (WAVVoiceOut *) hw; - int rpos, decr, samples; - uint8_t *dst; - struct st_sample *src; int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); int64_t ticks = now - wav->old_ticks; int64_t bytes = muldiv64(ticks, hw->info.bytes_per_second, NANOSECONDS_PER_SECOND); - if (bytes > INT_MAX) { - samples = INT_MAX >> hw->info.shift; - } - else { - samples = bytes >> hw->info.shift; - } - + bytes = MIN(bytes, len); + bytes = bytes >> hw->info.shift << hw->info.shift; wav->old_ticks = now; - decr = MIN (live, samples); - samples = decr; - rpos = hw->rpos; - while (samples) { - int left_till_end_samples = hw->samples - rpos; - int convert_samples = MIN (samples, left_till_end_samples); - src = hw->mix_buf + rpos; - dst = advance (wav->pcm_buf, rpos << hw->info.shift); - - hw->clip (dst, src, convert_samples); - if (fwrite (dst, convert_samples << hw->info.shift, 1, wav->f) != 1) { - dolog ("wav_run_out: fwrite of %d bytes failed\nReaons: %s\n", - convert_samples << hw->info.shift, strerror (errno)); - } - - rpos = (rpos + convert_samples) % hw->samples; - samples -= convert_samples; - wav->total_samples += convert_samples; + if (bytes && fwrite(buf, bytes, 1, wav->f) != 1) { + dolog("wav_write_out: fwrite of %zu bytes failed\nReaons: %s\n", + bytes, strerror(errno)); } - hw->rpos = rpos; - return decr; + wav->total_samples += bytes >> hw->info.shift; + return bytes; } /* VICE code: Store number as little endian. */ @@ -135,13 +111,6 @@ static int wav_init_out(HWVoiceOut *hw, struct audsettings *as, audio_pcm_init_info (&hw->info, &wav_as); hw->samples = 1024; - wav->pcm_buf = audio_calloc(__func__, hw->samples, 1 << hw->info.shift); - if (!wav->pcm_buf) { - dolog("Could not allocate buffer (%zu bytes)\n", - hw->samples << hw->info.shift); - return -1; - } - le_store (hdr + 22, hw->info.nchannels, 2); le_store (hdr + 24, hw->info.freq, 4); le_store (hdr + 28, hw->info.freq << (bits16 + stereo), 4); @@ -151,8 +120,6 @@ static int wav_init_out(HWVoiceOut *hw, struct audsettings *as, if (!wav->f) { dolog ("Failed to open wave file `%s'\nReason: %s\n", wav_path, strerror(errno)); - g_free (wav->pcm_buf); - wav->pcm_buf = NULL; return -1; } @@ -206,9 +173,6 @@ static void wav_fini_out (HWVoiceOut *hw) wav->f, strerror (errno)); } wav->f = NULL; - - g_free (wav->pcm_buf); - wav->pcm_buf = NULL; } static int wav_ctl_out (HWVoiceOut *hw, int cmd, ...) @@ -232,7 +196,7 @@ static void wav_audio_fini (void *opaque) static struct audio_pcm_ops wav_pcm_ops = { .init_out = wav_init_out, .fini_out = wav_fini_out, - .run_out = wav_run_out, + .write = wav_write_out, .ctl_out = wav_ctl_out, }; -- 2.20.1