[Spice-devel] [spice-gtk opus support 5/6 (take 4b)] Add support for the Opus codec.
Jeremy White
jwhite at codeweavers.com
Sat Nov 30 07:20:16 PST 2013
Signed-off-by: Jeremy White <jwhite at codeweavers.com>
---
gtk/Makefile.am | 2 ++
gtk/channel-playback.c | 49 ++++++++++++++++++------------------------------
gtk/channel-record.c | 36 ++++++++++++++++++-----------------
3 files changed, 39 insertions(+), 48 deletions(-)
diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index 9c7300f..62afd36 100644
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -79,6 +79,7 @@ SPICE_COMMON_CPPFLAGS = \
$(COMMON_CFLAGS) \
$(PIXMAN_CFLAGS) \
$(CELT051_CFLAGS) \
+ $(OPUS_CFLAGS) \
$(PULSE_CFLAGS) \
$(GTK_CFLAGS) \
$(CAIRO_CFLAGS) \
@@ -185,6 +186,7 @@ libspice_client_glib_2_0_la_LIBADD = \
$(GIO_LIBS) \
$(GOBJECT2_LIBS) \
$(CELT051_LIBS) \
+ $(OPUS_LIBS) \
$(JPEG_LIBS) \
$(Z_LIBS) \
$(PIXMAN_LIBS) \
diff --git a/gtk/channel-playback.c b/gtk/channel-playback.c
index acb6e4e..bff5428 100644
--- a/gtk/channel-playback.c
+++ b/gtk/channel-playback.c
@@ -90,8 +90,11 @@ static void channel_set_handlers(SpiceChannelClass *klass);
static void spice_playback_channel_reset_capabilities(SpiceChannel *channel)
{
if (!g_getenv("SPICE_DISABLE_CELT"))
- if (snd_codec_is_capable(SPICE_AUDIO_DATA_MODE_CELT_0_5_1))
+ if (snd_codec_is_capable(SPICE_AUDIO_DATA_MODE_CELT_0_5_1, SND_CODEC_ANY_FREQUENCY))
spice_channel_set_capability(SPICE_CHANNEL(channel), SPICE_PLAYBACK_CAP_CELT_0_5_1);
+ if (!g_getenv("SPICE_DISABLE_OPUS"))
+ if (snd_codec_is_capable(SPICE_AUDIO_DATA_MODE_OPUS, SND_CODEC_ANY_FREQUENCY))
+ spice_channel_set_capability(SPICE_CHANNEL(channel), SPICE_PLAYBACK_CAP_OPUS);
spice_channel_set_capability(SPICE_CHANNEL(channel), SPICE_PLAYBACK_CAP_VOLUME);
spice_channel_set_capability(SPICE_CHANNEL(channel), SPICE_PLAYBACK_CAP_LATENCY);
}
@@ -357,29 +360,23 @@ static void playback_handle_data(SpiceChannel *channel, SpiceMsgIn *in)
c->last_time = packet->time;
- switch (c->mode) {
- case SPICE_AUDIO_DATA_MODE_RAW:
- emit_main_context(channel, SPICE_PLAYBACK_DATA,
- packet->data, packet->data_size);
- break;
- case SPICE_AUDIO_DATA_MODE_CELT_0_5_1: {
- uint8_t pcm[SND_CODEC_CELT_FRAME_SIZE * 2 * 2];
- int n = sizeof(pcm);
+ uint8_t *data = packet->data;
+ int n = packet->data_size;
+ uint8_t pcm[SND_CODEC_MAX_FRAME_SIZE * 2 * 2];
+
+ if (c->mode != SPICE_AUDIO_DATA_MODE_RAW) {
+ n = sizeof(pcm);
+ data = pcm;
if (snd_codec_decode(c->codec, packet->data, packet->data_size,
pcm, &n) != SND_CODEC_OK) {
- g_warning("celt_decode() error");
+ g_warning("snd_codec_decode() error");
return;
}
-
- emit_main_context(channel, SPICE_PLAYBACK_DATA, pcm, n);
- break;
- }
- default:
- g_warning("%s: unhandled mode", __FUNCTION__);
- break;
}
+ emit_main_context(channel, SPICE_PLAYBACK_DATA, data, n);
+
if ((c->frame_count++ % 100) == 0) {
emit_main_context(channel, SPICE_PLAYBACK_GET_DELAY);
}
@@ -398,6 +395,7 @@ static void playback_handle_mode(SpiceChannel *channel, SpiceMsgIn *in)
switch (c->mode) {
case SPICE_AUDIO_DATA_MODE_RAW:
case SPICE_AUDIO_DATA_MODE_CELT_0_5_1:
+ case SPICE_AUDIO_DATA_MODE_OPUS:
break;
default:
g_warning("%s: unhandled mode", __FUNCTION__);
@@ -420,25 +418,14 @@ static void playback_handle_start(SpiceChannel *channel, SpiceMsgIn *in)
c->min_latency = SPICE_PLAYBACK_DEFAULT_LATENCY_MS;
c->codec = NULL;
- switch (c->mode) {
- case SPICE_AUDIO_DATA_MODE_RAW:
- emit_main_context(channel, SPICE_PLAYBACK_START,
- start->format, start->channels, start->frequency);
- break;
- case SPICE_AUDIO_DATA_MODE_CELT_0_5_1: {
+ if (c->mode != SPICE_AUDIO_DATA_MODE_RAW) {
if (snd_codec_create(&c->codec, c->mode, start->frequency, SND_CODEC_DECODE) != SND_CODEC_OK) {
g_warning("create decoder failed");
return;
}
-
- emit_main_context(channel, SPICE_PLAYBACK_START,
- start->format, start->channels, start->frequency);
- break;
- }
- default:
- g_warning("%s: unhandled mode", __FUNCTION__);
- break;
}
+ emit_main_context(channel, SPICE_PLAYBACK_START,
+ start->format, start->channels, start->frequency);
}
/* coroutine context */
diff --git a/gtk/channel-record.c b/gtk/channel-record.c
index c99eae3..6b5e944 100644
--- a/gtk/channel-record.c
+++ b/gtk/channel-record.c
@@ -81,15 +81,17 @@ enum {
static guint signals[SPICE_RECORD_LAST_SIGNAL];
static void channel_set_handlers(SpiceChannelClass *klass);
-static void channel_up(SpiceChannel *channel);
/* ------------------------------------------------------------------ */
static void spice_record_channel_reset_capabilities(SpiceChannel *channel)
{
if (!g_getenv("SPICE_DISABLE_CELT"))
- if (snd_codec_is_capable(SPICE_AUDIO_DATA_MODE_CELT_0_5_1))
+ if (snd_codec_is_capable(SPICE_AUDIO_DATA_MODE_CELT_0_5_1, SND_CODEC_ANY_FREQUENCY))
spice_channel_set_capability(SPICE_CHANNEL(channel), SPICE_RECORD_CAP_CELT_0_5_1);
+ if (!g_getenv("SPICE_DISABLE_OPUS"))
+ if (snd_codec_is_capable(SPICE_AUDIO_DATA_MODE_OPUS, SND_CODEC_ANY_FREQUENCY))
+ spice_channel_set_capability(SPICE_CHANNEL(channel), SPICE_RECORD_CAP_OPUS);
spice_channel_set_capability(SPICE_CHANNEL(channel), SPICE_RECORD_CAP_VOLUME);
}
@@ -178,7 +180,6 @@ static void spice_record_channel_class_init(SpiceRecordChannelClass *klass)
gobject_class->finalize = spice_record_channel_finalize;
gobject_class->get_property = spice_record_channel_get_property;
gobject_class->set_property = spice_record_channel_set_property;
- channel_class->channel_up = channel_up;
channel_class->channel_reset = channel_reset;
channel_class->channel_reset_capabilities = spice_record_channel_reset_capabilities;
@@ -299,18 +300,18 @@ static void spice_record_mode(SpiceRecordChannel *channel, uint32_t time,
spice_msg_out_send(msg);
}
-/* coroutine context */
-static void channel_up(SpiceChannel *channel)
+static int spice_record_desired_mode(SpiceChannel *channel, int frequency)
{
- SpiceRecordChannelPrivate *rc;
-
- rc = SPICE_RECORD_CHANNEL(channel)->priv;
- if (!g_getenv("SPICE_DISABLE_CELT") &&
- snd_codec_is_capable(SPICE_AUDIO_DATA_MODE_CELT_0_5_1) &&
+ if (!g_getenv("SPICE_DISABLE_OPUS") &&
+ snd_codec_is_capable(SPICE_AUDIO_DATA_MODE_OPUS, frequency) &&
+ spice_channel_test_capability(channel, SPICE_RECORD_CAP_OPUS)) {
+ return SPICE_AUDIO_DATA_MODE_OPUS;
+ } else if (!g_getenv("SPICE_DISABLE_CELT") &&
+ snd_codec_is_capable(SPICE_AUDIO_DATA_MODE_CELT_0_5_1, frequency) &&
spice_channel_test_capability(channel, SPICE_RECORD_CAP_CELT_0_5_1)) {
- rc->mode = SPICE_AUDIO_DATA_MODE_CELT_0_5_1;
+ return SPICE_AUDIO_DATA_MODE_CELT_0_5_1;
} else {
- rc->mode = SPICE_AUDIO_DATA_MODE_RAW;
+ return SPICE_AUDIO_DATA_MODE_RAW;
}
}
@@ -424,6 +425,9 @@ static void record_handle_start(SpiceChannel *channel, SpiceMsgIn *in)
{
SpiceRecordChannelPrivate *c = SPICE_RECORD_CHANNEL(channel)->priv;
SpiceMsgRecordStart *start = spice_msg_in_parsed(in);
+ int frame_size = SND_CODEC_MAX_FRAME_SIZE;
+
+ c->mode = spice_record_desired_mode(channel, start->frequency);
CHANNEL_DEBUG(channel, "%s: fmt %d channels %d freq %d", __FUNCTION__,
start->format, start->channels, start->frequency);
@@ -431,19 +435,17 @@ static void record_handle_start(SpiceChannel *channel, SpiceMsgIn *in)
g_return_if_fail(start->format == SPICE_AUDIO_FMT_S16);
c->codec = NULL;
- c->frame_bytes = SND_CODEC_MAX_FRAME_SIZE * 16 * start->channels / 8;
-
- if (c->mode == SPICE_AUDIO_DATA_MODE_CELT_0_5_1)
- {
- c->frame_bytes = SND_CODEC_CELT_FRAME_SIZE * 16 * start->channels / 8;
+ if (c->mode != SPICE_AUDIO_DATA_MODE_RAW) {
if (snd_codec_create(&c->codec, c->mode, start->frequency, SND_CODEC_ENCODE) != SND_CODEC_OK) {
g_warning("Failed to create encoder");
return;
}
+ frame_size = snd_codec_frame_size(c->codec);
}
g_free(c->last_frame);
+ c->frame_bytes = frame_size * 16 * start->channels / 8;
c->last_frame = g_malloc(c->frame_bytes);
c->last_frame_current = 0;
--
1.7.10.4
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