julian/AirplayServer
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Enabled Audio Sync

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This commit is contained in:
julian@kiedaisch.net
2020-05-03 20:23:35 +02:00
parent bd3f31c826
commit 82022f24be
5 changed files with 23 additions and 34 deletions
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3
README.md
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@@ -9,7 +9,6 @@ Requires 5G Wifi connection.
1. Video and audio are supported out of the box.
3. Gstreamer decoding is plugin agnostic. Uses accelerated decoders if availible. VAAPI is preferable.
4. Automatic screen orientation.
5. No source timesync by now.
6. GTK+ support
##Building:
@@ -20,4 +19,4 @@ Requires 5G Wifi connection.
##GTK+ Features:
1. Double click switches between fullscreen mode and normal window.
2. Escape key ends fullscreen mode.
2. Escape key ends fullscreen mode.

31
airplayServer.cpp
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@@ -130,14 +130,13 @@ std::string find_mac() {
void print_info(char *name) {
printf("RPiPlay %s: An open-source AirPlay mirroring server for Raspberry Pi\n", VERSION);
printf("Usage: %s [-b (on|auto|off)] [-n name] [-a (hdmi|analog|off)]\n", name);
printf("Usage: %s [-n name]\n", name);
printf("Options:\n");
printf("-n name Specify the network name of the AirPlay server\n");
printf("-b (on|auto|off) Show black background always, only during active connection, or never\n");
printf("-a (hdmi|analog|off) Set audio output device\n");
printf("-n name Specify the network name of the AirPlay server\n");
printf("-a Turn audio off. Only video output\n");
printf("-l Enable low-latency mode (disables render clock)\n");
printf("-d Enable debug logging\n");
printf("-v/-h Displays this help and version information\n");
printf("-d Enable debug logging\n");
printf("-v/-h Displays this help and version information\n");
}
static void gtk_destroy (GtkWidget * widget, gpointer data) {
@@ -220,24 +219,10 @@ int main(int argc, char *argv[]) {
if (arg == "-n") {
if (i == argc - 1) continue;
server_name = std::string(argv[++i]);
} else if (arg == "-b") {
// For backwards-compatibility, make just -b disable the background
if (i == argc - 1 || argv[i + 1][0] == '-') {
background = BACKGROUND_MODE_OFF;
continue;
}
std::string background_mode(argv[++i]);
background = background_mode == "off" ? BACKGROUND_MODE_OFF :
background_mode == "auto" ? BACKGROUND_MODE_AUTO :
BACKGROUND_MODE_ON;
} else if (arg == "-a") {
if (i == argc - 1) continue;
std::string audio_device_name(argv[++i]);
audio_device = audio_device_name == "hdmi" ? AUDIO_DEVICE_HDMI :
audio_device_name == "analog" ? AUDIO_DEVICE_ANALOG :
AUDIO_DEVICE_NONE;
} else if (arg == "-l") {
audio_device = AUDIO_DEVICE_NONE;
} else if (arg == "-l") {
low_latency = !low_latency;
} else if (arg == "-d") {
debug_log = !debug_log;
@@ -431,7 +416,7 @@ int stop_server() {
raop_destroy(raop);
dnssd_unregister_raop(dnssd);
dnssd_unregister_airplay(dnssd);
audio_renderer_destroy(audio_renderer);
if (audio_renderer) audio_renderer_destroy(audio_renderer);
video_renderer_destroy(video_renderer);
return 0;
}

6
lib/dnssdint.h
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@@ -6,7 +6,7 @@
#define RAOP_CN "0,1,2,3" /* Audio codec: PCM, ALAC, AAC, AAC ELD */
#define RAOP_ET "0,3,5" /* Encryption type: None, FairPlay, FairPlay SAPv2.5 */
#define RAOP_VV "2"
#define RAOP_FT "0x5A7FFFF7,0x1E"
#define RAOP_FT "0x5A7FFFE6"
#define RAOP_RHD "5.6.0.0"
#define RAOP_SF "0x4"
#define RAOP_SV "false"
@@ -19,11 +19,11 @@
#define RAOP_VN "65537"
#define RAOP_PK "b07727d6f6cd6e08b58ede525ec3cdeaa252ad9f683feb212ef8a205246554e7"
#define AIRPLAY_FEATURES "0x5A7FFFF7,0x1E"
#define AIRPLAY_FEATURES "0x5A7FFFE6"
#define AIRPLAY_SRCVERS "220.68"
#define AIRPLAY_FLAGS "0x4"
#define AIRPLAY_VV "2"
#define AIRPLAY_PK "b07727d6f6cd6e08b58ede525ec3cdeaa252ad9f683feb212ef8a205246554e7"
#define AIRPLAY_PI "2e388006-13ba-4041-9a67-25dd4a43d536"
#endif
#endif

13
renderers/audio_renderer_gstreamer.c
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@@ -24,11 +24,11 @@
#include <string.h>
#include <stdbool.h>
#include <unistd.h>
#include <math.h>
#include <gst/app/gstappsrc.h>
struct audio_renderer_s {
logger_t *logger;
video_renderer_t *video_renderer;
GstElement *appsrc;
GstElement *pipeline;
GstElement *volume;
@@ -44,7 +44,8 @@ audio_renderer_t *audio_renderer_init(logger_t *logger, video_renderer_t *video_
}
renderer->logger = logger;
renderer->pipeline = gst_parse_launch("appsrc name=audio_source is-live=true ! queue ! decodebin ! audioconvert ! audiorate ! volume name=volume volume=6 ! queue ! autoaudiosink sync=false", &error);
renderer->pipeline = gst_parse_launch("appsrc name=audio_source stream-type=0 format=GST_FORMAT_TIME is-live=true ! queue ! decodebin !"
"audioconvert ! volume name=volume ! level ! autoaudiosink sync=false", &error);
g_assert (renderer->pipeline);
renderer->appsrc = gst_bin_get_by_name (GST_BIN (renderer->pipeline), "audio_source");
@@ -89,14 +90,18 @@ void audio_renderer_render_buffer(audio_renderer_t *renderer, raop_ntp_t *ntp, u
buffer = gst_buffer_new_and_alloc(data_len);
assert(buffer != NULL);
GST_BUFFER_DTS(buffer) = (GstClockTime)pts;
gst_buffer_fill(buffer, 0, data, data_len);
gst_app_src_push_buffer(GST_APP_SRC(renderer->appsrc), buffer);
}
void audio_renderer_set_volume(audio_renderer_t *renderer, float volume) {
//g_object_set(renderer->volume, "volume", volume, NULL);
float avol;
if (fabs(volume) < 28) {
avol=floorf(((28-fabs(volume))/28)*10)/10;
g_object_set(renderer->volume, "volume", avol, NULL);
}
}
void audio_renderer_flush(audio_renderer_t *renderer) {

4
renderers/video_renderer_gstreamer.c
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@@ -47,7 +47,7 @@ video_renderer_t *video_renderer_init(logger_t *logger, background_mode_t backgr
renderer->logger = logger;
renderer->pipeline = gst_parse_launch("appsrc name=video_source is-live=true ! queue ! decodebin ! videoconvert ! videoscale ! xvimagesink name=video_sink sync=false", &error);
renderer->pipeline = gst_parse_launch("appsrc name=video_source stream-type=0 format=GST_FORMAT_TIME is-live=true ! queue ! decodebin ! videoconvert ! videoscale ! xvimagesink name=video_sink sync=false", &error);
/*
renderer->pipeline = gst_pipeline_new("test-pipeline");
renderer->appsrc = gst_element_factory_make("appsrc","video_source");
@@ -91,7 +91,7 @@ void video_renderer_render_buffer(video_renderer_t *renderer, raop_ntp_t *ntp, u
buffer = gst_buffer_new_and_alloc(data_len);
assert(buffer != NULL);
GST_BUFFER_DTS(buffer) = (GstClockTime)pts;
gst_buffer_fill(buffer, 0, data, data_len);
GST_BUFFER_FLAG_SET(buffer, GST_BUFFER_FLAG_CORRUPTED);
gst_app_src_push_buffer (GST_APP_SRC(renderer->appsrc), buffer);