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allow uxplay to function w/o audio in avdec_aac is missing

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This commit is contained in:
F. Duncanh
2023-07-23 07:23:02 -04:00
parent 292be9d7e7
commit 96af6c63bf
1 changed files with 79 additions and 26 deletions
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105
renderers/audio_renderer_gstreamer.c
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@@ -32,6 +32,12 @@ static GstClockTime gst_audio_pipeline_base_time = GST_CLOCK_TIME_NONE;
static logger_t *logger = NULL;
const char * format[NFORMATS];
static const gchar *avdec_aac = "avdec_aac";
static const gchar *avdec_alac = "avdec_alac";
static gboolean aac = FALSE;
static gboolean alac = FALSE;
static gboolean render_audio = FALSE;
typedef struct audio_renderer_s {
GstElement *appsrc;
GstElement *pipeline;
@@ -62,7 +68,6 @@ static gboolean check_plugins (void)
GstRegistry *registry;
const gchar *needed[] = { "app", "libav", "playback", "autodetect", "videoparsersbad", NULL};
const gchar *gst[] = {"plugins-base", "libav", "plugins-base", "plugins-good", "plugins-bad", NULL};
const gchar *needed_feature[] = { "avdec_aac", "avdec_alac", NULL};
registry = gst_registry_get ();
ret = TRUE;
for (int i = 0; i < g_strv_length ((gchar **) needed); i++) {
@@ -78,27 +83,35 @@ static gboolean check_plugins (void)
plugin = NULL;
}
if (ret == FALSE) {
g_print ("\nif the plugin is installed, but not found, try clearing your gstreamer cache with:\n"
g_print ("\nif the plugin is installed, but not found, your gstreamer registry may have been corrupted.\n"
"to rebuild it when gstreamer next starts, clear your gstreamer cache with:\n"
"\"rm -rf ~/.cache/gstreamer-1.0\"\n\n");
return ret;
}
for (int i = 0; i < g_strv_length ((gchar **) needed_feature); i++) {
GstPluginFeature *plugin_feature;
plugin_feature = gst_registry_find_feature (registry, needed_feature[i], GST_TYPE_ELEMENT_FACTORY);
if (!plugin_feature) {
g_print ("Required gstreamer libav plugin feature '%s' not found:\n\n"
"This may be missing because the FFmpeg package used by GStreamer-1.x-libav is incomplete.\n"
"(Some distributions provide an incomplete FFmpeg due to License or Patent issues:\n"
"in such cases a complete version for that distribution is usually made available elsewhere)\n",
needed_feature[i]);
ret = FALSE;
continue;
}
gst_object_unref (plugin_feature);
plugin_feature = NULL;
return ret;
}
static gboolean check_plugin_feature (const gchar *needed_feature)
{
gboolean ret;
GstPluginFeature *plugin_feature;
GstRegistry *registry = gst_registry_get ();
ret = TRUE;
plugin_feature = gst_registry_find_feature (registry, needed_feature, GST_TYPE_ELEMENT_FACTORY);
if (!plugin_feature) {
g_print ("Required gstreamer libav plugin feature '%s' not found:\n\n"
"This may be missing because the FFmpeg package used by GStreamer-1.x-libav is incomplete.\n"
"(Some distributions provide an incomplete FFmpeg due to License or Patent issues:\n"
"in such cases a complete version for that distribution is usually made available elsewhere)\n",
needed_feature);
ret = FALSE;
} else {
gst_object_unref (plugin_feature);
plugin_feature = NULL;
}
if (ret == FALSE) {
g_print ("\nif the plugin feature is installed, but not found, try clearing your gstreamer cache with:\n"
g_print ("\nif the plugin feature is installed, but not found, your gstreamer registry may have been corrupted.\n"
"to rebuild it when gstreamer next starts, clear your gstreamer cache with:\n"
"\"rm -rf ~/.cache/gstreamer-1.0\"\n\n");
}
return ret;
@@ -117,18 +130,21 @@ void audio_renderer_init(logger_t *render_logger, const char* audiosink, const b
logger = render_logger;
aac = check_plugin_feature (avdec_aac);
alac = check_plugin_feature (avdec_alac);
for (int i = 0; i < NFORMATS ; i++) {
renderer_type[i] = (audio_renderer_t *) calloc(1,sizeof(audio_renderer_t));
g_assert(renderer_type[i]);
GString *launch = g_string_new("appsrc name=audio_source ! ");
g_string_append(launch, "queue ");
g_string_append(launch, "queue ! ");
switch (i) {
case 0: /* AAC-ELD */
case 2: /* AAC-LC */
g_string_append(launch, "! avdec_aac ! ");
if (aac) g_string_append(launch, "avdec_aac ! ");
break;
case 1: /* ALAC */
g_string_append(launch, "! avdec_alac ! ");
if (alac) g_string_append(launch, "avdec_alac ! ");
break;
case 3: /*PCM*/
break;
@@ -207,15 +223,49 @@ void audio_renderer_stop() {
}
}
void audio_renderer_start(unsigned char *ct) {
unsigned char compression_type = 0, id;
static void get_renderer_type(unsigned char *ct, unsigned char* compression_type, int * id) {
render_audio = FALSE;
*compression_type = 0;
*id = -1;
for (int i = 0; i < NFORMATS; i++) {
if(renderer_type[i]->ct == *ct) {
compression_type = *ct;
id = i;
if (renderer_type[i]->ct == *ct) {
*compression_type = *ct;
*id = i;
break;
}
}
switch (*id) {
case 2:
case 0:
if (aac) {
render_audio = TRUE;
} else {
logger_log(logger, LOGGER_INFO, "*** GStreamer libav plugin feature avdec_aac is missing, cannot decode AAC audio");
}
break;
case 1:
if (alac) {
render_audio = TRUE;
} else {
logger_log(logger, LOGGER_INFO, "*** GStreamer libav plugin feature avdec_alac is missing, cannot decode ALAC audio");
}
break;
case 3:
render_audio = TRUE;
break;
default:
break;
}
}
void audio_renderer_start(unsigned char *ct) {
unsigned char compression_type = 0;
int id = 0;
get_renderer_type(ct, &compression_type, &id);
if (compression_type && renderer) {
if(compression_type != renderer->ct) {
gst_app_src_end_of_stream(GST_APP_SRC(renderer->appsrc));
@@ -238,6 +288,9 @@ void audio_renderer_start(unsigned char *ct) {
void audio_renderer_render_buffer(unsigned char* data, int *data_len, unsigned short *seqnum, uint64_t *ntp_time) {
GstBuffer *buffer;
bool valid;
if (!render_audio) return; /* do nothing unless render_audio == TRUE */
GstClockTime pts = (GstClockTime) *ntp_time ; /* now in nsecs */
//GstClockTimeDiff latency = GST_CLOCK_DIFF(gst_element_get_current_clock_time (renderer->appsrc), pts);
if (pts >= gst_audio_pipeline_base_time) {