X-Git-Url: https://git.distorted.org.uk/~mdw/disorder/blobdiff_plain/f5ebedb0f0079c29c1d8d16bdad2b65868be6cfc..01eab3cad51f9286701d8148e9875bd7467a6b82:/server/gstdecode.c diff --git a/server/gstdecode.c b/server/gstdecode.c index 1628108..a746a24 100644 --- a/server/gstdecode.c +++ b/server/gstdecode.c @@ -51,6 +51,8 @@ static const char *file; static GstAppSink *appsink; static GstElement *pipeline; static GMainLoop *loop; +static unsigned flags = 0; +#define f_stream 1u #define MODES(_) _("off", OFF) _("track", TRACK) _("album", ALBUM) enum { @@ -76,6 +78,7 @@ static const char *const shapes[] = { static int dither = -1; static int mode = ALBUM; +static int quality = -1; static int shape = -1; static gdouble fallback = 0.0; @@ -173,14 +176,14 @@ static void prepare_pipeline(void) { GstElement *source = gst_element_factory_make("filesrc", "file"); GstElement *decode = gst_element_factory_make("decodebin", "decode"); + GstElement *resample = gst_element_factory_make("audioresample", + "resample"); GstElement *convert = gst_element_factory_make("audioconvert", "convert"); GstElement *sink = gst_element_factory_make("appsink", "sink"); GstElement *tail = sink; GstElement *gain; - GstCaps *caps = gst_caps_new_empty(); - GstCaps *c; - static const int widths[] = { 8, 16 }; - size_t i; + GstCaps *caps; + const struct stream_header *fmt = &config->sample_format; /* Set up the global variables. */ pipeline = gst_pipeline_new("pipe"); @@ -190,34 +193,38 @@ static void prepare_pipeline(void) g_object_set(source, "location", file, END); g_object_set(sink, "sync", FALSE, END); - /* Configure the converter. Leave things as their defaults if the user - * hasn't made an explicit request. + /* Configure the resampler and converter. Leave things as their defaults + * if the user hasn't made an explicit request. */ + if(quality >= 0) g_object_set(resample, "quality", quality, END); if(dither >= 0) g_object_set(convert, "dithering", dither, END); if(shape >= 0) g_object_set(convert, "noise-shaping", shape, END); - /* Set up the sink's capabilities. */ - for(i = 0; i < N(widths); i++) { - c = gst_caps_new_simple("audio/x-raw-int", - "width", G_TYPE_INT, widths[i], - "depth", G_TYPE_INT, widths[i], - "channels", GST_TYPE_INT_RANGE, 1, 2, - "signed", G_TYPE_BOOLEAN, TRUE, - "rate", GST_TYPE_INT_RANGE, 100, 1000000, - END); - gst_caps_append(caps, c); - } + /* Set up the sink's capabilities from the configuration. */ + caps = gst_caps_new_simple("audio/x-raw-int", + "width", G_TYPE_INT, fmt->bits, + "depth", G_TYPE_INT, fmt->bits, + "channels", G_TYPE_INT, fmt->channels, + "signed", G_TYPE_BOOLEAN, TRUE, + "rate", G_TYPE_INT, fmt->rate, + "endianness", G_TYPE_INT, + fmt->endian == ENDIAN_BIG ? + G_BIG_ENDIAN : G_LITTLE_ENDIAN, + END); gst_app_sink_set_caps(appsink, caps); /* Add the various elements into the pipeline. We'll stitch them together * in pieces, because the pipeline is somewhat dynamic. */ - gst_bin_add_many(GST_BIN(pipeline), source, decode, convert, sink, END); + gst_bin_add_many(GST_BIN(pipeline), + source, decode, + resample, convert, sink, END); - /* Link an audio conversion stage onto the front. The rest of DisOrder + /* Link audio conversion stages onto the front. The rest of DisOrder * doesn't handle much of the full panoply of exciting audio formats. */ link_elements(convert, tail); tail = convert; + link_elements(resample, tail); tail = resample; /* If we're meant to do ReplayGain then insert it into the pipeline before * the converter. @@ -333,7 +340,7 @@ static GstFlowReturn cb_buffer(GstAppSink *sink, gpointer UNUSED u) /* Write out a frame of audio data. */ hdr.nbytes = GST_BUFFER_SIZE(buf); - if(fwrite(&hdr, sizeof(hdr), 1, fp) != 1 || + if((!(flags&f_stream) && fwrite(&hdr, sizeof(hdr), 1, fp) != 1) || fwrite(GST_BUFFER_DATA(buf), 1, hdr.nbytes, fp) != hdr.nbytes) disorder_fatal(errno, "output"); @@ -359,6 +366,8 @@ static void decode(void) g_signal_connect(bus, "message", G_CALLBACK(bus_message), 0); /* Tell the sink to call us when interesting things happen. */ + gst_app_sink_set_max_buffers(appsink, 16); + gst_app_sink_set_drop(appsink, FALSE); gst_app_sink_set_callbacks(appsink, &callbacks, 0, 0); /* Set the ball rolling. */ @@ -393,13 +402,28 @@ static double getfloat(const char *what, const char *s) return d; } +static int getint(const char *what, const char *s, int min, int max) +{ + long i; + char *q; + + errno = 0; + i = strtol(s, &q, 10); + if(*q || errno || min > i || i > max) + disorder_fatal(0, "invalid %s `%s'", what, s); + return (int)i; +} + static const struct option options[] = { { "help", no_argument, 0, 'h' }, { "version", no_argument, 0, 'V' }, + { "config", required_argument, 0, 'c' }, { "dither", required_argument, 0, 'd' }, { "fallback-gain", required_argument, 0, 'f' }, { "noise-shape", required_argument, 0, 'n' }, + { "quality", required_argument, 0, 'q' }, { "replay-gain", required_argument, 0, 'r' }, + { "stream", no_argument, 0, 's' }, { 0, 0, 0, 0 } }; @@ -410,12 +434,15 @@ static void help(void) "Options:\n" " --help, -h Display usage message\n" " --version, -V Display version number\n" + " --config PATH, -c PATH Set configuration file\n" " --dither TYPE, -d TYPE TYPE is `none', `rpdf', `tpdf', or " "`tpdf-hf'\n" " --fallback-gain DB, -f DB For tracks without ReplayGain data\n" " --noise-shape TYPE, -n TYPE TYPE is `none', `error-feedback',\n" " `simple', `medium' or `high'\n" + " --quality QUAL, -q QUAL Resampling quality: 0 poor, 10 good\n" " --replay-gain MODE, -r MODE MODE is `off', `track' or `album'\n" + " --stream, -s Output raw samples, without framing\n" "\n" "Alternative audio decoder for DisOrder. Only intended to be\n" "used by speaker process, not for normal users.\n"); @@ -434,20 +461,24 @@ int main(int argc, char *argv[]) if(!setlocale(LC_CTYPE, "")) disorder_fatal(errno, "calling setlocale"); /* Parse command line. */ - while((n = getopt_long(argc, argv, "hVd:f:n:r:", options, 0)) >= 0) { + while((n = getopt_long(argc, argv, "hVc:d:f:n:q:r:s", options, 0)) >= 0) { switch(n) { case 'h': help(); case 'V': version("disorder-gstdecode"); + case 'c': configfile = optarg; break; case 'd': dither = getenum("dither type", optarg, dithers); break; case 'f': fallback = getfloat("fallback gain", optarg); break; case 'n': shape = getenum("noise-shaping type", optarg, shapes); break; + case 'q': quality = getint("resample quality", optarg, 0, 10); break; case 'r': mode = getenum("ReplayGain mode", optarg, modes); break; + case 's': flags |= f_stream; break; default: disorder_fatal(0, "invalid option"); } } if(optind >= argc) disorder_fatal(0, "missing filename"); file = argv[optind++]; if(optind < argc) disorder_fatal(0, "excess arguments"); + if(config_read(1, 0)) disorder_fatal(0, "cannot read configuration"); /* Set up the GStreamer machinery. */ gst_init(0, 0);