X-Git-Url: http://git.ffmpeg.org/gitweb/ffmpeg.git/blobdiff_plain/2912e87a6c9264d556734e2bf94a99c64cf9b102..e90a6846c2c006fbebd00e1f2789f4a86fafacef:/libavdevice/jack_audio.c

diff --git a/libavdevice/jack_audio.c b/libavdevice/jack_audio.c
index 4af89bd..280f24d 100644
--- a/libavdevice/jack_audio.c
+++ b/libavdevice/jack_audio.c
@@ -26,9 +26,12 @@
 
 #include "libavutil/log.h"
 #include "libavutil/fifo.h"
+#include "libavutil/opt.h"
+#include "libavutil/time.h"
 #include "libavcodec/avcodec.h"
 #include "libavformat/avformat.h"
-#include "libavformat/timefilter.h"
+#include "libavformat/internal.h"
+#include "timefilter.h"
 
 /**
  * Size of the internal FIFO buffers as a number of audio packets
@@ -36,6 +39,7 @@
 #define FIFO_PACKETS_NUM 16
 
 typedef struct {
+    AVClass        *class;
     jack_client_t * client;
     int             activated;
     sem_t           packet_count;
@@ -88,7 +92,13 @@ static int process_callback(jack_nframes_t nframes, void *arg)
 
     /* Copy and interleave audio data from the JACK buffer into the packet */
     for (i = 0; i < self->nports; i++) {
+    #if HAVE_JACK_PORT_GET_LATENCY_RANGE
+        jack_latency_range_t range;
+        jack_port_get_latency_range(self->ports[i], JackCaptureLatency, &range);
+        latency += range.max;
+    #else
         latency += jack_port_get_total_latency(self->client, self->ports[i]);
+    #endif
         buffer = jack_port_get_buffer(self->ports[i], self->buffer_size);
         for (j = 0; j < self->buffer_size; j++)
             pkt_data[j * self->nports + i] = buffer[j];
@@ -136,7 +146,7 @@ static int supply_new_packets(JackData *self, AVFormatContext *context)
     return 0;
 }
 
-static int start_jack(AVFormatContext *context, AVFormatParameters *params)
+static int start_jack(AVFormatContext *context)
 {
     JackData *self = context->priv_data;
     jack_status_t status;
@@ -153,7 +163,6 @@ static int start_jack(AVFormatContext *context, AVFormatParameters *params)
     sem_init(&self->packet_count, 0, 0);
 
     self->sample_rate = jack_get_sample_rate(self->client);
-    self->nports      = params->channels;
     self->ports       = av_malloc(self->nports * sizeof(*self->ports));
     self->buffer_size = jack_get_buffer_size(self->client);
 
@@ -219,19 +228,16 @@ static void stop_jack(JackData *self)
     ff_timefilter_destroy(self->timefilter);
 }
 
-static int audio_read_header(AVFormatContext *context, AVFormatParameters *params)
+static int audio_read_header(AVFormatContext *context)
 {
     JackData *self = context->priv_data;
     AVStream *stream;
     int test;
 
-    if (params->sample_rate <= 0 || params->channels <= 0)
-        return -1;
-
-    if ((test = start_jack(context, params)))
+    if ((test = start_jack(context)))
         return test;
 
-    stream = av_new_stream(context, 0);
+    stream = avformat_new_stream(context, NULL);
     if (!stream) {
         stop_jack(self);
         return AVERROR(ENOMEM);
@@ -239,14 +245,14 @@ static int audio_read_header(AVFormatContext *context, AVFormatParameters *param
 
     stream->codec->codec_type   = AVMEDIA_TYPE_AUDIO;
 #if HAVE_BIGENDIAN
-    stream->codec->codec_id     = CODEC_ID_PCM_F32BE;
+    stream->codec->codec_id     = AV_CODEC_ID_PCM_F32BE;
 #else
-    stream->codec->codec_id     = CODEC_ID_PCM_F32LE;
+    stream->codec->codec_id     = AV_CODEC_ID_PCM_F32LE;
 #endif
     stream->codec->sample_rate  = self->sample_rate;
     stream->codec->channels     = self->nports;
 
-    av_set_pts_info(stream, 64, 1, 1000000);  /* 64 bits pts in us */
+    avpriv_set_pts_info(stream, 64, 1, 1000000);  /* 64 bits pts in us */
     return 0;
 }
 
@@ -272,7 +278,7 @@ static int audio_read_packet(AVFormatContext *context, AVPacket *pkt)
         }
     }
 
-    /* Wait for a packet comming back from process_callback(), if one isn't available yet */
+    /* Wait for a packet coming back from process_callback(), if one isn't available yet */
     timeout.tv_sec = av_gettime() / 1000000 + 2;
     if (sem_timedwait(&self->packet_count, &timeout)) {
         if (errno == ETIMEDOUT) {
@@ -314,13 +320,26 @@ static int audio_read_close(AVFormatContext *context)
     return 0;
 }
 
+#define OFFSET(x) offsetof(JackData, x)
+static const AVOption options[] = {
+    { "channels", "Number of audio channels.", OFFSET(nports), AV_OPT_TYPE_INT, { .i64 = 2 }, 1, INT_MAX, AV_OPT_FLAG_DECODING_PARAM },
+    { NULL },
+};
+
+static const AVClass jack_indev_class = {
+    .class_name     = "JACK indev",
+    .item_name      = av_default_item_name,
+    .option         = options,
+    .version        = LIBAVUTIL_VERSION_INT,
+};
+
 AVInputFormat ff_jack_demuxer = {
-    "jack",
-    NULL_IF_CONFIG_SMALL("JACK Audio Connection Kit"),
-    sizeof(JackData),
-    NULL,
-    audio_read_header,
-    audio_read_packet,
-    audio_read_close,
-    .flags = AVFMT_NOFILE,
+    .name           = "jack",
+    .long_name      = NULL_IF_CONFIG_SMALL("JACK Audio Connection Kit"),
+    .priv_data_size = sizeof(JackData),
+    .read_header    = audio_read_header,
+    .read_packet    = audio_read_packet,
+    .read_close     = audio_read_close,
+    .flags          = AVFMT_NOFILE,
+    .priv_class     = &jack_indev_class,
 };