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Code Issues Releases Activity

jack: add 'channels' private option.

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Get rid of AVFormatParameters usage.
This commit is contained in:
Anton Khirnov
2011-07-17 08:08:57 +02:00
parent 0e86965514
commit a7c93dae55
1 changed files with 18 additions and 6 deletions
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24
libavdevice/jack_audio.c
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@@ -26,6 +26,7 @@
#include "libavutil/log.h" #include "libavutil/log.h"
#include "libavutil/fifo.h" #include "libavutil/fifo.h"
#include "libavutil/opt.h"
#include "libavcodec/avcodec.h" #include "libavcodec/avcodec.h"
#include "libavformat/avformat.h" #include "libavformat/avformat.h"
#include "libavformat/timefilter.h" #include "libavformat/timefilter.h"
@@ -36,6 +37,7 @@
#define FIFO_PACKETS_NUM 16 #define FIFO_PACKETS_NUM 16
typedef struct { typedef struct {
AVClass *class;
jack_client_t * client; jack_client_t * client;
int activated; int activated;
sem_t packet_count; sem_t packet_count;
@@ -136,7 +138,7 @@ static int supply_new_packets(JackData *self, AVFormatContext *context)
return 0; return 0;
} }
static int start_jack(AVFormatContext *context, AVFormatParameters *params) static int start_jack(AVFormatContext *context)
{ {
JackData *self = context->priv_data; JackData *self = context->priv_data;
jack_status_t status; jack_status_t status;
@@ -153,7 +155,6 @@ static int start_jack(AVFormatContext *context, AVFormatParameters *params)
sem_init(&self->packet_count, 0, 0); sem_init(&self->packet_count, 0, 0);
self->sample_rate = jack_get_sample_rate(self->client); self->sample_rate = jack_get_sample_rate(self->client);
self->nports = params->channels;
self->ports = av_malloc(self->nports * sizeof(*self->ports)); self->ports = av_malloc(self->nports * sizeof(*self->ports));
self->buffer_size = jack_get_buffer_size(self->client); self->buffer_size = jack_get_buffer_size(self->client);
@@ -225,10 +226,7 @@ static int audio_read_header(AVFormatContext *context, AVFormatParameters *param
AVStream *stream; AVStream *stream;
int test; int test;
if (params->sample_rate <= 0 || params->channels <= 0) if ((test = start_jack(context)))
return -1;
if ((test = start_jack(context, params)))
return test; return test;
stream = av_new_stream(context, 0); stream = av_new_stream(context, 0);
@@ -314,6 +312,19 @@ static int audio_read_close(AVFormatContext *context)
return 0; return 0;
} }
#define OFFSET(x) offsetof(JackData, x)
static const AVOption options[] = {
{ "channels", "Number of audio channels.", OFFSET(nports), FF_OPT_TYPE_INT, { 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 = { AVInputFormat ff_jack_demuxer = {
"jack", "jack",
NULL_IF_CONFIG_SMALL("JACK Audio Connection Kit"), NULL_IF_CONFIG_SMALL("JACK Audio Connection Kit"),
@@ -323,4 +334,5 @@ AVInputFormat ff_jack_demuxer = {
audio_read_packet, audio_read_packet,
audio_read_close, audio_read_close,
.flags = AVFMT_NOFILE, .flags = AVFMT_NOFILE,
.priv_class = &jack_indev_class,
}; };