#include "libavutil/ffversion.h"
const char av_device_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
-#define E AV_OPT_FLAG_ENCODING_PARAM
-#define D AV_OPT_FLAG_DECODING_PARAM
-#define A AV_OPT_FLAG_AUDIO_PARAM
-#define V AV_OPT_FLAG_VIDEO_PARAM
-#define OFFSET(x) offsetof(AVDeviceCapabilitiesQuery, x)
-
+#if FF_API_DEVICE_CAPABILITIES
const AVOption av_device_capabilities[] = {
- { "codec", "codec", OFFSET(codec), AV_OPT_TYPE_INT,
- {.i64 = AV_CODEC_ID_NONE}, AV_CODEC_ID_NONE, INT_MAX, E|D|A|V },
- { "sample_format", "sample format", OFFSET(sample_format), AV_OPT_TYPE_SAMPLE_FMT,
- {.i64 = AV_SAMPLE_FMT_NONE}, AV_SAMPLE_FMT_NONE, INT_MAX, E|D|A },
- { "sample_rate", "sample rate", OFFSET(sample_rate), AV_OPT_TYPE_INT,
- {.i64 = -1}, -1, INT_MAX, E|D|A },
- { "channels", "channels", OFFSET(channels), AV_OPT_TYPE_INT,
- {.i64 = -1}, -1, INT_MAX, E|D|A },
- { "channel_layout", "channel layout", OFFSET(channel_layout), AV_OPT_TYPE_CHANNEL_LAYOUT,
- {.i64 = -1}, -1, INT_MAX, E|D|A },
- { "pixel_format", "pixel format", OFFSET(pixel_format), AV_OPT_TYPE_PIXEL_FMT,
- {.i64 = AV_PIX_FMT_NONE}, AV_PIX_FMT_NONE, INT_MAX, E|D|V },
- { "window_size", "window size", OFFSET(window_width), AV_OPT_TYPE_IMAGE_SIZE,
- {.str = NULL}, -1, INT_MAX, E|D|V },
- { "frame_size", "frame size", OFFSET(frame_width), AV_OPT_TYPE_IMAGE_SIZE,
- {.str = NULL}, -1, INT_MAX, E|D|V },
- { "fps", "fps", OFFSET(fps), AV_OPT_TYPE_RATIONAL,
- {.dbl = -1}, -1, INT_MAX, E|D|V },
{ NULL }
};
-
-#undef E
-#undef D
-#undef A
-#undef V
-#undef OFFSET
+#endif
unsigned avdevice_version(void)
{
const char * avdevice_license(void)
{
#define LICENSE_PREFIX "libavdevice license: "
- return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
-}
-
-static void *device_next(void *prev, int output,
- AVClassCategory c1, AVClassCategory c2)
-{
- const AVClass *pc;
- AVClassCategory category = AV_CLASS_CATEGORY_NA;
- do {
- if (output) {
- if (!(prev = av_oformat_next(prev)))
- break;
- pc = ((AVOutputFormat *)prev)->priv_class;
- } else {
- if (!(prev = av_iformat_next(prev)))
- break;
- pc = ((AVInputFormat *)prev)->priv_class;
- }
- if (!pc)
- continue;
- category = pc->category;
- } while (category != c1 && category != c2);
- return prev;
-}
-
-AVInputFormat *av_input_audio_device_next(AVInputFormat *d)
-{
- return device_next(d, 0, AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT,
- AV_CLASS_CATEGORY_DEVICE_INPUT);
-}
-
-AVInputFormat *av_input_video_device_next(AVInputFormat *d)
-{
- return device_next(d, 0, AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT,
- AV_CLASS_CATEGORY_DEVICE_INPUT);
-}
-
-AVOutputFormat *av_output_audio_device_next(AVOutputFormat *d)
-{
- return device_next(d, 1, AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT,
- AV_CLASS_CATEGORY_DEVICE_OUTPUT);
-}
-
-AVOutputFormat *av_output_video_device_next(AVOutputFormat *d)
-{
- return device_next(d, 1, AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT,
- AV_CLASS_CATEGORY_DEVICE_OUTPUT);
+ return &LICENSE_PREFIX FFMPEG_LICENSE[sizeof(LICENSE_PREFIX) - 1];
}
int avdevice_app_to_dev_control_message(struct AVFormatContext *s, enum AVAppToDevMessageType type,
return s->control_message_cb(s, type, data, data_size);
}
+#if FF_API_DEVICE_CAPABILITIES
int avdevice_capabilities_create(AVDeviceCapabilitiesQuery **caps, AVFormatContext *s,
AVDictionary **device_options)
{
- int ret;
- av_assert0(s && caps);
- av_assert0(s->iformat || s->oformat);
- if ((s->oformat && !s->oformat->create_device_capabilities) ||
- (s->iformat && !s->iformat->create_device_capabilities))
- return AVERROR(ENOSYS);
- *caps = av_mallocz(sizeof(**caps));
- if (!(*caps))
- return AVERROR(ENOMEM);
- (*caps)->device_context = s;
- if (((ret = av_opt_set_dict(s->priv_data, device_options)) < 0))
- goto fail;
- if (s->iformat) {
- if ((ret = s->iformat->create_device_capabilities(s, *caps)) < 0)
- goto fail;
- } else {
- if ((ret = s->oformat->create_device_capabilities(s, *caps)) < 0)
- goto fail;
- }
- av_opt_set_defaults(*caps);
- return 0;
- fail:
- av_freep(caps);
- return ret;
+ return AVERROR(ENOSYS);
}
void avdevice_capabilities_free(AVDeviceCapabilitiesQuery **caps, AVFormatContext *s)
{
- if (!s || !caps || !(*caps))
- return;
- av_assert0(s->iformat || s->oformat);
- if (s->iformat) {
- if (s->iformat->free_device_capabilities)
- s->iformat->free_device_capabilities(s, *caps);
- } else {
- if (s->oformat->free_device_capabilities)
- s->oformat->free_device_capabilities(s, *caps);
- }
- av_freep(caps);
+ return;
}
+#endif
int avdevice_list_devices(AVFormatContext *s, AVDeviceInfoList **device_list)
{
return ret;
}
-int avdevice_list_input_sources(AVInputFormat *device, const char *device_name,
+int avdevice_list_input_sources(const AVInputFormat *device, const char *device_name,
AVDictionary *device_options, AVDeviceInfoList **device_list)
{
AVFormatContext *s = NULL;
return list_devices_for_context(s, device_options, device_list);
}
-int avdevice_list_output_sinks(AVOutputFormat *device, const char *device_name,
+int avdevice_list_output_sinks(const AVOutputFormat *device, const char *device_name,
AVDictionary *device_options, AVDeviceInfoList **device_list)
{
AVFormatContext *s = NULL;