#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)
{
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)
{
enum AVDevToAppMessageType type,
void *data, size_t data_size);
+#if FF_API_DEVICE_CAPABILITIES
/**
* Following API allows user to probe device capabilities (supported codecs,
* pixel formats, sample formats, resolutions, channel counts, etc).
/**
* AVOption table used by devices to implement device capabilities API. Should not be used by a user.
*/
+attribute_deprecated
extern const AVOption av_device_capabilities[];
/**
*
* @return >= 0 on success, negative otherwise.
*/
+attribute_deprecated
int avdevice_capabilities_create(AVDeviceCapabilitiesQuery **caps, AVFormatContext *s,
AVDictionary **device_options);
* @param caps Device capabilities data to be freed.
* @param s Context of the device.
*/
+attribute_deprecated
void avdevice_capabilities_free(AVDeviceCapabilitiesQuery **caps, AVFormatContext *s);
+#endif
/**
* Structure describes basic parameters of the device.
* @see avdevice_list_devices() for more details.
*/
int (*get_device_list)(struct AVFormatContext *s, struct AVDeviceInfoList *device_list);
+#if LIBAVFORMAT_VERSION_MAJOR < 59
/**
* Initialize device capabilities submodule.
* @see avdevice_capabilities_create() for more details.
* @see avdevice_capabilities_free() for more details.
*/
int (*free_device_capabilities)(struct AVFormatContext *s, struct AVDeviceCapabilitiesQuery *caps);
+#endif
enum AVCodecID data_codec; /**< default data codec */
/**
* Initialize format. May allocate data here, and set any AVFormatContext or
*/
int (*get_device_list)(struct AVFormatContext *s, struct AVDeviceInfoList *device_list);
+#if LIBAVFORMAT_VERSION_MAJOR < 59
/**
* Initialize device capabilities submodule.
* @see avdevice_capabilities_create() for more details.
* @see avdevice_capabilities_free() for more details.
*/
int (*free_device_capabilities)(struct AVFormatContext *s, struct AVDeviceCapabilitiesQuery *caps);
+#endif
} AVInputFormat;
/**
* @}