void obs_register_encoder_s(const struct obs_encoder_info *info, size_t size)
{
if (find_encoder(info->id)) {
encoder_warn("Encoder id '%s' already exists! "
"Duplicate library?", info->id);
goto error;
}
#define CHECK_REQUIRED_VAL_(info, val, func) \
CHECK_REQUIRED_VAL(struct obs_encoder_info, info, val, func)
CHECK_REQUIRED_VAL_(info, get_name, obs_register_encoder);
CHECK_REQUIRED_VAL_(info, create, obs_register_encoder);
CHECK_REQUIRED_VAL_(info, destroy, obs_register_encoder);
CHECK_REQUIRED_VAL_(info, encode, obs_register_encoder);
if (info->type == OBS_ENCODER_AUDIO)
CHECK_REQUIRED_VAL_(info, get_frame_size, obs_register_encoder);
#undef CHECK_REQUIRED_VAL_
REGISTER_OBS_DEF(size, obs_encoder_info, obs->encoder_types, info);
return;
error:
HANDLE_ERROR(size, obs_encoder_info, info);
}
static struct obs_encoder *create_encoder(const char *id,
enum obs_encoder_type type, const char *name,
obs_data_t *settings, size_t mixer_idx, obs_data_t *hotkey_data)
{
struct obs_encoder *encoder;
struct obs_encoder_info *ei = find_encoder(id);
bool success;
if (!ei || ei->type != type)
return NULL;
encoder = bzalloc(sizeof(struct obs_encoder));
encoder->info = *ei;
encoder->mixer_idx = mixer_idx;
success = init_encoder(encoder, name, settings, hotkey_data);
if (!success) {
obs_encoder_destroy(encoder);
encoder = NULL;
}
encoder->control = bzalloc(sizeof(obs_weak_encoder_t));
encoder->control->encoder = encoder;
obs_context_data_insert(&encoder->context,
&obs->data.encoders_mutex,
&obs->data.first_encoder);
blog(LOG_INFO, "encoder '%s' (%s) created", name, id);
return encoder;
}
obs_properties_t *obs_get_encoder_properties(const char *id)
{
const struct obs_encoder_info *ei = find_encoder(id);
if (ei && ei->get_properties) {
obs_data_t *defaults = get_defaults(ei);
obs_properties_t *properties;
properties = ei->get_properties(NULL);
obs_properties_apply_settings(properties, defaults);
obs_data_release(defaults);
return properties;
}
return NULL;
}
int lqt_gavl_add_video_track_compressed(quicktime_t * file,
const gavl_video_format_t * format,
const gavl_compression_info_t * ci)
{
lqt_codec_info_t ** infos;
lqt_codec_info_t * info;
lqt_compression_info_t lci;
compression_info_gavl_2_lqt(ci, NULL, format, &lci);
infos = lqt_query_registry(0, 1, 1, 0);
info = find_encoder(infos, lci.id);
lqt_add_video_track_compressed(file, &lci, info);
lqt_destroy_codec_info(infos);
return 1;
}
void obs_register_encoder_s(const struct obs_encoder_info *info, size_t size)
{
if (find_encoder(info->id)) {
blog(LOG_WARNING, "Encoder id '%s' already exists! "
"Duplicate library?", info->id);
return;
}
CHECK_REQUIRED_VAL(info, get_name, obs_register_encoder);
CHECK_REQUIRED_VAL(info, create, obs_register_encoder);
CHECK_REQUIRED_VAL(info, destroy, obs_register_encoder);
CHECK_REQUIRED_VAL(info, encode, obs_register_encoder);
if (info->type == OBS_ENCODER_AUDIO)
CHECK_REQUIRED_VAL(info, get_frame_size, obs_register_encoder);
REGISTER_OBS_DEF(size, obs_encoder_info, obs->encoder_types, info);
}
static struct obs_encoder *create_encoder(const char *id,
enum obs_encoder_type type, const char *name,
obs_data_t *settings, size_t mixer_idx, obs_data_t *hotkey_data)
{
struct obs_encoder *encoder;
struct obs_encoder_info *ei = find_encoder(id);
bool success;
if (ei && ei->type != type)
return NULL;
encoder = bzalloc(sizeof(struct obs_encoder));
encoder->mixer_idx = mixer_idx;
if (!ei) {
blog(LOG_ERROR, "Encoder ID '%s' not found", id);
encoder->info.id = bstrdup(id);
encoder->info.type = type;
encoder->owns_info_id = true;
} else {
encoder->info = *ei;
}
success = init_encoder(encoder, name, settings, hotkey_data);
if (!success) {
blog(LOG_ERROR, "creating encoder '%s' (%s) failed", name, id);
obs_encoder_destroy(encoder);
return NULL;
}
encoder->control = bzalloc(sizeof(obs_weak_encoder_t));
encoder->control->encoder = encoder;
obs_context_data_insert(&encoder->context,
&obs->data.encoders_mutex,
&obs->data.first_encoder);
blog(LOG_INFO, "encoder '%s' (%s) created", name, id);
return encoder;
}
int lqt_gavl_writes_compressed_video(lqt_file_type_t type,
const gavl_video_format_t * format,
const gavl_compression_info_t * ci)
{
int ret = 0;
lqt_compression_info_t lci;
lqt_codec_info_t ** infos;
lqt_codec_info_t * info;
if(!compression_info_gavl_2_lqt(ci, NULL, format, &lci))
return 0;
infos = lqt_query_registry(0, 1, 1, 0);
info = find_encoder(infos, lci.id);
if(info)
ret = lqt_writes_compressed(type, &lci, info);
lqt_destroy_codec_info(infos);
return ret;
}
enum obs_encoder_type obs_get_encoder_type(const char *id)
{
struct obs_encoder_info *info = find_encoder(id);
return info ? info->type : OBS_ENCODER_AUDIO;
}
const char *obs_get_encoder_codec(const char *id)
{
struct obs_encoder_info *info = find_encoder(id);
return info ? info->codec : NULL;
}
const char *obs_encoder_get_display_name(const char *id)
{
struct obs_encoder_info *ei = find_encoder(id);
return ei ? ei->get_name() : NULL;
}
obs_data_t *obs_encoder_defaults(const char *id)
{
const struct obs_encoder_info *info = find_encoder(id);
return (info) ? get_defaults(info) : NULL;
}
int
nouveau_backlight_init(struct drm_connector *connector)
{
struct nouveau_drm *drm = nouveau_drm(connector->dev);
struct nouveau_backlight *bl;
struct nouveau_encoder *nv_encoder = NULL;
struct nvif_device *device = &drm->client.device;
char backlight_name[BL_NAME_SIZE];
struct backlight_properties props = {0};
const struct backlight_ops *ops;
int ret;
if (apple_gmux_present()) {
NV_INFO_ONCE(drm, "Apple GMUX detected: not registering Nouveau backlight interface\n");
return 0;
}
if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
else if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
nv_encoder = find_encoder(connector, DCB_OUTPUT_DP);
else
return 0;
if (!nv_encoder)
return 0;
switch (device->info.family) {
case NV_DEVICE_INFO_V0_CURIE:
ret = nv40_backlight_init(nv_encoder, &props, &ops);
break;
case NV_DEVICE_INFO_V0_TESLA:
case NV_DEVICE_INFO_V0_FERMI:
case NV_DEVICE_INFO_V0_KEPLER:
case NV_DEVICE_INFO_V0_MAXWELL:
ret = nv50_backlight_init(nv_encoder, &props, &ops);
break;
default:
return 0;
}
if (ret == -ENODEV)
return 0;
else if (ret)
return ret;
bl = kzalloc(sizeof(*bl), GFP_KERNEL);
if (!bl)
return -ENOMEM;
if (!nouveau_get_backlight_name(backlight_name, bl)) {
NV_ERROR(drm, "Failed to retrieve a unique name for the backlight interface\n");
goto fail_alloc;
}
bl->dev = backlight_device_register(backlight_name, connector->kdev,
nv_encoder, ops, &props);
if (IS_ERR(bl->dev)) {
if (bl->id >= 0)
ida_simple_remove(&bl_ida, bl->id);
ret = PTR_ERR(bl->dev);
goto fail_alloc;
}
nouveau_connector(connector)->backlight = bl;
bl->dev->props.brightness = bl->dev->ops->get_brightness(bl->dev);
backlight_update_status(bl->dev);
return 0;
fail_alloc:
kfree(bl);
return ret;
}
uint32_t obs_get_encoder_caps(const char *encoder_id)
{
struct obs_encoder_info *info = find_encoder(encoder_id);
return info ? info->caps : 0;
}
SCM make_ffmpeg_output(SCM scm_file_name,
SCM scm_format_name,
SCM scm_video_parameters,
SCM scm_have_video,
SCM scm_audio_parameters,
SCM scm_have_audio,
SCM scm_debug)
{
SCM retval;
struct ffmpeg_t *self;
scm_dynwind_begin(0);
const char *file_name = scm_to_locale_string(scm_file_name);
scm_dynwind_free(file_name);
self = (struct ffmpeg_t *)scm_gc_calloc(sizeof(struct ffmpeg_t), "ffmpeg");
self->video_stream_idx = -1;
self->audio_stream_idx = -1;
SCM_NEWSMOB(retval, ffmpeg_tag, self);
int err;
const char *format_name = NULL;
if (!scm_is_false(scm_format_name)) {
format_name = scm_to_locale_string(scm_symbol_to_string(scm_format_name));
scm_dynwind_free(format_name);
};
#ifdef HAVE_AVFORMAT_ALLOC_OUTPUT_CONTEXT2
err = avformat_alloc_output_context2(&self->fmt_ctx, NULL, format_name, file_name);
if (!self->fmt_ctx) {
ffmpeg_destroy(retval);
scm_misc_error("make-ffmpeg-output", "Error initializing output format for file '~a': ~a",
scm_list_2(scm_file_name, get_error_text(err)));
};
#else
AVOutputFormat *format;
if (format_name)
format = av_guess_format(format_name, NULL, NULL);
else
format = av_guess_format(NULL, file_name, NULL);
if (!format) {
ffmpeg_destroy(retval);
scm_misc_error("make-ffmpeg-output", "Unable to determine file format for file '~a'",
scm_list_1(scm_file_name));
};
self->fmt_ctx = avformat_alloc_context();
if (!self->fmt_ctx) {
ffmpeg_destroy(retval);
scm_misc_error("make-ffmpeg-output", "Error initializing output format for file '~a'",
scm_list_1(scm_file_name));
};
self->fmt_ctx->oformat = format;
strncpy(self->fmt_ctx->filename, file_name, sizeof(self->fmt_ctx->filename));
#endif
char have_video = scm_is_true(scm_have_video);
if (have_video) {
// Open codec and video stream
enum AVCodecID video_codec_id = self->fmt_ctx->oformat->video_codec;
AVCodec *video_encoder = find_encoder(retval, video_codec_id, "video");
AVStream *video_stream = open_output_stream(retval, video_encoder, &self->video_stream_idx, "video", scm_file_name);
// Get video parameters
SCM scm_shape = scm_car(scm_video_parameters);
SCM scm_frame_rate = scm_cadr(scm_video_parameters);
SCM scm_video_bit_rate = scm_caddr(scm_video_parameters);
SCM scm_aspect_ratio = scm_cadddr(scm_video_parameters);
// Configure the output video codec
self->video_codec_ctx =
configure_output_video_codec(video_stream, video_codec_id, scm_video_bit_rate, scm_shape, scm_frame_rate, scm_aspect_ratio);
// Some formats want stream headers to be separate.
if (self->fmt_ctx->oformat->flags & AVFMT_GLOBALHEADER)
self->video_codec_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
// Open output video codec
open_codec(retval, self->video_codec_ctx, video_encoder, "video", scm_file_name);
// Allocate frame
self->video_target_frame = allocate_output_video_frame(retval, self->video_codec_ctx);
};
char have_audio = scm_is_true(scm_have_audio);
if (have_audio) {
// Open audio codec and stream
enum AVCodecID audio_codec_id = self->fmt_ctx->oformat->audio_codec;
AVCodec *audio_encoder = find_encoder(retval, audio_codec_id, "audio");
AVStream *audio_stream = open_output_stream(retval, audio_encoder, &self->audio_stream_idx, "audio", scm_file_name);
// Get audio parameters
SCM scm_select_rate = scm_car(scm_audio_parameters);
SCM scm_channels = scm_cadr(scm_audio_parameters);
SCM scm_audio_bit_rate = scm_caddr(scm_audio_parameters);
SCM scm_select_format = scm_cadddr(scm_audio_parameters);
// Configure the output audio codec
self->audio_codec_ctx =
configure_output_audio_codec(retval, audio_stream, audio_codec_id,
scm_select_rate, scm_channels, scm_audio_bit_rate, scm_select_format);
// Some formats want stream headers to be separate.
if (self->fmt_ctx->oformat->flags & AVFMT_GLOBALHEADER)
self->audio_codec_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
// Open output audio codec
open_codec(retval, self->audio_codec_ctx, audio_encoder, "audio", scm_file_name);
// Allocate audio frame
self->audio_target_frame =
allocate_output_audio_frame(retval, self->audio_codec_ctx, self->audio_codec_ctx->sample_fmt);
self->audio_packed_frame =
allocate_output_audio_frame(retval, self->audio_codec_ctx, av_get_packed_sample_fmt(self->audio_codec_ctx->sample_fmt));
// Initialise audio buffer
ringbuffer_init(&self->audio_buffer, 1024);
};
if (scm_is_true(scm_debug)) av_dump_format(self->fmt_ctx, 0, file_name, 1);
// Open the output file if needed
if (!(self->fmt_ctx->oformat->flags & AVFMT_NOFILE)) {
int err = avio_open(&self->fmt_ctx->pb, file_name, AVIO_FLAG_WRITE);
if (err < 0) {
ffmpeg_destroy(retval);
scm_misc_error("make-ffmpeg-output", "Could not open '~a': ~a",
scm_list_2(scm_file_name, get_error_text(err)));
}
self->output_file = 1;
}
// Write video file header
err = avformat_write_header(self->fmt_ctx, NULL);
if (err < 0) {
ffmpeg_destroy(retval);
scm_misc_error("make-ffmpeg-output", "Error writing header of video '~a': ~a",
scm_list_2(scm_file_name, get_error_text(err)));
};
self->header_written = 1;
scm_dynwind_end();
return retval;
}
