static int query_formats(AVFilterContext *ctx)
{
AResampleContext *aresample = ctx->priv;
int out_rate = av_get_int(aresample->swr, "osr", NULL);
uint64_t out_layout = av_get_int(aresample->swr, "ocl", NULL);
enum AVSampleFormat out_format = av_get_int(aresample->swr, "osf", NULL);
AVFilterLink *inlink = ctx->inputs[0];
AVFilterLink *outlink = ctx->outputs[0];
AVFilterFormats *in_formats = ff_all_formats(AVMEDIA_TYPE_AUDIO);
AVFilterFormats *out_formats;
AVFilterFormats *in_samplerates = ff_all_samplerates();
AVFilterFormats *out_samplerates;
AVFilterChannelLayouts *in_layouts = ff_all_channel_layouts();
AVFilterChannelLayouts *out_layouts;
ff_formats_ref (in_formats, &inlink->out_formats);
ff_formats_ref (in_samplerates, &inlink->out_samplerates);
ff_channel_layouts_ref(in_layouts, &inlink->out_channel_layouts);
if(out_rate > 0) {
out_samplerates = ff_make_format_list((int[]) {
out_rate, -1
});
const AVOption *av_set_string(void *obj, const char *name, const char *val){
const AVOption *o= av_find_opt(obj, name, NULL, 0, 0);
if(o && o->offset==0 && o->type == FF_OPT_TYPE_CONST && o->unit){
return set_all_opt(obj, o->unit, o->default_val);
}
if(!o || !val || o->offset<=0)
return NULL;
if(o->type != FF_OPT_TYPE_STRING){
for(;;){
int i;
char buf[256];
int cmd=0;
double d;
char *error = NULL;
if(*val == '+' || *val == '-')
cmd= *(val++);
for(i=0; i<sizeof(buf)-1 && val[i] && val[i]!='+' && val[i]!='-'; i++)
buf[i]= val[i];
buf[i]=0;
val+= i;
d = ff_eval2(buf, const_values, const_names, NULL, NULL, NULL, NULL, NULL, &error);
if(isnan(d)) {
const AVOption *o_named= av_find_opt(obj, buf, o->unit, 0, 0);
if(o_named && o_named->type == FF_OPT_TYPE_CONST)
d= o_named->default_val;
else if(!strcmp(buf, "default")) d= o->default_val;
else if(!strcmp(buf, "max" )) d= o->max;
else if(!strcmp(buf, "min" )) d= o->min;
else if(!strcmp(buf, "none" )) d= 0;
else if(!strcmp(buf, "all" )) d= ~0;
else {
if (!error)
av_log(NULL, AV_LOG_ERROR, "Unable to parse option value \"%s\": %s\n", val, error);
return NULL;
}
}
if(o->type == FF_OPT_TYPE_FLAGS){
if (cmd=='+') d= av_get_int(obj, name, NULL) | (int64_t)d;
else if(cmd=='-') d= av_get_int(obj, name, NULL) &~(int64_t)d;
}else if(cmd=='-')
d= -d;
av_set_number(obj, name, d, 1, 1);
if(!*val)
return o;
}
return NULL;
}
memcpy(((uint8_t*)obj) + o->offset, val, sizeof(val));
return o;
}
//FIXME use eval.c maybe?
AVOption *av_set_string(void *obj, const char *name, const char *val){
AVOption *o= find_opt(obj, name, NULL);
if(o && o->offset==0 && o->type == FF_OPT_TYPE_CONST && o->unit){
return set_all_opt(obj, o->unit, o->default_val);
}
if(!o || !val || o->offset<=0)
return NULL;
if(o->type != FF_OPT_TYPE_STRING){
for(;;){
int i;
char buf[256], *tail;
int cmd=0;
double d;
if(*val == '+' || *val == '-')
cmd= *(val++);
for(i=0; i<sizeof(buf)-1 && val[i] && val[i]!='+' && val[i]!='-'; i++)
buf[i]= val[i];
buf[i]=0;
val+= i;
d= av_parse_num(buf, &tail);
if(tail <= buf){
AVOption *o_named= find_opt(obj, buf, o->unit);
if(o_named && o_named->type == FF_OPT_TYPE_CONST)
d= o_named->default_val;
else if(!strcmp(buf, "default")) d= o->default_val;
else if(!strcmp(buf, "max" )) d= o->max;
else if(!strcmp(buf, "min" )) d= o->min;
else return NULL;
}
if(o->type == FF_OPT_TYPE_FLAGS){
if (cmd=='+') d= av_get_int(obj, name, NULL) | (int64_t)d;
else if(cmd=='-') d= av_get_int(obj, name, NULL) &~(int64_t)d;
}else if(cmd=='-')
d= -d;
av_set_number(obj, name, d, 1, 1);
if(!*val)
return o;
}
return NULL;
}
memcpy(((uint8_t*)obj) + o->offset, val, sizeof(val));
return o;
}
int ff_rtp_get_payload_type(AVFormatContext *fmt, AVCodecContext *codec)
{
int i;
AVOutputFormat *ofmt = fmt ? fmt->oformat : NULL;
/* Was the payload type already specified for the RTP muxer? */
if (ofmt && ofmt->priv_class) {
int payload_type = av_get_int(fmt->priv_data, "payload_type", NULL);
if (payload_type >= 0)
return payload_type;
}
/* static payload type */
for (i = 0; AVRtpPayloadTypes[i].pt >= 0; ++i)
if (AVRtpPayloadTypes[i].codec_id == codec->codec_id) {
if (codec->codec_id == CODEC_ID_H263)
continue;
if (codec->codec_id == CODEC_ID_PCM_S16BE)
if (codec->channels != AVRtpPayloadTypes[i].audio_channels)
continue;
return AVRtpPayloadTypes[i].pt;
}
/* dynamic payload type */
return RTP_PT_PRIVATE + (codec->codec_type == AVMEDIA_TYPE_AUDIO);
}
AVFormatContext *ff_rtp_chain_mux_open(AVFormatContext *s, AVStream *st,
URLContext *handle, int packet_size)
{
AVFormatContext *rtpctx;
int ret;
AVOutputFormat *rtp_format = av_guess_format("rtp", NULL, NULL);
if (!rtp_format)
return NULL;
/* Allocate an AVFormatContext for each output stream */
rtpctx = avformat_alloc_context();
if (!rtpctx)
return NULL;
rtpctx->oformat = rtp_format;
if (!av_new_stream(rtpctx, 0)) {
av_free(rtpctx);
return NULL;
}
/* Copy the max delay setting; the rtp muxer reads this. */
rtpctx->max_delay = s->max_delay;
/* Copy other stream parameters. */
rtpctx->streams[0]->sample_aspect_ratio = st->sample_aspect_ratio;
rtpctx->flags |= s->flags & AVFMT_FLAG_MP4A_LATM;
av_set_parameters(rtpctx, NULL);
/* Copy the rtpflags values straight through */
if (s->oformat->priv_class &&
av_find_opt(s->priv_data, "rtpflags", NULL, 0, 0))
av_set_int(rtpctx->priv_data, "rtpflags",
av_get_int(s->priv_data, "rtpflags", NULL));
/* Set the synchronized start time. */
rtpctx->start_time_realtime = s->start_time_realtime;
avcodec_copy_context(rtpctx->streams[0]->codec, st->codec);
if (handle) {
ffio_fdopen(&rtpctx->pb, handle);
} else
ffio_open_dyn_packet_buf(&rtpctx->pb, packet_size);
ret = avformat_write_header(rtpctx, NULL);
if (ret) {
if (handle) {
avio_close(rtpctx->pb);
} else {
uint8_t *ptr;
avio_close_dyn_buf(rtpctx->pb, &ptr);
av_free(ptr);
}
avformat_free_context(rtpctx);
return NULL;
}
return rtpctx;
}
static AVOption *set_all_opt(void *v, const char *unit, double d){
AVClass *c= *(AVClass**)v; //FIXME silly way of storing AVClass
AVOption *o= c->option;
AVOption *ret=NULL;
for(;o && o->name; o++){
if(o->type != FF_OPT_TYPE_CONST && o->unit && !strcmp(o->unit, unit)){
double tmp= d;
if(o->type == FF_OPT_TYPE_FLAGS)
tmp= av_get_int(v, o->name, NULL) | (int64_t)d;
av_set_number(v, o->name, tmp, 1, 1);
ret= o;
}
}
return ret;
}
int64_t
Property :: getPropertyAsLong(void *aContext, const char* aName)
{
int64_t retval = 0;
try
{
if (!aContext)
throw std::runtime_error("no context passed in");
if (!aName || !*aName)
throw std::runtime_error("empty property name passed to setProperty");
retval = av_get_int(aContext, aName, 0);
}
catch (std::exception &e)
{
VS_LOG_DEBUG("Error: %s", e.what());
retval = 0;
}
return retval;
}
const AVOption *av_set_string2(void *obj, const char *name, const char *val, int alloc){
const AVOption *o= av_find_opt(obj, name, NULL, 0, 0);
if(o && o->offset==0 && o->type == FF_OPT_TYPE_CONST && o->unit){
return set_all_opt(obj, o->unit, o->default_val);
}
if(!o || !val || o->offset<=0)
return NULL;
if(o->type == FF_OPT_TYPE_BINARY){
uint8_t **dst = (uint8_t **)(((uint8_t*)obj) + o->offset);
int *lendst = (int *)(dst + 1);
uint8_t *bin, *ptr;
int len = strlen(val);
av_freep(dst);
*lendst = 0;
if (len & 1) return NULL;
len /= 2;
ptr = bin = av_malloc(len);
while (*val) {
int a = hexchar2int(*val++);
int b = hexchar2int(*val++);
if (a < 0 || b < 0) {
av_free(bin);
return NULL;
}
*ptr++ = (a << 4) | b;
}
*dst = bin;
*lendst = len;
return o;
}
if(o->type != FF_OPT_TYPE_STRING){
int notfirst=0;
for(;;){
int i;
char buf[256];
int cmd=0;
double d;
const char *error = NULL;
if(*val == '+' || *val == '-')
cmd= *(val++);
for(i=0; i<sizeof(buf)-1 && val[i] && val[i]!='+' && val[i]!='-'; i++)
buf[i]= val[i];
buf[i]=0;
d = ff_eval2(buf, (double *)const_values, (const char **)const_names, NULL, NULL, NULL, NULL, NULL, &error);
if(isnan(d)) {
const AVOption *o_named= av_find_opt(obj, buf, o->unit, 0, 0);
if(o_named && o_named->type == FF_OPT_TYPE_CONST)
d= o_named->default_val;
else if(!strcmp(buf, "default")) d= o->default_val;
else if(!strcmp(buf, "max" )) d= o->max;
else if(!strcmp(buf, "min" )) d= o->min;
else if(!strcmp(buf, "none" )) d= 0;
else if(!strcmp(buf, "all" )) d= ~0;
else {
if (error)
av_log(NULL, AV_LOG_ERROR, "Unable to parse option value \"%s\": %s\n", val, error);
return NULL;
}
}
if(o->type == FF_OPT_TYPE_FLAGS){
if (cmd=='+') d= av_get_int(obj, name, NULL) | (int64_t)d;
else if(cmd=='-') d= av_get_int(obj, name, NULL) &~(int64_t)d;
}else{
if (cmd=='+') d= notfirst*av_get_double(obj, name, NULL) + d;
else if(cmd=='-') d= notfirst*av_get_double(obj, name, NULL) - d;
}
if (!av_set_number(obj, name, d, 1, 1))
return NULL;
val+= i;
if(!*val)
return o;
notfirst=1;
}
return NULL;
}
if(alloc){
av_free(*(void**)(((uint8_t*)obj) + o->offset));
val= av_strdup(val);
}
memcpy(((uint8_t*)obj) + o->offset, &val, sizeof(val));
return o;
}
