using namespace std;
-HTTPD::HTTPD(const char *output_filename, int width, int height)
+HTTPD::HTTPD(int width, int height)
: width(width), height(height)
{
- AVFormatContext *avctx = avformat_alloc_context();
- avctx->oformat = av_guess_format(NULL, output_filename, NULL);
- strcpy(avctx->filename, output_filename);
- if (avio_open2(&avctx->pb, output_filename, AVIO_FLAG_WRITE, &avctx->interrupt_callback, NULL) < 0) {
- fprintf(stderr, "%s: avio_open2() failed\n", output_filename);
- exit(1);
- }
-
- file_mux.reset(new Mux(avctx, width, height));
}
void HTTPD::start(int port)
for (Stream *stream : streams) {
stream->add_packet(pkt, pts, dts);
}
- file_mux->add_packet(pkt, pts, dts);
+ if (file_mux) {
+ file_mux->add_packet(pkt, pts, dts);
+ }
+}
+
+void HTTPD::open_output_file(const string &filename)
+{
+ AVFormatContext *avctx = avformat_alloc_context();
+ avctx->oformat = av_guess_format(NULL, filename.c_str(), NULL);
+ assert(filename.size() < sizeof(avctx->filename) - 1);
+ strcpy(avctx->filename, filename.c_str());
+
+ string url = "file:" + filename;
+ int ret = avio_open2(&avctx->pb, url.c_str(), AVIO_FLAG_WRITE, &avctx->interrupt_callback, NULL);
+ if (ret < 0) {
+ char tmp[AV_ERROR_MAX_STRING_SIZE];
+ fprintf(stderr, "%s: avio_open2() failed: %s\n", filename.c_str(), av_make_error_string(tmp, sizeof(tmp), ret));
+ exit(1);
+ }
+
+ file_mux.reset(new Mux(avctx, width, height));
+}
+
+void HTTPD::close_output_file()
+{
+ file_mux.reset();
}
int HTTPD::answer_to_connection_thunk(void *cls, MHD_Connection *connection,
size_t *upload_data_size, void **con_cls)
{
printf("url %s\n", url);
- AVOutputFormat *oformat = av_guess_format("mpegts", nullptr, nullptr);
+ AVOutputFormat *oformat = av_guess_format(STREAM_MUX_NAME, nullptr, nullptr);
assert(oformat != nullptr);
HTTPD::Stream *stream = new HTTPD::Stream(oformat, width, height);
streams.push_back(stream);
+
+ // Does not strictly have to be equal to MUX_BUFFER_SIZE.
MHD_Response *response = MHD_create_response_from_callback(
- (size_t)-1, 1048576, &HTTPD::Stream::reader_callback_thunk, stream, &HTTPD::free_stream);
+ (size_t)-1, MUX_BUFFER_SIZE, &HTTPD::Stream::reader_callback_thunk, stream, &HTTPD::free_stream);
int ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
//MHD_destroy_response(response);
avstream_audio->codec->channel_layout = AV_CH_LAYOUT_STEREO;
avstream_audio->codec->time_base = AVRational{1, TIMEBASE};
- if (avformat_write_header(avctx, NULL) < 0) {
+ AVDictionary *options = NULL;
+ vector<pair<string, string>> opts = MUX_OPTS;
+ for (pair<string, string> opt : opts) {
+ av_dict_set(&options, opt.first.c_str(), opt.second.c_str(), 0);
+ }
+ if (avformat_write_header(avctx, &options) < 0) {
fprintf(stderr, "avformat_write_header() failed\n");
exit(1);
}
{
AVFormatContext *avctx = avformat_alloc_context();
avctx->oformat = oformat;
- uint8_t *buf = (uint8_t *)av_malloc(1048576);
- avctx->pb = avio_alloc_context(buf, 1048576, 1, this, nullptr, &HTTPD::Stream::write_packet_thunk, nullptr);
+ uint8_t *buf = (uint8_t *)av_malloc(MUX_BUFFER_SIZE);
+ avctx->pb = avio_alloc_context(buf, MUX_BUFFER_SIZE, 1, this, nullptr, &HTTPD::Stream::write_packet_thunk, nullptr);
avctx->flags = AVFMT_FLAG_CUSTOM_IO;
mux.reset(new Mux(avctx, width, height));