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Add WebRTC support using libdatachannel

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The WebRTC is exposed via `/video.html` endpoint
and enabled by default as long as h264 stream
is available.
This commit is contained in:
Kamil Trzcinski
2022-08-31 19:04:54 +02:00
parent ff81088824
commit 5ee0bee59f
19 changed files with 644 additions and 87 deletions
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9
util/http/http.c
View File

@ -14,6 +14,9 @@
#include "http.h"
#include "util/opts/log.h"
#define HEADER_RANGE "Range:"
#define HEADER_CONTENT_LENGTH "Content-Length:"
static int http_listen(int port, int maxcons)
{
struct sockaddr_in server = {0};
@ -92,6 +95,7 @@ static void http_process(http_worker_t *worker, FILE *stream)
}
worker->range_header[0] = 0;
worker->content_length = -1;
// Consume headers
for(int i = 0; i < 50; i++) {
@ -101,9 +105,12 @@ static void http_process(http_worker_t *worker, FILE *stream)
if (line[0] == '\r' && line[1] == '\n')
break;
if (strcasestr(line, "Range:") == line) {
if (strcasestr(line, HEADER_RANGE) == line) {
strcpy(worker->range_header, line);
}
if (strcasestr(line, HEADER_CONTENT_LENGTH) == line) {
worker->content_length = atoi(line + strlen(HEADER_CONTENT_LENGTH));
}
}
worker->current_method = NULL;

3
util/http/http.h
View File

@ -31,6 +31,7 @@ typedef struct http_worker_s {
pthread_t thread;
int client_fd;
int content_length;
struct sockaddr_in client_addr;
char *client_host;
char client_method[BUFSIZE];
@ -46,7 +47,9 @@ typedef struct http_server_options_s {
int http_server(http_server_options_t *options, http_method_t *methods);
void http_content(http_worker_t *worker, FILE *stream);
void http_write_response(FILE *stream, const char *status, const char *content_type, const char *body, unsigned content_length);
void http_200(FILE *stream, const char *data);
void http_400(FILE *stream, const char *data);
void http_404(FILE *stream, const char *data);
void http_500(FILE *stream, const char *data);
void *http_enum_params(http_worker_t *worker, FILE *stream, http_param_fn fn, void *opaque);

7
util/http/http_methods.c
View File

@ -3,7 +3,7 @@
#include "http.h"
static void http_write_response(
void http_write_response(
FILE *stream,
const char *status,
const char *content_type,
@ -46,6 +46,11 @@ void http_200(FILE *stream, const char *data)
http_write_response(stream, "200 OK", NULL, data ? data : "Nothing here.\n", 0);
}
void http_400(FILE *stream, const char *data)
{
http_write_response(stream, "400 Bad Request", NULL, data ? data : "Nothing here.\n", 0);
}
void http_404(FILE *stream, const char *data)
{
http_write_response(stream, "404 Not Found", NULL, data ? data : "Nothing here.\n", 0);