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99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
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#ifndef __HTTP_H__
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#define __HTTP_H__
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#include <event2/buffer.h>
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#include <event2/http.h>
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#include "misc.h"
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#include <libavformat/avformat.h>
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struct http_client_ctx
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{
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int async;
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const char *url;
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/* For sync mode, a keyval/evbuf to store response headers and body
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* Can be set to NULL to ignore that part of the response
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*/
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struct keyval *headers;
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struct evbuffer *body;
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/* Cut the connection after the headers have been received
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* Used for getting Shoutcast/ICY headers for old versions of libav/ffmpeg
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* (requires libevent 1 or 2.1.4+)
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*/
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int headers_only;
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/* For async mode */
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void (*cb)(struct evhttp_request *, void *);
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/* Private */
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int ret;
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void *evbase;
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};
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struct http_icy_metadata
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{
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/* Static stream metadata from icy_metadata_headers */
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char *name;
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char *description;
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char *genre;
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/* Track specific, comes from icy_metadata_packet */
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char *title;
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char *artist;
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char *artwork_url;
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uint32_t hash;
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};
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/* Generic HTTP client
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* Can be called blocking or non-blocking. No support for https.
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*
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* @param ctx HTTP request params, see above
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* @return 0 if successful, -1 if an error occurred
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*/
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int
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http_client_request(struct http_client_ctx *ctx);
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/* Returns a newly allocated string with the first stream in the m3u given in
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* url. If url is not a m3u, the string will be a copy of url.
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*
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* @param stream the newly allocated string with link to stream (NULL on error)
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* @param url link to either stream or m3u
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* @return 0 if successful, -1 if an error occurred
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*/
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int
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http_stream_setup(char **stream, const char *url);
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/* Extracts ICY header and packet metadata (requires libav 10)
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*
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* example header metadata (standard http header format):
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* icy-name: Rock On Radio
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* example packet metadata (track currently being played):
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* StreamTitle='Robert Miles - Black Rubber';StreamUrl='';
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*
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* The extraction is straight from the stream and done in the player thread, so
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* it must not produce significant delay.
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*
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* @param fmtctx the libav/ffmpeg AVFormatContext containing the stream
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* @param packet_only only get currently playing info (see struct above)
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* @return metadata struct if successful, NULL on error or nothing found
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*/
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struct http_icy_metadata *
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http_icy_metadata_get(AVFormatContext *fmtctx, int packet_only);
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/* Frees an ICY metadata struct
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*
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* @param metadata struct to free
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*/
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void
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http_icy_metadata_free(struct http_icy_metadata *metadata);
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#endif /* !__HTTP_H__ */
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