#ifndef AVFORMAT_RTP_H
#define AVFORMAT_RTP_H
+#include "libavformat/avformat.h"
#include "libavcodec/avcodec.h"
+#include "libavutil/mathematics.h"
/**
- * Return the payload type for a given codec.
+ * Return the payload type for a given stream used in the given format context.
+ * Static payload types are derived from the codec.
+ * Dynamic payload type are derived from the id field in AVStream.
+ * The format context private option payload_type overrides both.
*
+ * @param fmt The context of the format
* @param codec The context of the codec
- * @return In case of unknown payload type or dynamic payload type, a
- * negative value is returned; otherwise, the payload type (the 'PT' field
- * in the RTP header) is returned.
+ * @param idx The stream index
+ * @return The payload type (the 'PT' field in the RTP header).
*/
-int ff_rtp_get_payload_type(AVCodecContext *codec);
+int ff_rtp_get_payload_type(AVFormatContext *fmt, AVCodecContext *codec,
+ int idx);
/**
* Initialize a codec context based on the payload type.
*
* @param buf A pointer to the string containing the encoding name
* @param codec_type The codec type
- * @return In case of unknown encoding name, CODEC_ID_NONE is returned;
+ * @return In case of unknown encoding name, AV_CODEC_ID_NONE is returned;
* otherwise, the codec id is returned
*/
-enum CodecID ff_rtp_codec_id(const char *buf, enum AVMediaType codec_type);
+enum AVCodecID ff_rtp_codec_id(const char *buf, enum AVMediaType codec_type);
#define RTP_PT_PRIVATE 96
#define RTP_VERSION 2
#define RTP_MAX_SDES 256 /**< maximum text length for SDES */
-/* RTCP paquets use 0.5 % of the bandwidth */
+/* RTCP packets use 0.5% of the bandwidth */
#define RTCP_TX_RATIO_NUM 5
#define RTCP_TX_RATIO_DEN 1000
/* An arbitrary id value for RTP Xiph streams - only relevant to indicate
- * the the configuration has changed within a stream (by changing the
+ * that the configuration has changed within a stream (by changing the
* ident value sent).
*/
#define RTP_XIPH_IDENT 0xfecdba
/* RTCP packet types */
enum RTCPType {
+ RTCP_FIR = 192,
+ RTCP_NACK, // 193
+ RTCP_SMPTETC,// 194
+ RTCP_IJ, // 195
RTCP_SR = 200,
RTCP_RR, // 201
RTCP_SDES, // 202
RTCP_BYE, // 203
- RTCP_APP // 204
+ RTCP_APP, // 204
+ RTCP_RTPFB,// 205
+ RTCP_PSFB, // 206
+ RTCP_XR, // 207
+ RTCP_AVB, // 208
+ RTCP_RSI, // 209
+ RTCP_TOKEN,// 210
};
+#define RTP_PT_IS_RTCP(x) (((x) >= RTCP_FIR && (x) <= RTCP_IJ) || \
+ ((x) >= RTCP_SR && (x) <= RTCP_TOKEN))
+
+#define NTP_TO_RTP_FORMAT(x) av_rescale((x), INT64_C(1) << 32, 1000000)
+
#endif /* AVFORMAT_RTP_H */