mpegvideo_enc: export vbv_delay in side data

[ffmpeg] / libavformat / rtp.h

diff --git a/libavformat/rtp.h b/libavformat/rtp.h
index 4f35142afd03d43ead492f498d97c32acb2c46d9..feaf16796570e7011fbb6d69439aacb8a8e55d90 100644 (file)
--- a/libavformat/rtp.h
+++ b/libavformat/rtp.h
@@ -23,15 +23,21 @@
 
 #include "libavformat/avformat.h"
 #include "libavcodec/avcodec.h"
+#include "libavutil/mathematics.h"
 
 /**
- * Return the payload type for a given codec used in the given format context.
+ * 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
+ * @param idx   The stream index
  * @return The payload type (the 'PT' field in the RTP header).
  */
-int ff_rtp_get_payload_type(AVFormatContext *fmt, AVCodecContext *codec);
+int ff_rtp_get_payload_type(AVFormatContext *fmt, AVCodecContext *codec,
+                            int idx);
 
 /**
  * Initialize a codec context based on the payload type.
@@ -63,32 +69,47 @@ const char *ff_rtp_enc_name(int 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 */