Rename RTP payload contexts to PayloadContext, suggested by Luca in

"RDT/Realmedia patches #2" thread on ML.



git-svn-id: file:///var/local/repositories/ffmpeg/trunk@15540 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavformat/rdt.c

@@ -34,13 +34,13 @@
 #include "rm.h"
 #include "internal.h"
 
-typedef struct rdt_data {
+struct PayloadContext {
     AVFormatContext *rmctx;
     uint8_t *mlti_data;
     unsigned int mlti_data_size;
     uint32_t prev_sn, prev_ts;
     char buffer[RTP_MAX_PACKET_LENGTH + FF_INPUT_BUFFER_PADDING_SIZE];
-} rdt_data;
+};
 
 void
 ff_rdt_calc_response_and_checksum(char response[41], char chksum[9],
@@ -82,7 +82,7 @@ ff_rdt_calc_response_and_checksum(char response[41], char chksum[9],
 }
 
 static int
-rdt_load_mdpr (rdt_data *rdt, AVStream *st, int rule_nr)
+rdt_load_mdpr (PayloadContext *rdt, AVStream *st, int rule_nr)
 {
     ByteIOContext *pb;
     int size;
@@ -166,7 +166,7 @@ static int
 rdt_parse_packet (RTPDemuxContext *s, AVPacket *pkt, uint32_t *timestamp,
                   const uint8_t *buf, int len, int flags)
 {
-    rdt_data *rdt = s->dynamic_protocol_context;
+    PayloadContext *rdt = s->dynamic_protocol_context;
     int seq = 1, res;
     ByteIOContext *pb = rdt->rmctx->pb;
     RMContext *rm = rdt->rmctx->priv_data;
@@ -206,7 +206,7 @@ int
 ff_rdt_parse_packet(RTPDemuxContext *s, AVPacket *pkt,
                     const uint8_t *buf, int len)
 {
-    rdt_data *rdt = s->dynamic_protocol_context;
+    PayloadContext *rdt = s->dynamic_protocol_context;
     int seq, flags = 0, rule, sn;
     uint32_t timestamp;
     int rv= 0;
@@ -252,7 +252,7 @@ void
 ff_rdt_subscribe_rule2 (RTPDemuxContext *s, char *cmd, int size,
                         int stream_nr, int rule_nr)
 {
-    rdt_data *rdt = s->dynamic_protocol_context;
+    PayloadContext *rdt = s->dynamic_protocol_context;
 
     rdt_load_mdpr(rdt, s->st, rule_nr * 2);
 }
@@ -273,9 +273,8 @@ rdt_parse_b64buf (unsigned int *target_len, const char *p)
 }
 
 static int
-rdt_parse_sdp_line (AVStream *stream, void *d, const char *line)
+rdt_parse_sdp_line (AVStream *stream, PayloadContext *rdt, const char *line)
 {
-    rdt_data *rdt = d;
     const char *p = line;
 
     if (av_strstart(p, "OpaqueData:buffer;", &p)) {
@@ -286,10 +285,10 @@ rdt_parse_sdp_line (AVStream *stream, void *d, const char *line)
     return 0;
 }
 
-static void *
+static PayloadContext *
 rdt_new_extradata (void)
 {
-    rdt_data *rdt = av_mallocz(sizeof(rdt_data));
+    PayloadContext *rdt = av_mallocz(sizeof(PayloadContext));
 
     av_open_input_stream(&rdt->rmctx, NULL, "", &rdt_demuxer, NULL);
     rdt->prev_ts = -1;
@@ -299,10 +298,8 @@ rdt_new_extradata (void)
 }
 
 static void
-rdt_free_extradata (void *d)
+rdt_free_extradata (PayloadContext *rdt)
 {
-    rdt_data *rdt = d;
-
     if (rdt->rmctx)
         av_close_input_stream(rdt->rmctx);
     av_freep(&rdt->mlti_data);

libavformat/rtp_h264.c

@@ -52,7 +52,7 @@
 /**
     RTP/H264 specific private data.
 */
-typedef struct h264_rtp_extra_data {
+struct PayloadContext {
     unsigned long cookie;       ///< sanity check, to make sure we get the pointer we're expecting.
 
     //sdp setup parameters
@@ -63,14 +63,14 @@ typedef struct h264_rtp_extra_data {
 #ifdef DEBUG
     int packet_types_received[32];
 #endif
-} h264_rtp_extra_data;
+};
 
 #define MAGIC_COOKIE (0xdeadbeef)       ///< Cookie for the extradata; to verify we are what we think we are, and that we haven't been freed.
 #define DEAD_COOKIE (0xdeaddead)        ///< Cookie for the extradata; once it is freed.
 
 /* ---------------- private code */
 static void sdp_parse_fmtp_config_h264(AVStream * stream,
-                                       h264_rtp_extra_data * h264_data,
+                                       PayloadContext * h264_data,
                                        char *attr, char *value)
 {
     AVCodecContext *codec = stream->codec;
@@ -166,7 +166,7 @@ static int h264_handle_packet(RTPDemuxContext * s,
                               int len, int flags)
 {
 #ifdef DEBUG
-    h264_rtp_extra_data *data = s->dynamic_protocol_context;
+    PayloadContext *data = s->dynamic_protocol_context;
 #endif
     uint8_t nal = buf[0];
     uint8_t type = (nal & 0x1f);
@@ -315,10 +315,10 @@ static int h264_handle_packet(RTPDemuxContext * s,
 }
 
 /* ---------------- public code */
-static void *h264_new_extradata(void)
+static PayloadContext *h264_new_extradata(void)
 {
-    h264_rtp_extra_data *data =
-        av_mallocz(sizeof(h264_rtp_extra_data) +
+    PayloadContext *data =
+        av_mallocz(sizeof(PayloadContext) +
                    FF_INPUT_BUFFER_PADDING_SIZE);
 
     if (data) {
@@ -328,9 +328,8 @@ static void *h264_new_extradata(void)
     return data;
 }
 
-static void h264_free_extradata(void *d)
+static void h264_free_extradata(PayloadContext *data)
 {
-    h264_rtp_extra_data *data = (h264_rtp_extra_data *) d;
 #ifdef DEBUG
     int ii;
 
@@ -351,11 +350,10 @@ static void h264_free_extradata(void *d)
     av_free(data);
 }
 
-static int parse_h264_sdp_line(AVStream * stream, void *data,
+static int parse_h264_sdp_line(AVStream * stream, PayloadContext *h264_data,
                                const char *line)
 {
     AVCodecContext *codec = stream->codec;
-    h264_rtp_extra_data *h264_data = (h264_rtp_extra_data *) data;
     const char *p = line;
 
     assert(h264_data->cookie == MAGIC_COOKIE);

libavformat/rtp_internal.h

@@ -41,6 +41,7 @@ typedef struct {
     uint32_t jitter;            ///< estimated jitter.
 } RTPStatistics;
 
+typedef struct PayloadContext PayloadContext;
 /**
  * Packet parsing for "private" payloads in the RTP specs.
  *
@@ -65,10 +66,10 @@ typedef struct RTPDynamicProtocolHandler_s {
 
     // may be null
     int (*parse_sdp_a_line) (AVStream * stream,
-                             void *protocol_data,
+                             PayloadContext *priv_data,
                              const char *line); ///< Parse the a= line from the sdp field
-    void *(*open) (); ///< allocate any data needed by the rtp parsing for this dynamic data.
-    void (*close)(void *protocol_data); ///< free any data needed by the rtp parsing for this dynamic data.
+    PayloadContext *(*open) (); ///< allocate any data needed by the rtp parsing for this dynamic data.
+    void (*close)(PayloadContext *protocol_data); ///< free any data needed by the rtp parsing for this dynamic data.
     DynamicPayloadPacketHandlerProc parse_packet; ///< parse handler for this dynamic packet.
 
     struct RTPDynamicProtocolHandler_s *next;
@@ -113,7 +114,7 @@ struct RTPDemuxContext {
 
     /* dynamic payload stuff */
     DynamicPayloadPacketHandlerProc parse_packet;     ///< This is also copied from the dynamic protocol handler structure
-    void *dynamic_protocol_context;        ///< This is a copy from the values setup from the sdp parsing, in rtsp.c don't free me.
+    PayloadContext *dynamic_protocol_context;        ///< This is a copy from the values setup from the sdp parsing, in rtsp.c don't free me.
     int max_frames_per_packet;
 };
 

libavformat/rtsp.c

@@ -92,7 +92,7 @@ typedef struct RTSPStream {
     rtp_payload_data_t rtp_payload_data; /* rtp payload parsing infos from SDP */
 
     RTPDynamicProtocolHandler *dynamic_handler; ///< Only valid if it's a dynamic protocol. (This is the handler structure)
-    void *dynamic_protocol_context; ///< Only valid if it's a dynamic protocol. (This is any private data associated with the dynamic protocol)
+    PayloadContext *dynamic_protocol_context; ///< Only valid if it's a dynamic protocol. (This is any private data associated with the dynamic protocol)
 } RTSPStream;
 
 static int rtsp_read_play(AVFormatContext *s);