Split RMContext into RMDemux/MuxContext and make them private in rmdec/enc.c.

Reason for this is that there are no shared entries in the demuxer/muxer
context, making it a mystery as to why it was shared between the two. See
"[PATCH] clean rmdemux/muxcontext" patch on mailinglist.

Originally committed as revision 16111 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 34 insertions, 13 deletions

diff --git a/libavformat/rmdec.c b/libavformat/rmdec.c
index 440443c01d..5c10f278f1 100644
--- a/libavformat/rmdec.c
+++ b/libavformat/rmdec.c
@@ -21,7 +21,28 @@
 
 #include "libavutil/avstring.h"
 #include "avformat.h"
-#include "rm.h"
+
+typedef struct {
+    int nb_packets;
+    int old_format;
+    int current_stream;
+    int remaining_len;
+    uint8_t *videobuf; ///< place to store merged video frame
+    int videobufsize;  ///< current assembled frame size
+    int videobufpos;   ///< position for the next slice in the video buffer
+    int curpic_num;    ///< picture number of current frame
+    int cur_slice, slices;
+    int64_t pktpos;    ///< first slice position in file
+    /// Audio descrambling matrix parameters
+    uint8_t *audiobuf; ///< place to store reordered audio data
+    int64_t audiotimestamp; ///< Audio packet timestamp
+    int sub_packet_cnt; // Subpacket counter, used while reading
+    int sub_packet_size, sub_packet_h, coded_framesize; ///< Descrambling parameters from container
+    int audio_stream_num; ///< Stream number for audio packets
+    int audio_pkt_cnt; ///< Output packet counter
+    int audio_framesize; /// Audio frame size from container
+    int sub_packet_lengths[16]; /// Length of each aac subpacket
+} RMDemuxContext;
 
 static inline void get_strl(ByteIOContext *pb, char *buf, int buf_size, int len)
 {
@@ -50,7 +71,7 @@ static void get_str8(ByteIOContext *pb, char *buf, int buf_size)
 static int rm_read_audio_stream_info(AVFormatContext *s, ByteIOContext *pb,
                                      AVStream *st, int read_all)
 {
-    RMContext *rm = s->priv_data;
+    RMDemuxContext *rm = s->priv_data;
     char buf[256];
     uint32_t version;
     int i;
@@ -267,7 +288,7 @@ skip:
 
 static int rm_read_header_old(AVFormatContext *s, AVFormatParameters *ap)
 {
-    RMContext *rm = s->priv_data;
+    RMDemuxContext *rm = s->priv_data;
     AVStream *st;
 
     rm->old_format = 1;
@@ -279,7 +300,7 @@ static int rm_read_header_old(AVFormatContext *s, AVFormatParameters *ap)
 
 static int rm_read_header(AVFormatContext *s, AVFormatParameters *ap)
 {
-    RMContext *rm = s->priv_data;
+    RMDemuxContext *rm = s->priv_data;
     AVStream *st;
     ByteIOContext *pb = s->pb;
     unsigned int tag;
@@ -396,7 +417,7 @@ static int get_num(ByteIOContext *pb, int *len)
 #define RAW_PACKET_SIZE 1000
 
 static int sync(AVFormatContext *s, int64_t *timestamp, int *flags, int *stream_index, int64_t *pos){
-    RMContext *rm = s->priv_data;
+    RMDemuxContext *rm = s->priv_data;
     ByteIOContext *pb = s->pb;
     int len, num, res, i;
     AVStream *st;
@@ -452,7 +473,7 @@ skip:
 }
 
 static int rm_assemble_video_frame(AVFormatContext *s, ByteIOContext *pb,
-                                   RMContext *rm, AVPacket *pkt, int len)
+                                   RMDemuxContext *rm, AVPacket *pkt, int len)
 {
     int hdr, seq, pic_num, len2, pos;
     int type;
@@ -553,7 +574,7 @@ ff_rm_parse_packet (AVFormatContext *s, ByteIOContext *pb,
                     AVStream *st, int len, AVPacket *pkt,
                     int *seq, int *flags, int64_t *timestamp)
 {
-    RMContext *rm = s->priv_data;
+    RMDemuxContext *rm = s->priv_data;
 
     if (st->codec->codec_type == CODEC_TYPE_VIDEO) {
         rm->current_stream= st->id;
@@ -651,7 +672,7 @@ void
 ff_rm_retrieve_cache (AVFormatContext *s, ByteIOContext *pb,
                       AVStream *st, AVPacket *pkt)
 {
-    RMContext *rm = s->priv_data;
+    RMDemuxContext *rm = s->priv_data;
 
     assert (rm->audio_pkt_cnt > 0);
 
@@ -670,7 +691,7 @@ ff_rm_retrieve_cache (AVFormatContext *s, ByteIOContext *pb,
 
 static int rm_read_packet(AVFormatContext *s, AVPacket *pkt)
 {
-    RMContext *rm = s->priv_data;
+    RMDemuxContext *rm = s->priv_data;
     ByteIOContext *pb = s->pb;
     AVStream *st;
     int i, len;
@@ -728,7 +749,7 @@ resync:
 
 static int rm_read_close(AVFormatContext *s)
 {
-    RMContext *rm = s->priv_data;
+    RMDemuxContext *rm = s->priv_data;
 
     av_free(rm->audiobuf);
     av_free(rm->videobuf);
@@ -751,7 +772,7 @@ static int rm_probe(AVProbeData *p)
 static int64_t rm_read_dts(AVFormatContext *s, int stream_index,
                                int64_t *ppos, int64_t pos_limit)
 {
-    RMContext *rm = s->priv_data;
+    RMDemuxContext *rm = s->priv_data;
     int64_t pos, dts;
     int stream_index2, flags, len, h;
 
@@ -794,7 +815,7 @@ static int64_t rm_read_dts(AVFormatContext *s, int stream_index,
 AVInputFormat rm_demuxer = {
     "rm",
     NULL_IF_CONFIG_SMALL("RM format"),
-    sizeof(RMContext),
+    sizeof(RMDemuxContext),
     rm_probe,
     rm_read_header,
     rm_read_packet,
@@ -806,6 +827,6 @@ AVInputFormat rm_demuxer = {
 AVInputFormat rdt_demuxer = {
     "rdt",
     NULL_IF_CONFIG_SMALL("RDT demuxer"),
-    sizeof(RMContext),
+    sizeof(RMDemuxContext),
     NULL, NULL, NULL, rm_read_close, NULL, NULL
 };