Remove ff_mms_set_stream_selection again from asf demuxer,

[ffmpeg] / libavformat / mxf.c

diff --git a/libavformat/mxf.c b/libavformat/mxf.c
index 42393ec76814e11fd4dd3c82862569da4ca23a87..0c69cd2e12e738ca168008f9e20bdaf85792b50e 100644 (file)
--- a/libavformat/mxf.c
+++ b/libavformat/mxf.c
@@ -180,6 +180,7 @@ static const uint8_t mxf_klv_key[]                         = { 0x06,0x0e,0x2b,0x
 static const uint8_t mxf_crypto_source_container_ul[]      = { 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x09,0x06,0x01,0x01,0x02,0x02,0x00,0x00,0x00 };
 static const uint8_t mxf_encrypted_triplet_key[]           = { 0x06,0x0e,0x2b,0x34,0x02,0x04,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x7e,0x01,0x00 };
 static const uint8_t mxf_encrypted_essence_container[]     = { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0b,0x01,0x00 };
+static const uint8_t mxf_sony_mpeg4_extradata[]            = { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0e,0x06,0x06,0x02,0x02,0x01,0x00,0x00 };
 
 #define IS_KLV_KEY(x, y) (!memcmp(x, y, sizeof(y)))
 
@@ -243,7 +244,8 @@ static int mxf_get_stream_index(AVFormatContext *s, KLVPacket *klv)
 static int mxf_get_d10_aes3_packet(ByteIOContext *pb, AVStream *st, AVPacket *pkt, int64_t length)
 {
     uint8_t buffer[61444];
-    uint8_t *buf_ptr, *end_ptr, *data_ptr;
+    const uint8_t *buf_ptr, *end_ptr;
+    uint8_t *data_ptr;
     int i;
 
     if (length > 61444) /* worst case PAL 1920 samples 8 channels */
@@ -553,7 +555,7 @@ static void mxf_read_pixel_layout(ByteIOContext *pb, MXFDescriptor *descriptor)
     } while (code != 0); /* SMPTE 377M E.2.46 */
 }
 
-static int mxf_read_generic_descriptor(MXFDescriptor *descriptor, ByteIOContext *pb, int tag, int size)
+static int mxf_read_generic_descriptor(MXFDescriptor *descriptor, ByteIOContext *pb, int tag, int size, UID uid)
 {
     switch(tag) {
     case 0x3F01:
@@ -601,12 +603,15 @@ static int mxf_read_generic_descriptor(MXFDescriptor *descriptor, ByteIOContext
     case 0x3401:
         mxf_read_pixel_layout(pb, descriptor);
         break;
-    case 0x8201: /* Private tag used by SONY C0023S01.mxf */
-        descriptor->extradata = av_malloc(size);
-        if (!descriptor->extradata)
-            return -1;
-        descriptor->extradata_size = size;
-        get_buffer(pb, descriptor->extradata, size);
+    default:
+        /* Private uid used by SONY C0023S01.mxf */
+        if (IS_KLV_KEY(uid, mxf_sony_mpeg4_extradata)) {
+            descriptor->extradata = av_malloc(size);
+            if (!descriptor->extradata)
+                return -1;
+            descriptor->extradata_size = size;
+            get_buffer(pb, descriptor->extradata, size);
+        }
         break;
     }
     return 0;
@@ -918,7 +923,7 @@ static int mxf_read_local_tags(MXFContext *mxf, KLVPacket *klv, int (*read_child
         int tag = get_be16(pb);
         int size = get_be16(pb); /* KLV specified by 0x53 */
         uint64_t next = url_ftell(pb) + size;
-        UID uid;
+        UID uid = {0};
 
         if (!size) { /* ignore empty tag, needed for some files with empty UMID tag */
             av_log(mxf->fc, AV_LOG_ERROR, "local tag 0x%04X with 0 size\n", tag);
@@ -939,8 +944,8 @@ static int mxf_read_local_tags(MXFContext *mxf, KLVPacket *klv, int (*read_child
         }
         if (ctx_size && tag == 0x3C0A)
             get_buffer(pb, ctx->uid, 16);
-        else
-            read_child(ctx, pb, tag, size, uid);
+        else if (read_child(ctx, pb, tag, size, uid) < 0)
+            return -1;
 
         url_fseek(pb, next, SEEK_SET);
     }