move DTS demuxer to its own file

Originally committed as revision 24972 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 7 insertions, 64 deletions

diff --git a/libavformat/raw.c b/libavformat/raw.c
index 969858346d..55457bd4e0 100644
--- a/libavformat/raw.c
+++ b/libavformat/raw.c
@@ -233,7 +233,7 @@ int pcm_read_seek(AVFormatContext *s,
     return 0;
 }
 
-static int audio_read_header(AVFormatContext *s,
+int ff_raw_audio_read_header(AVFormatContext *s,
                              AVFormatParameters *ap)
 {
     AVStream *st = av_new_stream(s, 0);
@@ -519,49 +519,6 @@ static int h261_probe(AVProbeData *p)
 }
 #endif
 
-#if CONFIG_DTS_DEMUXER
-#define DCA_MARKER_14B_BE 0x1FFFE800
-#define DCA_MARKER_14B_LE 0xFF1F00E8
-#define DCA_MARKER_RAW_BE 0x7FFE8001
-#define DCA_MARKER_RAW_LE 0xFE7F0180
-static int dts_probe(AVProbeData *p)
-{
-    const uint8_t *buf, *bufp;
-    uint32_t state = -1;
-    int markers[3] = {0};
-    int sum, max;
-
-    buf = p->buf;
-
-    for(; buf < (p->buf+p->buf_size)-2; buf+=2) {
-        bufp = buf;
-        state = (state << 16) | bytestream_get_be16(&bufp);
-
-        /* regular bitstream */
-        if (state == DCA_MARKER_RAW_BE || state == DCA_MARKER_RAW_LE)
-            markers[0]++;
-
-        /* 14 bits big-endian bitstream */
-        if (state == DCA_MARKER_14B_BE)
-            if ((bytestream_get_be16(&bufp) & 0xFFF0) == 0x07F0)
-                markers[1]++;
-
-        /* 14 bits little-endian bitstream */
-        if (state == DCA_MARKER_14B_LE)
-            if ((bytestream_get_be16(&bufp) & 0xF0FF) == 0xF007)
-                markers[2]++;
-    }
-    sum = markers[0] + markers[1] + markers[2];
-    max = markers[1] > markers[0];
-    max = markers[2] > markers[max] ? 2 : max;
-    if (markers[max] > 3 && p->buf_size / markers[max] < 32*1024 &&
-        markers[max] * 4 > sum * 3)
-        return AVPROBE_SCORE_MAX/2+1;
-
-    return 0;
-}
-#endif
-
 #if CONFIG_DIRAC_DEMUXER
 static int dirac_probe(AVProbeData *p)
 {
@@ -656,7 +613,7 @@ AVInputFormat ac3_demuxer = {
     NULL_IF_CONFIG_SMALL("raw AC-3"),
     0,
     ac3_probe,
-    audio_read_header,
+    ff_raw_audio_read_header,
     ff_raw_read_partial_packet,
     .flags= AVFMT_GENERIC_INDEX,
     .extensions = "ac3",
@@ -735,20 +692,6 @@ AVOutputFormat dnxhd_muxer = {
 };
 #endif
 
-#if CONFIG_DTS_DEMUXER
-AVInputFormat dts_demuxer = {
-    "dts",
-    NULL_IF_CONFIG_SMALL("raw DTS"),
-    0,
-    dts_probe,
-    audio_read_header,
-    ff_raw_read_partial_packet,
-    .flags= AVFMT_GENERIC_INDEX,
-    .extensions = "dts",
-    .value = CODEC_ID_DTS,
-};
-#endif
-
 #if CONFIG_DTS_MUXER
 AVOutputFormat dts_muxer = {
     "dts",
@@ -770,7 +713,7 @@ AVInputFormat eac3_demuxer = {
     NULL_IF_CONFIG_SMALL("raw E-AC-3"),
     0,
     eac3_probe,
-    audio_read_header,
+    ff_raw_audio_read_header,
     ff_raw_read_partial_packet,
     .flags= AVFMT_GENERIC_INDEX,
     .extensions = "eac3",
@@ -799,7 +742,7 @@ AVInputFormat gsm_demuxer = {
     NULL_IF_CONFIG_SMALL("raw GSM"),
     0,
     NULL,
-    audio_read_header,
+    ff_raw_audio_read_header,
     ff_raw_read_partial_packet,
     .flags= AVFMT_GENERIC_INDEX,
     .extensions = "gsm",
@@ -987,7 +930,7 @@ AVInputFormat mlp_demuxer = {
     NULL_IF_CONFIG_SMALL("raw MLP"),
     0,
     NULL,
-    audio_read_header,
+    ff_raw_audio_read_header,
     ff_raw_read_partial_packet,
     .flags= AVFMT_GENERIC_INDEX,
     .extensions = "mlp",
@@ -1028,7 +971,7 @@ AVInputFormat truehd_demuxer = {
     NULL_IF_CONFIG_SMALL("raw TrueHD"),
     0,
     NULL,
-    audio_read_header,
+    ff_raw_audio_read_header,
     ff_raw_read_partial_packet,
     .flags= AVFMT_GENERIC_INDEX,
     .extensions = "thd",
@@ -1157,7 +1100,7 @@ AVInputFormat shorten_demuxer = {
     NULL_IF_CONFIG_SMALL("raw Shorten"),
     0,
     NULL,
-    audio_read_header,
+    ff_raw_audio_read_header,
     ff_raw_read_partial_packet,
     .flags= AVFMT_GENERIC_INDEX,
     .extensions = "shn",