cosmetics: reindent

[ffmpeg] / libavformat / amr.c

diff --git a/libavformat/amr.c b/libavformat/amr.c
index 6faad121bac9c0761fecf453e97e043ce1b1ca1e..c0a8707b6aabe41dd0f37fb197086e22359fd3e5 100644 (file)
--- a/libavformat/amr.c
+++ b/libavformat/amr.c
@@ -60,11 +60,6 @@ static int amr_write_packet(AVFormatContext *s, AVPacket *pkt)
     put_flush_packet(&s->pb);
     return 0;
 }
-
-static int amr_write_trailer(AVFormatContext *s)
-{
-    return 0;
-}
 #endif /* CONFIG_MUXERS */
 
 static int amr_probe(AVProbeData *p)
@@ -73,8 +68,6 @@ static int amr_probe(AVProbeData *p)
     //This will also trigger multichannel files: "#!AMR_MC1.0\n" and
     //"#!AMR-WB_MC1.0\n" (not supported)
 
-    if (p->buf_size < 5)
-        return 0;
     if(memcmp(p->buf,AMR_header,5)==0)
         return AVPROBE_SCORE_MAX;
     else
@@ -91,6 +84,11 @@ static int amr_read_header(AVFormatContext *s,
 
     get_buffer(pb, header, 6);
 
+    st = av_new_stream(s, 0);
+    if (!st)
+    {
+        return AVERROR(ENOMEM);
+    }
     if(memcmp(header,AMR_header,6)!=0)
     {
         get_buffer(pb, header+6, 3);
@@ -98,119 +96,73 @@ static int amr_read_header(AVFormatContext *s,
         {
             return -1;
         }
-        st = av_new_stream(s, 0);
-        if (!st)
-        {
-            return AVERROR_NOMEM;
-        }
 
-        st->codec->codec_type = CODEC_TYPE_AUDIO;
         st->codec->codec_tag = MKTAG('s', 'a', 'w', 'b');
         st->codec->codec_id = CODEC_ID_AMR_WB;
-        st->codec->channels = 1;
         st->codec->sample_rate = 16000;
     }
     else
     {
-        st = av_new_stream(s, 0);
-        if (!st)
-        {
-            return AVERROR_NOMEM;
-        }
-
-        st->codec->codec_type = CODEC_TYPE_AUDIO;
         st->codec->codec_tag = MKTAG('s', 'a', 'm', 'r');
         st->codec->codec_id = CODEC_ID_AMR_NB;
-        st->codec->channels = 1;
         st->codec->sample_rate = 8000;
     }
+    st->codec->channels = 1;
+    st->codec->codec_type = CODEC_TYPE_AUDIO;
+    av_set_pts_info(st, 64, 1, st->codec->sample_rate);
 
     return 0;
 }
 
-#define MAX_SIZE 32
-
 static int amr_read_packet(AVFormatContext *s,
                           AVPacket *pkt)
 {
     AVCodecContext *enc = s->streams[0]->codec;
+    int read, size = 0, toc, mode;
 
-    if (enc->codec_id == CODEC_ID_AMR_NB)
+    if (url_feof(&s->pb))
     {
-        static const uint8_t packed_size[16] = {12, 13, 15, 17, 19, 20, 26, 31, 5, 0, 0, 0, 0, 0, 0, 0};
-        uint8_t toc, q, ft;
-        int read;
-        int size;
-
-        if (url_feof(&s->pb))
-        {
-            return AVERROR_IO;
-        }
-
-        toc=get_byte(&s->pb);
-        q  = (toc >> 2) & 0x01;
-        ft = (toc >> 3) & 0x0F;
-
-        size=packed_size[ft];
+        return AVERROR(EIO);
+    }
 
-        if (av_new_packet(pkt, size+1))
-        {
-            return AVERROR_IO;
-        }
-        pkt->stream_index = 0;
-        pkt->pos= url_ftell(&s->pb);
-        pkt->data[0]=toc;
+//FIXME this is wrong, this should rather be in a AVParset
+    toc=get_byte(&s->pb);
+    mode = (toc >> 3) & 0x0F;
 
-        read = get_buffer(&s->pb, pkt->data+1, size);
+    if (enc->codec_id == CODEC_ID_AMR_NB)
+    {
+        static const uint8_t packed_size[16] = {12, 13, 15, 17, 19, 20, 26, 31, 5, 0, 0, 0, 0, 0, 0, 0};
 
-        if (read != size)
-        {
-            av_free_packet(pkt);
-            return AVERROR_IO;
-        }
+        size=packed_size[mode]+1;
     }
     else if(enc->codec_id == CODEC_ID_AMR_WB)
     {
         static uint8_t packed_size[16] = {18, 24, 33, 37, 41, 47, 51, 59, 61, 6, 6, 0, 0, 0, 1, 1};
-        uint8_t toc, mode;
-        int read;
-        int size;
-
-        if (url_feof(&s->pb))
-        {
-            return AVERROR_IO;
-        }
-
-        toc=get_byte(&s->pb);
-        mode = (uint8_t)((toc >> 3) & 0x0F);
-        size = packed_size[mode];
-
-        if ( (size==0) || av_new_packet(pkt, size))
-        {
-            return AVERROR_IO;
-        }
-
-        pkt->stream_index = 0;
-        pkt->pos= url_ftell(&s->pb);
-        pkt->data[0]=toc;
-
-        read = get_buffer(&s->pb, pkt->data+1, size-1);
 
-        if (read != (size-1))
-        {
-            av_free_packet(pkt);
-            return AVERROR_IO;
-        }
+        size=packed_size[mode];
     }
     else
     {
         assert(0);
     }
-    return 0;
-}
 
-static int amr_read_close(AVFormatContext *s)
-{
+    if ( (size==0) || av_new_packet(pkt, size))
+    {
+        return AVERROR(EIO);
+    }
+
+    pkt->stream_index = 0;
+    pkt->pos= url_ftell(&s->pb);
+    pkt->data[0]=toc;
+    pkt->duration= enc->codec_id == CODEC_ID_AMR_NB ? 160 : 320;
+    read = get_buffer(&s->pb, pkt->data+1, size-1);
+
+    if (read != size-1)
+    {
+        av_free_packet(pkt);
+        return AVERROR(EIO);
+    }
+
     return 0;
 }
 
@@ -222,7 +174,7 @@ AVInputFormat amr_demuxer = {
     amr_probe,
     amr_read_header,
     amr_read_packet,
-    amr_read_close,
+    NULL,
 };
 #endif
 
@@ -237,6 +189,5 @@ AVOutputFormat amr_muxer = {
     CODEC_ID_NONE,
     amr_write_header,
     amr_write_packet,
-    amr_write_trailer,
 };
 #endif