Chronomaster DFA decoder

[ffmpeg] / libavformat / adtsenc.c

diff --git a/libavformat/adtsenc.c b/libavformat/adtsenc.c
index ecc8dc40dee68c70fad5549922e2e32b8c054392..e858a81d9228b2f088cd6e571f26b6a4570a51f7 100644 (file)
--- a/libavformat/adtsenc.c
+++ b/libavformat/adtsenc.c
@@ -3,26 +3,27 @@
  * Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@smartjog.com>
  *                    Mans Rullgard <mans@mansr.com>
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include "libavcodec/get_bits.h"
 #include "libavcodec/put_bits.h"
 #include "libavcodec/avcodec.h"
+#include "libavcodec/mpeg4audio.h"
 #include "avformat.h"
 #include "adts.h"
 
@@ -30,11 +31,17 @@ int ff_adts_decode_extradata(AVFormatContext *s, ADTSContext *adts, uint8_t *buf
 {
     GetBitContext gb;
     PutBitContext pb;
+    MPEG4AudioConfig m4ac;
+    int off;
 
     init_get_bits(&gb, buf, size * 8);
-    adts->objecttype = get_bits(&gb, 5) - 1;
-    adts->sample_rate_index = get_bits(&gb, 4);
-    adts->channel_conf = get_bits(&gb, 4);
+    off = ff_mpeg4audio_get_config(&m4ac, buf, size);
+    if (off < 0)
+        return off;
+    skip_bits_long(&gb, off);
+    adts->objecttype        = m4ac.object_type - 1;
+    adts->sample_rate_index = m4ac.sampling_index;
+    adts->channel_conf      = m4ac.chan_config;
 
     if (adts->objecttype > 3U) {
         av_log(s, AV_LOG_ERROR, "MPEG-4 AOT %d is not allowed in ADTS\n", adts->objecttype+1);
@@ -52,10 +59,6 @@ int ff_adts_decode_extradata(AVFormatContext *s, ADTSContext *adts, uint8_t *buf
         av_log(s, AV_LOG_ERROR, "Scalable configurations are not allowed in ADTS\n");
         return -1;
     }
-    if (get_bits(&gb, 1)) {
-        av_log_missing_feature(s, "Signaled SBR or PS", 0);
-        return -1;
-    }
     if (!adts->channel_conf) {
         init_put_bits(&pb, adts->pce_data, MAX_PCE_SIZE);
 
@@ -74,7 +77,7 @@ static int adts_write_header(AVFormatContext *s)
     ADTSContext *adts = s->priv_data;
     AVCodecContext *avc = s->streams[0]->codec;
 
-    if(avc->extradata_size > 0 &&
+    if (avc->extradata_size > 0 &&
             ff_adts_decode_extradata(s, adts, avc->extradata, avc->extradata_size) < 0)
         return -1;
 
@@ -115,26 +118,26 @@ int ff_adts_write_frame_header(ADTSContext *ctx,
 static int adts_write_packet(AVFormatContext *s, AVPacket *pkt)
 {
     ADTSContext *adts = s->priv_data;
-    ByteIOContext *pb = s->pb;
+    AVIOContext *pb = s->pb;
     uint8_t buf[ADTS_HEADER_SIZE];
 
     if (!pkt->size)
         return 0;
-    if(adts->write_adts) {
+    if (adts->write_adts) {
         ff_adts_write_frame_header(adts, buf, pkt->size, adts->pce_size);
-        put_buffer(pb, buf, ADTS_HEADER_SIZE);
-        if(adts->pce_size) {
-            put_buffer(pb, adts->pce_data, adts->pce_size);
+        avio_write(pb, buf, ADTS_HEADER_SIZE);
+        if (adts->pce_size) {
+            avio_write(pb, adts->pce_data, adts->pce_size);
             adts->pce_size = 0;
         }
     }
-    put_buffer(pb, pkt->data, pkt->size);
-    put_flush_packet(pb);
+    avio_write(pb, pkt->data, pkt->size);
+    avio_flush(pb);
 
     return 0;
 }
 
-AVOutputFormat adts_muxer = {
+AVOutputFormat ff_adts_muxer = {
     "adts",
     NULL_IF_CONFIG_SMALL("ADTS AAC"),
     "audio/aac",