X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fvocenc.c;h=bbb69c8c01cd2d7681ae06d991fe93063bc125ce;hb=4904995652dbbfc7cb37fef9656b9b86f53449f7;hp=64e8ccf473f2dec8b60bc719cfcf76dfcf171085;hpb=5d244b2932c612932107ca3578ca156463a02fa9;p=ffmpeg

diff --git a/libavformat/vocenc.c b/libavformat/vocenc.c
index 64e8ccf473f..bbb69c8c01c 100644
--- a/libavformat/vocenc.c
+++ b/libavformat/vocenc.c
@@ -2,120 +2,103 @@
  * Creative Voice File muxer.
  * Copyright (c) 2006  Aurelien Jacobs <aurel@gnuage.org>
  *
- * 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
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "avformat.h"
-#include "riff.h"    /* for CodecTag */
 #include "voc.h"
-
-
-static const unsigned char voc_magic[] = "Creative Voice File\x1A";
-
-static const CodecTag voc_codec_tags[] = {
-    {CODEC_ID_PCM_U8,        0x00},
-    {CODEC_ID_ADPCM_SBPRO_4, 0x01},
-    {CODEC_ID_ADPCM_SBPRO_3, 0x02},
-    {CODEC_ID_ADPCM_SBPRO_2, 0x03},
-    {CODEC_ID_PCM_S16LE,     0x04},
-    {CODEC_ID_PCM_ALAW,      0x06},
-    {CODEC_ID_PCM_MULAW,     0x07},
-    {CODEC_ID_ADPCM_CT,    0x0200},
-    {0, 0},
-};
+#include "internal.h"
 
 
 typedef struct voc_enc_context {
     int param_written;
-} voc_enc_context_t;
+} VocEncContext;
 
 static int voc_write_header(AVFormatContext *s)
 {
-    ByteIOContext *pb = &s->pb;
+    AVIOContext *pb = s->pb;
     const int header_size = 26;
     const int version = 0x0114;
 
     if (s->nb_streams != 1
-        || s->streams[0]->codec->codec_type != CODEC_TYPE_AUDIO)
-        return AVERROR_NOTSUPP;
+        || s->streams[0]->codec->codec_type != AVMEDIA_TYPE_AUDIO)
+        return AVERROR_PATCHWELCOME;
 
-    put_buffer(pb, voc_magic, sizeof(voc_magic) - 1);
-    put_le16(pb, header_size);
-    put_le16(pb, version);
-    put_le16(pb, ~version + 0x1234);
+    avio_write(pb, ff_voc_magic, sizeof(ff_voc_magic) - 1);
+    avio_wl16(pb, header_size);
+    avio_wl16(pb, version);
+    avio_wl16(pb, ~version + 0x1234);
 
     return 0;
 }
 
 static int voc_write_packet(AVFormatContext *s, AVPacket *pkt)
 {
-    voc_enc_context_t *voc = s->priv_data;
+    VocEncContext *voc = s->priv_data;
     AVCodecContext *enc = s->streams[0]->codec;
-    ByteIOContext *pb = &s->pb;
+    AVIOContext *pb = s->pb;
 
     if (!voc->param_written) {
-        int format = codec_get_tag(voc_codec_tags, enc->codec_id);
-
-        if (format > 0xFF) {
-            put_byte(pb, VOC_TYPE_NEW_VOICE_DATA);
-            put_le24(pb, pkt->size + 12);
-            put_le32(pb, enc->sample_rate);
-            put_byte(pb, enc->bits_per_sample);
-            put_byte(pb, enc->channels);
-            put_le16(pb, format);
-            put_le32(pb, 0);
+        if (enc->codec_tag > 0xFF) {
+            avio_w8(pb, VOC_TYPE_NEW_VOICE_DATA);
+            avio_wl24(pb, pkt->size + 12);
+            avio_wl32(pb, enc->sample_rate);
+            avio_w8(pb, enc->bits_per_coded_sample);
+            avio_w8(pb, enc->channels);
+            avio_wl16(pb, enc->codec_tag);
+            avio_wl32(pb, 0);
         } else {
             if (s->streams[0]->codec->channels > 1) {
-                put_byte(pb, VOC_TYPE_EXTENDED);
-                put_le24(pb, 4);
-                put_le16(pb, 65536-256000000/(enc->sample_rate*enc->channels));
-                put_byte(pb, format);
-                put_byte(pb, enc->channels - 1);
+                avio_w8(pb, VOC_TYPE_EXTENDED);
+                avio_wl24(pb, 4);
+                avio_wl16(pb, 65536-256000000/(enc->sample_rate*enc->channels));
+                avio_w8(pb, enc->codec_tag);
+                avio_w8(pb, enc->channels - 1);
             }
-            put_byte(pb, VOC_TYPE_VOICE_DATA);
-            put_le24(pb, pkt->size + 2);
-            put_byte(pb, 256 - 1000000 / enc->sample_rate);
-            put_byte(pb, format);
+            avio_w8(pb, VOC_TYPE_VOICE_DATA);
+            avio_wl24(pb, pkt->size + 2);
+            avio_w8(pb, 256 - 1000000 / enc->sample_rate);
+            avio_w8(pb, enc->codec_tag);
         }
         voc->param_written = 1;
     } else {
-        put_byte(pb, VOC_TYPE_VOICE_DATA_CONT);
-        put_le24(pb, pkt->size);
+        avio_w8(pb, VOC_TYPE_VOICE_DATA_CONT);
+        avio_wl24(pb, pkt->size);
     }
 
-    put_buffer(pb, pkt->data, pkt->size);
+    avio_write(pb, pkt->data, pkt->size);
     return 0;
 }
 
 static int voc_write_trailer(AVFormatContext *s)
 {
-    put_byte(&s->pb, 0);
+    avio_w8(s->pb, 0);
     return 0;
 }
 
-AVOutputFormat voc_muxer = {
+AVOutputFormat ff_voc_muxer = {
     "voc",
-    "Creative Voice File format",
+    NULL_IF_CONFIG_SMALL("Creative Voice file format"),
     "audio/x-voc",
     "voc",
-    sizeof(voc_enc_context_t),
+    sizeof(VocEncContext),
     CODEC_ID_PCM_U8,
     CODEC_ID_NONE,
     voc_write_header,
     voc_write_packet,
     voc_write_trailer,
+    .codec_tag=(const AVCodecTag* const []){ff_voc_codec_tags, 0},
 };