http: Expose the content location via an AVOption
[ffmpeg.git] / libavformat / soxenc.c
index 918bfad..3e5d2e3 100644 (file)
@@ -5,32 +5,35 @@
  * Based on libSoX sox-fmt.c
  * Copyright (c) 2008 robs@users.sourceforge.net
  *
- * 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
  */
 
 /**
- * SoX native format muxer
  * @file
+ * SoX native format muxer
  * @author Daniel Verkamp
- * @sa http://wiki.multimedia.cx/index.php?title=SoX_native_intermediate_format
+ * @see http://wiki.multimedia.cx/index.php?title=SoX_native_intermediate_format
  */
 
 #include "libavutil/intreadwrite.h"
+#include "libavutil/intfloat.h"
+#include "libavutil/dict.h"
 #include "avformat.h"
+#include "avio_internal.h"
 #include "sox.h"
 
 typedef struct {
@@ -40,87 +43,86 @@ typedef struct {
 static int sox_write_header(AVFormatContext *s)
 {
     SoXContext *sox = s->priv_data;
-    ByteIOContext *pb = s->pb;
+    AVIOContext *pb = s->pb;
     AVCodecContext *enc = s->streams[0]->codec;
-    AVMetadataTag *comment;
+    AVDictionaryEntry *comment;
     size_t comment_len = 0, comment_size;
 
-    comment = av_metadata_get(s->metadata, "comment", NULL, 0);
+    comment = av_dict_get(s->metadata, "comment", NULL, 0);
     if (comment)
         comment_len = strlen(comment->value);
     comment_size = (comment_len + 7) & ~7;
 
     sox->header_size = SOX_FIXED_HDR + comment_size;
 
-    if (enc->codec_id == CODEC_ID_PCM_S32LE) {
-        put_tag(pb, ".SoX");
-        put_le32(pb, sox->header_size);
-        put_le64(pb, 0); /* number of samples */
-        put_le64(pb, av_dbl2int(enc->sample_rate));
-        put_le32(pb, enc->channels);
-        put_le32(pb, comment_size);
-    } else if (enc->codec_id == CODEC_ID_PCM_S32BE) {
-        put_tag(pb, "XoS.");
-        put_be32(pb, sox->header_size);
-        put_be64(pb, 0); /* number of samples */
-        put_be64(pb, av_dbl2int(enc->sample_rate));
-        put_be32(pb, enc->channels);
-        put_be32(pb, comment_size);
+    if (enc->codec_id == AV_CODEC_ID_PCM_S32LE) {
+        ffio_wfourcc(pb, ".SoX");
+        avio_wl32(pb, sox->header_size);
+        avio_wl64(pb, 0); /* number of samples */
+        avio_wl64(pb, av_double2int(enc->sample_rate));
+        avio_wl32(pb, enc->channels);
+        avio_wl32(pb, comment_size);
+    } else if (enc->codec_id == AV_CODEC_ID_PCM_S32BE) {
+        ffio_wfourcc(pb, "XoS.");
+        avio_wb32(pb, sox->header_size);
+        avio_wb64(pb, 0); /* number of samples */
+        avio_wb64(pb, av_double2int(enc->sample_rate));
+        avio_wb32(pb, enc->channels);
+        avio_wb32(pb, comment_size);
     } else {
         av_log(s, AV_LOG_ERROR, "invalid codec; use pcm_s32le or pcm_s32be\n");
         return -1;
     }
 
     if (comment_len)
-        put_buffer(pb, comment->value, comment_len);
+        avio_write(pb, comment->value, comment_len);
 
     for ( ; comment_size > comment_len; comment_len++)
-        put_byte(pb, 0);
+        avio_w8(pb, 0);
 
-    put_flush_packet(pb);
+    avio_flush(pb);
 
     return 0;
 }
 
 static int sox_write_packet(AVFormatContext *s, AVPacket *pkt)
 {
-    ByteIOContext *pb = s->pb;
-    put_buffer(pb, pkt->data, pkt->size);
+    AVIOContext *pb = s->pb;
+    avio_write(pb, pkt->data, pkt->size);
     return 0;
 }
 
 static int sox_write_trailer(AVFormatContext *s)
 {
     SoXContext *sox = s->priv_data;
-    ByteIOContext *pb = s->pb;
+    AVIOContext *pb = s->pb;
     AVCodecContext *enc = s->streams[0]->codec;
 
-    if (!url_is_streamed(s->pb)) {
+    if (s->pb->seekable) {
         /* update number of samples */
-        int64_t file_size = url_ftell(pb);
+        int64_t file_size = avio_tell(pb);
         int64_t num_samples = (file_size - sox->header_size - 4LL) >> 2LL;
-        url_fseek(pb, 8, SEEK_SET);
-        if (enc->codec_id == CODEC_ID_PCM_S32LE) {
-            put_le64(pb, num_samples);
+        avio_seek(pb, 8, SEEK_SET);
+        if (enc->codec_id == AV_CODEC_ID_PCM_S32LE) {
+            avio_wl64(pb, num_samples);
         } else
-            put_be64(pb, num_samples);
-        url_fseek(pb, file_size, SEEK_SET);
+            avio_wb64(pb, num_samples);
+        avio_seek(pb, file_size, SEEK_SET);
 
-        put_flush_packet(pb);
+        avio_flush(pb);
     }
 
     return 0;
 }
 
-AVOutputFormat sox_muxer = {
-    "sox",
-    NULL_IF_CONFIG_SMALL("SoX native format"),
-    NULL,
-    "sox",
-    sizeof(SoXContext),
-    CODEC_ID_PCM_S32LE,
-    CODEC_ID_NONE,
-    sox_write_header,
-    sox_write_packet,
-    sox_write_trailer,
+AVOutputFormat ff_sox_muxer = {
+    .name              = "sox",
+    .long_name         = NULL_IF_CONFIG_SMALL("SoX native"),
+    .extensions        = "sox",
+    .priv_data_size    = sizeof(SoXContext),
+    .audio_codec       = AV_CODEC_ID_PCM_S32LE,
+    .video_codec       = AV_CODEC_ID_NONE,
+    .write_header      = sox_write_header,
+    .write_packet      = sox_write_packet,
+    .write_trailer     = sox_write_trailer,
 };