cllc: Implement ARGB support
[ffmpeg.git] / libavformat / soxdec.c
index f6389ca..ec94675 100644 (file)
@@ -5,33 +5,36 @@
  * 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
  */
 
 /**
+ * @file
  * SoX native format demuxer
- * @file libavformat/soxdec.c
  * @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 "raw.h"
+#include "internal.h"
+#include "pcm.h"
 #include "sox.h"
 
 static int sox_probe(AVProbeData *p)
@@ -41,34 +44,33 @@ static int sox_probe(AVProbeData *p)
     return 0;
 }
 
-static int sox_read_header(AVFormatContext *s,
-                           AVFormatParameters *ap)
+static int sox_read_header(AVFormatContext *s)
 {
-    ByteIOContext *pb = s->pb;
+    AVIOContext *pb = s->pb;
     unsigned header_size, comment_size;
     double sample_rate, sample_rate_frac;
     AVStream *st;
 
-    st = av_new_stream(s, 0);
+    st = avformat_new_stream(s, NULL);
     if (!st)
         return AVERROR(ENOMEM);
 
-    st->codec->codec_type = CODEC_TYPE_AUDIO;
+    st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
 
-    if (get_le32(pb) == SOX_TAG) {
-        st->codec->codec_id = CODEC_ID_PCM_S32LE;
-        header_size         = get_le32(pb);
-        url_fskip(pb, 8); /* sample count */
-        sample_rate         = av_int2dbl(get_le64(pb));
-        st->codec->channels = get_le32(pb);
-        comment_size        = get_le32(pb);
+    if (avio_rl32(pb) == SOX_TAG) {
+        st->codec->codec_id = AV_CODEC_ID_PCM_S32LE;
+        header_size         = avio_rl32(pb);
+        avio_skip(pb, 8); /* sample count */
+        sample_rate         = av_int2double(avio_rl64(pb));
+        st->codec->channels = avio_rl32(pb);
+        comment_size        = avio_rl32(pb);
     } else {
-        st->codec->codec_id = CODEC_ID_PCM_S32BE;
-        header_size         = get_be32(pb);
-        url_fskip(pb, 8); /* sample count */
-        sample_rate         = av_int2dbl(get_be64(pb));
-        st->codec->channels = get_be32(pb);
-        comment_size        = get_be32(pb);
+        st->codec->codec_id = AV_CODEC_ID_PCM_S32BE;
+        header_size         = avio_rb32(pb);
+        avio_skip(pb, 8); /* sample count */
+        sample_rate         = av_int2double(avio_rb64(pb));
+        st->codec->channels = avio_rb32(pb);
+        comment_size        = avio_rb32(pb);
     }
 
     if (comment_size > 0xFFFFFFFFU - SOX_FIXED_HDR - 4U) {
@@ -93,21 +95,21 @@ static int sox_read_header(AVFormatContext *s,
         return -1;
     }
 
-    if (comment_size &&
-        comment_size + FF_INPUT_BUFFER_PADDING_SIZE >= comment_size) {
-        char *comment = av_mallocz(comment_size + FF_INPUT_BUFFER_PADDING_SIZE);
-        if (get_buffer(pb, comment, comment_size) != comment_size) {
+    if (comment_size && comment_size < UINT_MAX) {
+        char *comment = av_malloc(comment_size+1);
+        if (avio_read(pb, comment, comment_size) != comment_size) {
             av_freep(&comment);
-            return AVERROR_IO;
+            return AVERROR(EIO);
         }
-        av_metadata_set(&s->metadata, "comment", comment);
-        av_freep(&comment);
+        comment[comment_size] = 0;
+
+        av_dict_set(&s->metadata, "comment", comment,
+                               AV_DICT_DONT_STRDUP_VAL);
     }
 
-    url_fskip(pb, header_size - SOX_FIXED_HDR - comment_size);
+    avio_skip(pb, header_size - SOX_FIXED_HDR - comment_size);
 
     st->codec->sample_rate           = sample_rate;
-    st->codec->sample_fmt            = SAMPLE_FMT_S32;
     st->codec->bits_per_coded_sample = 32;
     st->codec->bit_rate              = st->codec->sample_rate *
                                        st->codec->bits_per_coded_sample *
@@ -115,7 +117,7 @@ static int sox_read_header(AVFormatContext *s,
     st->codec->block_align           = st->codec->bits_per_coded_sample *
                                        st->codec->channels / 8;
 
-    av_set_pts_info(st, 64, 1, st->codec->sample_rate);
+    avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
 
     return 0;
 }
@@ -127,7 +129,7 @@ static int sox_read_packet(AVFormatContext *s,
 {
     int ret, size;
 
-    if (url_feof(s->pb))
+    if (s->pb->eof_reached)
         return AVERROR_EOF;
 
     size = SOX_SAMPLES*s->streams[0]->codec->block_align;
@@ -140,13 +142,11 @@ static int sox_read_packet(AVFormatContext *s,
     return 0;
 }
 
-AVInputFormat sox_demuxer = {
-    "sox",
-    NULL_IF_CONFIG_SMALL("SoX native format"),
-    0,
-    sox_probe,
-    sox_read_header,
-    sox_read_packet,
-    NULL,
-    pcm_read_seek,
+AVInputFormat ff_sox_demuxer = {
+    .name           = "sox",
+    .long_name      = NULL_IF_CONFIG_SMALL("SoX native"),
+    .read_probe     = sox_probe,
+    .read_header    = sox_read_header,
+    .read_packet    = sox_read_packet,
+    .read_seek      = ff_pcm_read_seek,
 };