]> git.sesse.net Git - ffmpeg/blobdiff - libavformat/wav.c
libavformat: Rename the applehttp protocol to hls
[ffmpeg] / libavformat / wav.c
index a8312e254e254c3355c21dc78eb41f5640857aca..7b3a0f44f37cdfaa7f3fe399c4feda8fb84e19c8 100644 (file)
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/avassert.h"
+#include "libavutil/dict.h"
 #include "libavutil/log.h"
 #include "libavutil/mathematics.h"
 #include "libavutil/opt.h"
 #include "avformat.h"
+#include "internal.h"
 #include "avio_internal.h"
 #include "pcm.h"
 #include "riff.h"
 #include "avio.h"
-#include "avio_internal.h"
+#include "metadata.h"
 
 typedef struct {
     const AVClass *class;
@@ -128,7 +131,7 @@ static int wav_write_header(AVFormatContext *s)
     if (wav->write_bext)
         bwf_write_bext_chunk(s);
 
-    av_set_pts_info(s->streams[0], 64, 1, s->streams[0]->codec->sample_rate);
+    avpriv_set_pts_info(s->streams[0], 64, 1, s->streams[0]->codec->sample_rate);
     wav->maxpts = wav->last_duration = 0;
     wav->minpts = INT64_MAX;
 
@@ -191,7 +194,7 @@ static int wav_write_trailer(AVFormatContext *s)
 #define OFFSET(x) offsetof(WAVContext, x)
 #define ENC AV_OPT_FLAG_ENCODING_PARAM
 static const AVOption options[] = {
-    { "write_bext", "Write BEXT chunk.", OFFSET(write_bext), FF_OPT_TYPE_INT, { 0 }, 0, 1, ENC },
+    { "write_bext", "Write BEXT chunk.", OFFSET(write_bext), AV_OPT_TYPE_INT, { 0 }, 0, 1, ENC },
     { NULL },
 };
 
@@ -203,16 +206,16 @@ static const AVClass wav_muxer_class = {
 };
 
 AVOutputFormat ff_wav_muxer = {
-    "wav",
-    NULL_IF_CONFIG_SMALL("WAV format"),
-    "audio/x-wav",
-    "wav",
-    sizeof(WAVContext),
-    CODEC_ID_PCM_S16LE,
-    CODEC_ID_NONE,
-    wav_write_header,
-    wav_write_packet,
-    wav_write_trailer,
+    .name              = "wav",
+    .long_name         = NULL_IF_CONFIG_SMALL("WAV format"),
+    .mime_type         = "audio/x-wav",
+    .extensions        = "wav",
+    .priv_data_size    = sizeof(WAVContext),
+    .audio_codec       = CODEC_ID_PCM_S16LE,
+    .video_codec       = CODEC_ID_NONE,
+    .write_header      = wav_write_header,
+    .write_packet      = wav_write_packet,
+    .write_trailer     = wav_write_trailer,
     .codec_tag= (const AVCodecTag* const []){ff_codec_wav_tags, 0},
     .priv_class = &wav_muxer_class,
 };
@@ -221,7 +224,7 @@ AVOutputFormat ff_wav_muxer = {
 
 #if CONFIG_WAV_DEMUXER
 
-static int64_t next_tag(AVIOContext *pb, unsigned int *tag)
+static int64_t next_tag(AVIOContext *pb, uint32_t *tag)
 {
     *tag = avio_rl32(pb);
     return avio_rl32(pb);
@@ -270,7 +273,7 @@ static int wav_parse_fmt_tag(AVFormatContext *s, int64_t size, AVStream **st)
     int ret;
 
     /* parse fmt header */
-    *st = av_new_stream(s, 0);
+    *st = avformat_new_stream(s, NULL);
     if (!*st)
         return AVERROR(ENOMEM);
 
@@ -279,19 +282,109 @@ static int wav_parse_fmt_tag(AVFormatContext *s, int64_t size, AVStream **st)
         return ret;
     (*st)->need_parsing = AVSTREAM_PARSE_FULL;
 
-    av_set_pts_info(*st, 64, 1, (*st)->codec->sample_rate);
+    avpriv_set_pts_info(*st, 64, 1, (*st)->codec->sample_rate);
+
+    return 0;
+}
+
+static inline int wav_parse_bext_string(AVFormatContext *s, const char *key,
+                                        int length)
+{
+    char temp[257];
+    int ret;
+
+    av_assert0(length <= sizeof(temp));
+    if ((ret = avio_read(s->pb, temp, length)) < 0)
+        return ret;
+
+    temp[length] = 0;
+
+    if (strlen(temp))
+        return av_dict_set(&s->metadata, key, temp, 0);
 
     return 0;
 }
 
+static int wav_parse_bext_tag(AVFormatContext *s, int64_t size)
+{
+    char temp[131], *coding_history;
+    int ret, x;
+    uint64_t time_reference;
+    int64_t umid_parts[8], umid_mask = 0;
+
+    if ((ret = wav_parse_bext_string(s, "description", 256)) < 0 ||
+        (ret = wav_parse_bext_string(s, "originator", 32)) < 0 ||
+        (ret = wav_parse_bext_string(s, "originator_reference", 32)) < 0 ||
+        (ret = wav_parse_bext_string(s, "origination_date", 10)) < 0 ||
+        (ret = wav_parse_bext_string(s, "origination_time", 8)) < 0)
+        return ret;
+
+    time_reference = avio_rl64(s->pb);
+    snprintf(temp, sizeof(temp), "%"PRIu64, time_reference);
+    if ((ret = av_dict_set(&s->metadata, "time_reference", temp, 0)) < 0)
+        return ret;
+
+    /* check if version is >= 1, in which case an UMID may be present */
+    if (avio_rl16(s->pb) >= 1) {
+        for (x = 0; x < 8; x++)
+            umid_mask |= umid_parts[x] = avio_rb64(s->pb);
+
+        if (umid_mask) {
+            /* the string formatting below is per SMPTE 330M-2004 Annex C */
+            if (umid_parts[4] == 0 && umid_parts[5] == 0 && umid_parts[6] == 0 && umid_parts[7] == 0) {
+                /* basic UMID */
+                snprintf(temp, sizeof(temp), "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64,
+                         umid_parts[0], umid_parts[1], umid_parts[2], umid_parts[3]);
+            } else {
+                /* extended UMID */
+                snprintf(temp, sizeof(temp), "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64
+                                             "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64,
+                         umid_parts[0], umid_parts[1], umid_parts[2], umid_parts[3],
+                         umid_parts[4], umid_parts[5], umid_parts[6], umid_parts[7]);
+            }
+
+            if ((ret = av_dict_set(&s->metadata, "umid", temp, 0)) < 0)
+                return ret;
+        }
+
+        avio_skip(s->pb, 190);
+    } else
+        avio_skip(s->pb, 254);
+
+    if (size > 602) {
+        /* CodingHistory present */
+        size -= 602;
+
+        if (!(coding_history = av_malloc(size+1)))
+            return AVERROR(ENOMEM);
+
+        if ((ret = avio_read(s->pb, coding_history, size)) < 0)
+            return ret;
+
+        coding_history[size] = 0;
+        if ((ret = av_dict_set(&s->metadata, "coding_history", coding_history,
+                               AV_DICT_DONT_STRDUP_VAL)) < 0)
+            return ret;
+    }
+
+    return 0;
+}
+
+static const AVMetadataConv wav_metadata_conv[] = {
+    {"description",      "comment"      },
+    {"originator",       "encoded_by"   },
+    {"origination_date", "date"         },
+    {"origination_time", "creation_time"},
+    {0},
+};
+
 /* wav input */
-static int wav_read_header(AVFormatContext *s,
-                           AVFormatParameters *ap)
+static int wav_read_header(AVFormatContext *s)
 {
     int64_t size, av_uninit(data_size);
     int64_t sample_count=0;
     int rf64;
-    unsigned int tag;
+    uint32_t tag, list_type;
     AVIOContext *pb = s->pb;
     AVStream *st;
     WAVContext *wav = s->priv_data;
@@ -369,6 +462,22 @@ static int wav_read_header(AVFormatContext *s,
             if (!sample_count)
                 sample_count = avio_rl32(pb);
             break;
+        case MKTAG('b','e','x','t'):
+            if ((ret = wav_parse_bext_tag(s, size)) < 0)
+                return ret;
+            break;
+        case MKTAG('L', 'I', 'S', 'T'):
+            list_type = avio_rl32(pb);
+            if (size <= 4) {
+                av_log(s, AV_LOG_ERROR, "too short LIST");
+                return AVERROR_INVALIDDATA;
+            }
+            switch (list_type) {
+            case MKTAG('I', 'N', 'F', 'O'):
+                if ((ret = ff_read_riff_info(s, size - 4)) < 0)
+                    return ret;
+            }
+            break;
         }
 
         /* seek to next tag unless we know that we'll run into EOF */
@@ -389,6 +498,10 @@ break_loop:
         sample_count = (data_size<<3) / (st->codec->channels * (uint64_t)av_get_bits_per_sample(st->codec->codec_id));
     if (sample_count)
         st->duration = sample_count;
+
+    ff_metadata_conv_ctx(s, NULL, wav_metadata_conv);
+    ff_metadata_conv_ctx(s, NULL, ff_riff_info_conv);
+
     return 0;
 }
 
@@ -473,14 +586,13 @@ static int wav_read_seek(AVFormatContext *s,
 }
 
 AVInputFormat ff_wav_demuxer = {
-    "wav",
-    NULL_IF_CONFIG_SMALL("WAV format"),
-    sizeof(WAVContext),
-    wav_probe,
-    wav_read_header,
-    wav_read_packet,
-    NULL,
-    wav_read_seek,
+    .name           = "wav",
+    .long_name      = NULL_IF_CONFIG_SMALL("WAV format"),
+    .priv_data_size = sizeof(WAVContext),
+    .read_probe     = wav_probe,
+    .read_header    = wav_read_header,
+    .read_packet    = wav_read_packet,
+    .read_seek      = wav_read_seek,
     .flags= AVFMT_GENERIC_INDEX,
     .codec_tag= (const AVCodecTag* const []){ff_codec_wav_tags, 0},
 };
@@ -508,7 +620,7 @@ static int w64_probe(AVProbeData *p)
         return 0;
 }
 
-static int w64_read_header(AVFormatContext *s, AVFormatParameters *ap)
+static int w64_read_header(AVFormatContext *s)
 {
     int64_t size;
     AVIOContext *pb  = s->pb;
@@ -536,7 +648,7 @@ static int w64_read_header(AVFormatContext *s, AVFormatParameters *ap)
         return -1;
     }
 
-    st = av_new_stream(s, 0);
+    st = avformat_new_stream(s, NULL);
     if (!st)
         return AVERROR(ENOMEM);
 
@@ -548,7 +660,7 @@ static int w64_read_header(AVFormatContext *s, AVFormatParameters *ap)
 
     st->need_parsing = AVSTREAM_PARSE_FULL;
 
-    av_set_pts_info(st, 64, 1, st->codec->sample_rate);
+    avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
 
     size = find_guid(pb, guid_data);
     if (size < 0) {
@@ -562,14 +674,13 @@ static int w64_read_header(AVFormatContext *s, AVFormatParameters *ap)
 }
 
 AVInputFormat ff_w64_demuxer = {
-    "w64",
-    NULL_IF_CONFIG_SMALL("Sony Wave64 format"),
-    sizeof(WAVContext),
-    w64_probe,
-    w64_read_header,
-    wav_read_packet,
-    NULL,
-    wav_read_seek,
+    .name           = "w64",
+    .long_name      = NULL_IF_CONFIG_SMALL("Sony Wave64 format"),
+    .priv_data_size = sizeof(WAVContext),
+    .read_probe     = w64_probe,
+    .read_header    = w64_read_header,
+    .read_packet    = wav_read_packet,
+    .read_seek      = wav_read_seek,
     .flags = AVFMT_GENERIC_INDEX,
     .codec_tag = (const AVCodecTag* const []){ff_codec_wav_tags, 0},
 };