* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avformat.h"
-#include "allformats.h"
+#include "raw.h"
#include "riff.h"
typedef struct {
- offset_t atrpos, atsqpos, awapos;
- offset_t data_size;
+ int64_t atrpos, atsqpos, awapos;
+ int64_t data_size;
} MMFContext;
-static int mmf_rates[] = { 4000, 8000, 11025, 22050, 44100 };
+static const int mmf_rates[] = { 4000, 8000, 11025, 22050, 44100 };
+static int mmf_rate(int code)
+{
+ if((code < 0) || (code > 4))
+ return -1;
+ return mmf_rates[code];
+}
+
+#if CONFIG_MMF_MUXER
static int mmf_rate_code(int rate)
{
int i;
return -1;
}
-static int mmf_rate(int code)
-{
- if((code < 0) || (code > 4))
- return -1;
- return mmf_rates[code];
-}
-
-#ifdef CONFIG_MUXERS
/* Copy of end_tag() from avienc.c, but for big-endian chunk size */
-static void end_tag_be(ByteIOContext *pb, offset_t start)
+static void end_tag_be(ByteIOContext *pb, int64_t start)
{
- offset_t pos;
+ int64_t pos;
pos = url_ftell(pb);
url_fseek(pb, start - 4, SEEK_SET);
static int mmf_write_header(AVFormatContext *s)
{
MMFContext *mmf = s->priv_data;
- ByteIOContext *pb = &s->pb;
- offset_t pos;
+ ByteIOContext *pb = s->pb;
+ int64_t pos;
int rate;
rate = mmf_rate_code(s->streams[0]->codec->sample_rate);
static int mmf_write_packet(AVFormatContext *s, AVPacket *pkt)
{
- ByteIOContext *pb = &s->pb;
+ ByteIOContext *pb = s->pb;
put_buffer(pb, pkt->data, pkt->size);
return 0;
}
static int mmf_write_trailer(AVFormatContext *s)
{
- ByteIOContext *pb = &s->pb;
+ ByteIOContext *pb = s->pb;
MMFContext *mmf = s->priv_data;
- offset_t pos, size;
+ int64_t pos, size;
int gatetime;
- if (!url_is_streamed(&s->pb)) {
+ if (!url_is_streamed(s->pb)) {
/* Fill in length fields */
end_tag_be(pb, mmf->awapos);
end_tag_be(pb, mmf->atrpos);
}
return 0;
}
-#endif //CONFIG_MUXERS
+#endif /* CONFIG_MMF_MUXER */
static int mmf_probe(AVProbeData *p)
{
{
MMFContext *mmf = s->priv_data;
unsigned int tag;
- ByteIOContext *pb = &s->pb;
+ ByteIOContext *pb = s->pb;
AVStream *st;
- offset_t file_size, size;
+ int64_t file_size, size;
int rate, params;
tag = get_le32(pb);
st = av_new_stream(s, 0);
if (!st)
- return AVERROR_NOMEM;
+ return AVERROR(ENOMEM);
st->codec->codec_type = CODEC_TYPE_AUDIO;
st->codec->codec_id = CODEC_ID_ADPCM_YAMAHA;
st->codec->sample_rate = rate;
st->codec->channels = 1;
- st->codec->bits_per_sample = 4;
- st->codec->bit_rate = st->codec->sample_rate * st->codec->bits_per_sample;
+ st->codec->bits_per_coded_sample = 4;
+ st->codec->bit_rate = st->codec->sample_rate * st->codec->bits_per_coded_sample;
av_set_pts_info(st, 64, 1, st->codec->sample_rate);
AVStream *st;
int ret, size;
- if (url_feof(&s->pb))
- return AVERROR_IO;
+ if (url_feof(s->pb))
+ return AVERROR(EIO);
st = s->streams[0];
size = MAX_SIZE;
size = mmf->data_size;
if(!size)
- return AVERROR_IO;
+ return AVERROR(EIO);
if (av_new_packet(pkt, size))
- return AVERROR_IO;
+ return AVERROR(EIO);
pkt->stream_index = 0;
- ret = get_buffer(&s->pb, pkt->data, pkt->size);
+ ret = get_buffer(s->pb, pkt->data, pkt->size);
if (ret < 0)
av_free_packet(pkt);
return ret;
}
-static int mmf_read_close(AVFormatContext *s)
-{
- return 0;
-}
-
-static int mmf_read_seek(AVFormatContext *s,
- int stream_index, int64_t timestamp, int flags)
-{
- return pcm_read_seek(s, stream_index, timestamp, flags);
-}
-
-#ifdef CONFIG_MMF_DEMUXER
+#if CONFIG_MMF_DEMUXER
AVInputFormat mmf_demuxer = {
"mmf",
- "mmf format",
+ NULL_IF_CONFIG_SMALL("mmf format"),
sizeof(MMFContext),
mmf_probe,
mmf_read_header,
mmf_read_packet,
- mmf_read_close,
- mmf_read_seek,
+ NULL,
+ pcm_read_seek,
};
#endif
-#ifdef CONFIG_MMF_MUXER
+#if CONFIG_MMF_MUXER
AVOutputFormat mmf_muxer = {
"mmf",
- "mmf format",
+ NULL_IF_CONFIG_SMALL("mmf format"),
"application/vnd.smaf",
"mmf",
sizeof(MMFContext),