* Copyright (c) 2010 Peter Ross <pross@xvid.org>
* Copyright (c) 2010 Sebastian Vater <cdgs.basty@googlemail.com>
*
- * 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
*/
*/
#include "libavutil/intreadwrite.h"
-#include "libavcodec/iff.h"
+#include "libavutil/dict.h"
#include "avformat.h"
#define ID_8SVX MKTAG('8','S','V','X')
if (!buf)
return AVERROR(ENOMEM);
- if (get_buffer(s->pb, buf, data_size) < 0) {
+ if (avio_read(s->pb, buf, data_size) < 0) {
av_free(buf);
return AVERROR(EIO);
}
buf[data_size] = 0;
- av_metadata_set2(&s->metadata, tag, buf, AV_METADATA_DONT_STRDUP_VAL);
+ av_dict_set(&s->metadata, tag, buf, AV_DICT_DONT_STRDUP_VAL);
return 0;
}
AVFormatParameters *ap)
{
IffDemuxContext *iff = s->priv_data;
- ByteIOContext *pb = s->pb;
+ AVIOContext *pb = s->pb;
AVStream *st;
uint32_t chunk_id, data_size;
int compression = -1;
return AVERROR(ENOMEM);
st->codec->channels = 1;
- url_fskip(pb, 8);
+ avio_skip(pb, 8);
// codec_tag used by ByteRun1 decoder to distinguish progressive (PBM) and interlaced (ILBM) content
- st->codec->codec_tag = get_le32(pb);
+ st->codec->codec_tag = avio_rl32(pb);
- while(!url_feof(pb)) {
+ while(!pb->eof_reached) {
uint64_t orig_pos;
int res;
const char *metadata_tag = NULL;
- chunk_id = get_le32(pb);
- data_size = get_be32(pb);
- orig_pos = url_ftell(pb);
+ chunk_id = avio_rl32(pb);
+ data_size = avio_rb32(pb);
+ orig_pos = avio_tell(pb);
switch(chunk_id) {
case ID_VHDR:
if (data_size < 14)
return AVERROR_INVALIDDATA;
- url_fskip(pb, 12);
- st->codec->sample_rate = get_be16(pb);
+ avio_skip(pb, 12);
+ st->codec->sample_rate = avio_rb16(pb);
if (data_size >= 16) {
- url_fskip(pb, 1);
- compression = get_byte(pb);
+ avio_skip(pb, 1);
+ compression = avio_r8(pb);
}
break;
case ID_BODY:
- iff->body_pos = url_ftell(pb);
+ iff->body_pos = avio_tell(pb);
iff->body_size = data_size;
break;
case ID_CHAN:
if (data_size < 4)
return AVERROR_INVALIDDATA;
- st->codec->channels = (get_be32(pb) < 6) ? 1 : 2;
+ st->codec->channels = (avio_rb32(pb) < 6) ? 1 : 2;
break;
case ID_CMAP:
st->codec->extradata = av_malloc(data_size);
if (!st->codec->extradata)
return AVERROR(ENOMEM);
- if (get_buffer(pb, st->codec->extradata, data_size) < 0)
+ if (avio_read(pb, st->codec->extradata, data_size) < 0)
return AVERROR(EIO);
break;
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
if (data_size <= 8)
return AVERROR_INVALIDDATA;
- st->codec->width = get_be16(pb);
- st->codec->height = get_be16(pb);
- url_fskip(pb, 4); // x, y offset
- st->codec->bits_per_coded_sample = get_byte(pb);
+ st->codec->width = avio_rb16(pb);
+ st->codec->height = avio_rb16(pb);
+ avio_skip(pb, 4); // x, y offset
+ st->codec->bits_per_coded_sample = avio_r8(pb);
if (data_size >= 11) {
- url_fskip(pb, 1); // masking
- compression = get_byte(pb);
+ avio_skip(pb, 1); // masking
+ compression = avio_r8(pb);
}
if (data_size >= 16) {
- url_fskip(pb, 3); // paddding, transparent
- st->sample_aspect_ratio.num = get_byte(pb);
- st->sample_aspect_ratio.den = get_byte(pb);
+ avio_skip(pb, 3); // paddding, transparent
+ st->sample_aspect_ratio.num = avio_r8(pb);
+ st->sample_aspect_ratio.den = avio_r8(pb);
}
break;
if (metadata_tag) {
if ((res = get_metadata(s, metadata_tag, data_size)) < 0) {
- av_log(s, AV_LOG_ERROR, "iff: cannot allocate metadata tag %s!", metadata_tag);
+ av_log(s, AV_LOG_ERROR, "cannot allocate metadata tag %s!", metadata_tag);
return res;
}
}
- url_fskip(pb, data_size - (url_ftell(pb) - orig_pos) + (data_size & 1));
+ avio_skip(pb, data_size - (avio_tell(pb) - orig_pos) + (data_size & 1));
}
- url_fseek(pb, iff->body_pos, SEEK_SET);
+ avio_seek(pb, iff->body_pos, SEEK_SET);
switch(st->codec->codec_type) {
case AVMEDIA_TYPE_AUDIO:
st->codec->codec_id = CODEC_ID_8SVX_EXP;
break;
default:
- av_log(s, AV_LOG_ERROR, "iff: unknown compression method\n");
+ av_log(s, AV_LOG_ERROR, "unknown compression method\n");
return -1;
}
case AVMEDIA_TYPE_VIDEO:
switch (compression) {
case BITMAP_RAW:
- if (st->codec->codec_tag == ID_ILBM) {
- st->codec->codec_id = CODEC_ID_IFF_ILBM;
- } else {
- st->codec->codec_id = CODEC_ID_RAWVIDEO;
- st->codec->pix_fmt = PIX_FMT_PAL8;
- st->codec->codec_tag = 0;
- }
+ st->codec->codec_id = CODEC_ID_IFF_ILBM;
break;
case BITMAP_BYTERUN1:
st->codec->codec_id = CODEC_ID_IFF_BYTERUN1;
AVPacket *pkt)
{
IffDemuxContext *iff = s->priv_data;
- ByteIOContext *pb = s->pb;
+ AVIOContext *pb = s->pb;
AVStream *st = s->streams[0];
int ret;
if(iff->sent_bytes >= iff->body_size)
return AVERROR(EIO);
- if(s->streams[0]->codec->channels == 2) {
+ if(st->codec->channels == 2) {
uint8_t sample_buffer[PACKET_SIZE];
- ret = get_buffer(pb, sample_buffer, PACKET_SIZE);
+ ret = avio_read(pb, sample_buffer, PACKET_SIZE);
if(av_new_packet(pkt, PACKET_SIZE) < 0) {
- av_log(s, AV_LOG_ERROR, "iff: cannot allocate packet \n");
+ av_log(s, AV_LOG_ERROR, "cannot allocate packet\n");
return AVERROR(ENOMEM);
}
interleave_stereo(sample_buffer, pkt->data, PACKET_SIZE);
- } else if (s->streams[0]->codec->codec_id == CODEC_ID_RAWVIDEO) {
- if(av_new_packet(pkt, iff->body_size + AVPALETTE_SIZE) < 0) {
- return AVERROR(ENOMEM);
- }
-
- ret = ff_cmap_read_palette(st->codec, (uint32_t*)(pkt->data + iff->body_size));
- if (ret < 0)
- return ret;
- av_freep(&st->codec->extradata);
- st->codec->extradata_size = 0;
-
- ret = get_buffer(pb, pkt->data, iff->body_size);
- } else if (s->streams[0]->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
+ } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
ret = av_get_packet(pb, pkt, iff->body_size);
} else {
ret = av_get_packet(pb, pkt, PACKET_SIZE);
if(iff->sent_bytes == 0)
pkt->flags |= AV_PKT_FLAG_KEY;
- if(s->streams[0]->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
+ if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
iff->sent_bytes += PACKET_SIZE;
} else {
iff->sent_bytes = iff->body_size;
}
pkt->stream_index = 0;
- if(s->streams[0]->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
+ if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
pkt->pts = iff->audio_frame_count;
- iff->audio_frame_count += ret / s->streams[0]->codec->channels;
+ iff->audio_frame_count += ret / st->codec->channels;
}
return ret;
}
-AVInputFormat iff_demuxer = {
- "IFF",
- NULL_IF_CONFIG_SMALL("IFF format"),
- sizeof(IffDemuxContext),
- iff_probe,
- iff_read_header,
- iff_read_packet,
+AVInputFormat ff_iff_demuxer = {
+ .name = "IFF",
+ .long_name = NULL_IF_CONFIG_SMALL("IFF format"),
+ .priv_data_size = sizeof(IffDemuxContext),
+ .read_probe = iff_probe,
+ .read_header = iff_read_header,
+ .read_packet = iff_read_packet,
};