* MxPEG clip file demuxer
* Copyright (c) 2010 Anatoly Nenashev
*
- * 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/channel_layout.h"
+#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavcodec/mjpeg.h"
#include "avformat.h"
+#include "internal.h"
#include "avio.h"
-#define VIDEO_STREAM_INDEX 0
-#define AUDIO_STREAM_INDEX 1
#define DEFAULT_PACKET_SIZE 1024
#define OVERREAD_SIZE 3
unsigned int cache_size;
} MXGContext;
-static int mxg_read_header(AVFormatContext *s, AVFormatParameters *ap)
+static int mxg_read_header(AVFormatContext *s)
{
AVStream *video_st, *audio_st;
MXGContext *mxg = s->priv_data;
/* video parameters will be extracted from the compressed bitstream */
- video_st = av_new_stream(s, VIDEO_STREAM_INDEX);
+ video_st = avformat_new_stream(s, NULL);
if (!video_st)
return AVERROR(ENOMEM);
video_st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
- video_st->codec->codec_id = CODEC_ID_MXPEG;
- av_set_pts_info(video_st, 64, 1, 1000000);
+ video_st->codec->codec_id = AV_CODEC_ID_MXPEG;
+ avpriv_set_pts_info(video_st, 64, 1, 1000000);
- audio_st = av_new_stream(s, AUDIO_STREAM_INDEX);
+ audio_st = avformat_new_stream(s, NULL);
if (!audio_st)
return AVERROR(ENOMEM);
audio_st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
- audio_st->codec->codec_id = CODEC_ID_PCM_ALAW;
+ audio_st->codec->codec_id = AV_CODEC_ID_PCM_ALAW;
audio_st->codec->channels = 1;
+ audio_st->codec->channel_layout = AV_CH_LAYOUT_MONO;
audio_st->codec->sample_rate = 8000;
audio_st->codec->bits_per_coded_sample = 8;
audio_st->codec->block_align = 1;
- av_set_pts_info(audio_st, 64, 1, 1000000);
+ avpriv_set_pts_info(audio_st, 64, 1, 1000000);
mxg->soi_ptr = mxg->buffer_ptr = mxg->buffer = 0;
mxg->buffer_size = 0;
if (mxg->soi_ptr) mxg->soi_ptr = mxg->buffer + soi_pos;
/* get data */
- ret = get_buffer(s->pb, mxg->buffer_ptr + mxg->cache_size,
+ ret = avio_read(s->pb, mxg->buffer_ptr + mxg->cache_size,
cache_size - mxg->cache_size);
if (ret < 0)
return ret;
uint8_t *startmarker_ptr, *end, *search_end, marker;
MXGContext *mxg = s->priv_data;
- while (!url_feof(s->pb) && !url_ferror(s->pb)){
+ while (!s->pb->eof_reached && !s->pb->error){
if (mxg->cache_size <= OVERREAD_SIZE) {
/* update internal buffer */
ret = mxg_update_cache(s, DEFAULT_PACKET_SIZE + OVERREAD_SIZE);
}
pkt->pts = pkt->dts = mxg->dts;
- pkt->stream_index = VIDEO_STREAM_INDEX;
+ pkt->stream_index = 0;
+#if FF_API_DESTRUCT_PACKET
+FF_DISABLE_DEPRECATION_WARNINGS
pkt->destruct = NULL;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ pkt->buf = NULL;
pkt->size = mxg->buffer_ptr - mxg->soi_ptr;
pkt->data = mxg->soi_ptr;
if (marker == APP13 && size >= 16) { /* audio data */
/* time (GMT) of first sample in usec since 1970, little-endian */
pkt->pts = pkt->dts = AV_RL64(startmarker_ptr + 8);
- pkt->stream_index = AUDIO_STREAM_INDEX;
+ pkt->stream_index = 1;
+#if FF_API_DESTRUCT_PACKET
+FF_DISABLE_DEPRECATION_WARNINGS
pkt->destruct = NULL;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ pkt->buf = NULL;
pkt->size = size - 14;
pkt->data = startmarker_ptr + 16;
return 0;
}
-AVInputFormat mxg_demuxer = {
- .name = "mxg",
- .long_name = NULL_IF_CONFIG_SMALL("MxPEG clip file format"),
+AVInputFormat ff_mxg_demuxer = {
+ .name = "mxg",
+ .long_name = NULL_IF_CONFIG_SMALL("MxPEG clip"),
.priv_data_size = sizeof(MXGContext),
- .read_header = mxg_read_header,
- .read_packet = mxg_read_packet,
- .read_close = mxg_close,
- .extensions = "mxg"
+ .read_header = mxg_read_header,
+ .read_packet = mxg_read_packet,
+ .read_close = mxg_close,
+ .extensions = "mxg",
};