* GXF muxer.
* Copyright (c) 2006 SmartJog S.A., Baptiste Coudurier <baptiste dot coudurier at smartjog dot 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/intfloat_readwrite.h"
+#include "libavutil/mathematics.h"
#include "avformat.h"
#include "gxf.h"
#include "riff.h"
int64_t curpos;
int size;
- size = url_ftell(pb) - pos;
+ size = avio_tell(pb) - pos;
if (size % 4) {
gxf_write_padding(pb, 4 - size % 4);
- size = url_ftell(pb) - pos;
+ size = avio_tell(pb) - pos;
}
- curpos = url_ftell(pb);
+ curpos = avio_tell(pb);
avio_seek(pb, pos + 6, SEEK_SET);
avio_wb32(pb, size);
avio_seek(pb, curpos, SEEK_SET);
{
int64_t curpos;
- curpos = url_ftell(pb);
+ curpos = avio_tell(pb);
avio_seek(pb, pos, SEEK_SET);
avio_wb16(pb, curpos - pos - 2);
avio_seek(pb, curpos, SEEK_SET);
avio_w8(pb, sc->media_type + 0x80);
avio_w8(pb, index + 0xC0);
- pos = url_ftell(pb);
+ pos = avio_tell(pb);
avio_wb16(pb, 0); /* size */
/* media file name */
int len;
const char *filename = strrchr(s->filename, '/');
- pos = url_ftell(pb);
+ pos = avio_tell(pb);
avio_wb16(pb, 0); /* size */
/* name */
/* estimated size */
avio_w8(pb, MAT_SIZE);
avio_w8(pb, 4);
- avio_wb32(pb, url_fsize(pb) / 1024);
+ avio_wb32(pb, avio_size(pb) / 1024);
return updateSize(pb, pos);
}
int64_t pos;
int i;
- pos = url_ftell(pb);
+ pos = avio_tell(pb);
avio_wb16(pb, 0); /* size */
for (i = 0; i < s->nb_streams; ++i)
gxf_write_track_description(s, s->streams[i]->priv_data, i);
{
GXFContext *gxf = s->priv_data;
AVIOContext *pb = s->pb;
- int64_t pos = url_ftell(pb);
+ int64_t pos = avio_tell(pb);
if (!rewrite) {
if (!(gxf->map_offsets_nb % 30)) {
{
GXFContext *gxf = s->priv_data;
AVIOContext *pb = s->pb;
- int64_t pos = url_ftell(pb);
+ int64_t pos = avio_tell(pb);
int fields_per_flt = (gxf->nb_fields+1) / 1000 + 1;
int flt_entries = gxf->nb_fields / fields_per_flt;
int i = 0;
GXFContext *gxf = s->priv_data;
AVIOContext *pb = s->pb;
int timecode_base = gxf->time_base.den == 60000 ? 60 : 50;
+ int64_t timestamp = 0;
+ AVDictionaryEntry *t;
+ uint32_t timecode;
+
+#if FF_API_TIMESTAMP
+ if (s->timestamp)
+ timestamp = s->timestamp;
+ else
+#endif
+ if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
+ timestamp = ff_iso8601_to_unix_time(t->value);
// XXX drop frame
- uint32_t timecode =
+ timecode =
gxf->nb_fields / (timecode_base * 3600) % 24 << 24 | // hours
gxf->nb_fields / (timecode_base * 60) % 60 << 16 | // minutes
gxf->nb_fields / timecode_base % 60 << 8 | // seconds
avio_wl32(pb, gxf->nb_fields); /* mark out */
avio_wl32(pb, 0); /* timecode mark in */
avio_wl32(pb, timecode); /* timecode mark out */
- avio_wl64(pb, s->timestamp); /* modification time */
- avio_wl64(pb, s->timestamp); /* creation time */
+ avio_wl64(pb, timestamp); /* modification time */
+ avio_wl64(pb, timestamp); /* creation time */
avio_wl16(pb, 0); /* reserved */
avio_wl16(pb, 0); /* reserved */
avio_wl16(pb, gxf->audio_tracks);
{
AVIOContext *pb = s->pb;
GXFContext *gxf = s->priv_data;
- int64_t pos = url_ftell(pb);
+ int64_t pos = avio_tell(pb);
int i;
gxf->umf_track_offset = pos - gxf->umf_start_offset;
avio_wl16(pb, gxf->timecode_track.media_info);
avio_wl16(pb, 1);
- return url_ftell(pb) - pos;
+ return avio_tell(pb) - pos;
}
static int gxf_write_umf_media_mpeg(AVIOContext *pb, AVStream *st)
int64_t pos;
int i, j;
- pos = url_ftell(pb);
+ pos = avio_tell(pb);
gxf->umf_media_offset = pos - gxf->umf_start_offset;
for (i = 0; i <= s->nb_streams; ++i) {
GXFStreamContext *sc;
else
sc = s->streams[i]->priv_data;
- startpos = url_ftell(pb);
+ startpos = avio_tell(pb);
avio_wl16(pb, 0); /* length */
avio_wl16(pb, sc->media_info);
avio_wl16(pb, 0); /* reserved */
}
}
- curpos = url_ftell(pb);
+ curpos = avio_tell(pb);
avio_seek(pb, startpos, SEEK_SET);
avio_wl16(pb, curpos - startpos);
avio_seek(pb, curpos, SEEK_SET);
}
- return url_ftell(pb) - pos;
+ return avio_tell(pb) - pos;
}
static int gxf_write_umf_packet(AVFormatContext *s)
{
GXFContext *gxf = s->priv_data;
AVIOContext *pb = s->pb;
- int64_t pos = url_ftell(pb);
+ int64_t pos = avio_tell(pb);
gxf_write_packet_header(pb, PKT_UMF);
avio_w8(pb, 3); /* first and last (only) packet */
avio_wb32(pb, gxf->umf_length); /* data length */
- gxf->umf_start_offset = url_ftell(pb);
+ gxf->umf_start_offset = avio_tell(pb);
gxf_write_umf_payload(s);
gxf_write_umf_material_description(s);
gxf->umf_track_size = gxf_write_umf_track_description(s);
gxf->umf_media_size = gxf_write_umf_media_description(s);
- gxf->umf_length = url_ftell(pb) - gxf->umf_start_offset;
+ gxf->umf_length = avio_tell(pb) - gxf->umf_start_offset;
return updatePacketSize(pb, pos);
}
uint8_t tracks[255] = {0};
int i, media_info = 0;
- if (url_is_streamed(pb)) {
+ if (!pb->seekable) {
av_log(s, AV_LOG_ERROR, "gxf muxer does not support streamed output, patch welcome");
return -1;
}
gxf->packet_count = 3;
- put_flush_packet(pb);
+ avio_flush(pb);
return 0;
}
static int gxf_write_eos_packet(AVIOContext *pb)
{
- int64_t pos = url_ftell(pb);
+ int64_t pos = avio_tell(pb);
gxf_write_packet_header(pb, PKT_EOS);
return updatePacketSize(pb, pos);
ff_audio_interleave_close(s);
gxf_write_eos_packet(pb);
- end = url_ftell(pb);
+ end = avio_tell(pb);
avio_seek(pb, 0, SEEK_SET);
/* overwrite map, flt and umf packets with new values */
gxf_write_map_packet(s, 1);
gxf_write_flt_packet(s);
gxf_write_umf_packet(s);
- put_flush_packet(pb);
+ avio_flush(pb);
/* update duration in all map packets */
for (i = 1; i < gxf->map_offsets_nb; i++) {
avio_seek(pb, gxf->map_offsets[i], SEEK_SET);
gxf_write_map_packet(s, 1);
- put_flush_packet(pb);
+ avio_flush(pb);
}
avio_seek(pb, end, SEEK_SET);
avio_wb16(pb, size / 2);
} else if (st->codec->codec_id == CODEC_ID_MPEG2VIDEO) {
int frame_type = gxf_parse_mpeg_frame(sc, pkt->data, pkt->size);
- if (frame_type == FF_I_TYPE) {
+ if (frame_type == AV_PICTURE_TYPE_I) {
avio_w8(pb, 0x0d);
sc->iframes++;
- } else if (frame_type == FF_B_TYPE) {
+ } else if (frame_type == AV_PICTURE_TYPE_B) {
avio_w8(pb, 0x0f);
sc->bframes++;
} else {
GXFContext *gxf = s->priv_data;
AVIOContext *pb = s->pb;
AVStream *st = s->streams[pkt->stream_index];
- int64_t pos = url_ftell(pb);
+ int64_t pos = avio_tell(pb);
int padding = 0;
- int packet_start_offset = url_ftell(pb) / 1024;
+ int packet_start_offset = avio_tell(pb) / 1024;
gxf_write_packet_header(pb, PKT_MEDIA);
if (st->codec->codec_id == CODEC_ID_MPEG2VIDEO && pkt->size % 4) /* MPEG-2 frames must be padded */
gxf->packet_count = 0;
}
- put_flush_packet(pb);
+ avio_flush(pb);
return 0;
}
}
AVOutputFormat ff_gxf_muxer = {
- "gxf",
- NULL_IF_CONFIG_SMALL("GXF format"),
- NULL,
- "gxf",
- sizeof(GXFContext),
- CODEC_ID_PCM_S16LE,
- CODEC_ID_MPEG2VIDEO,
- gxf_write_header,
- gxf_write_packet,
- gxf_write_trailer,
- 0,
- NULL,
- gxf_interleave_packet,
+ .name = "gxf",
+ .long_name = NULL_IF_CONFIG_SMALL("GXF format"),
+ .extensions = "gxf",
+ .priv_data_size = sizeof(GXFContext),
+ .audio_codec = CODEC_ID_PCM_S16LE,
+ .video_codec = CODEC_ID_MPEG2VIDEO,
+ .write_header = gxf_write_header,
+ .write_packet = gxf_write_packet,
+ .write_trailer = gxf_write_trailer,
+ .interleave_packet = gxf_interleave_packet,
};
projects / ffmpeg / blobdiff