* 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.h"
+#include "libavutil/mathematics.h"
#include "avformat.h"
+#include "internal.h"
#include "gxf.h"
#include "riff.h"
#include "audiointerleave.h"
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 (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);
static int gxf_write_umf_media_audio(AVIOContext *pb, GXFStreamContext *sc)
{
- avio_wl64(pb, av_dbl2int(1)); /* sound level to begin to */
- avio_wl64(pb, av_dbl2int(1)); /* sound level to begin to */
+ avio_wl64(pb, av_double2int(1)); /* sound level to begin to */
+ avio_wl64(pb, av_double2int(1)); /* sound level to begin to */
avio_wl32(pb, 0); /* number of fields over which to ramp up sound level */
avio_wl32(pb, 0); /* number of fields over which to ramp down sound level */
avio_wl32(pb, 0); /* reserved */
return 32;
}
-#if 0
-static int gxf_write_umf_media_mjpeg(AVIOContext *pb, GXFStreamContext *sc)
-{
- avio_wb64(pb, 0); /* FIXME FLOAT max chroma quant level */
- avio_wb64(pb, 0); /* FIXME FLOAT max luma quant level */
- avio_wb64(pb, 0); /* FIXME FLOAT min chroma quant level */
- avio_wb64(pb, 0); /* FIXME FLOAT min luma quant level */
- return 32;
-}
-#endif
-
static int gxf_write_umf_media_description(AVFormatContext *s)
{
GXFContext *gxf = s->priv_data;
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;
}
}
sc->track_type = 2;
sc->sample_rate = st->codec->sample_rate;
- av_set_pts_info(st, 64, 1, sc->sample_rate);
+ avpriv_set_pts_info(st, 64, 1, sc->sample_rate);
sc->sample_size = 16;
sc->frame_rate_index = -2;
sc->lines_index = -2;
"gxf muxer only accepts PAL or NTSC resolutions currently\n");
return -1;
}
- av_set_pts_info(st, 64, gxf->time_base.num, gxf->time_base.den);
+ avpriv_set_pts_info(st, 64, gxf->time_base.num, gxf->time_base.den);
if (gxf_find_lines_index(st) < 0)
sc->lines_index = -1;
sc->sample_size = st->codec->bit_rate;
gxf->packet_count = 3;
- put_flush_packet(pb);
+ avio_flush(pb);
return 0;
}
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 {
gxf->packet_count = 0;
}
- put_flush_packet(pb);
+ avio_flush(pb);
return 0;
}
if (pkt && s->streams[pkt->stream_index]->codec->codec_type == AVMEDIA_TYPE_VIDEO)
pkt->duration = 2; // enforce 2 fields
return ff_audio_rechunk_interleave(s, out, pkt, flush,
- av_interleave_packet_per_dts, gxf_compare_field_nb);
+ ff_interleave_packet_per_dts, gxf_compare_field_nb);
}
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