* Copyright (c) 2008 GUCAS, Zhentan Feng <spyfeng at gmail dot com>
* Copyright (c) 2008 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <math.h>
#include <time.h>
+#include "libavutil/opt.h"
#include "libavutil/random_seed.h"
+#include "libavutil/timecode.h"
+#include "libavutil/avassert.h"
#include "libavcodec/bytestream.h"
+#include "libavcodec/dnxhddata.h"
#include "audiointerleave.h"
#include "avformat.h"
#include "internal.h"
#include "mxf.h"
+#include "config.h"
-static const int NTSC_samples_per_frame[] = { 1602, 1601, 1602, 1601, 1602, 0 };
-static const int PAL_samples_per_frame[] = { 1920, 0 };
+static const int NTSC_samples_per_frame[] = { 1602, 1601, 1602, 1601, 1602, 0 };
+static const int NTSC_60_samples_per_frame[] = { 801, 801, 801, 801, 800, 0 };
+static const int PAL_samples_per_frame[] = { 1920, 0 };
+static const int PAL_50_samples_per_frame[] = { 960, 0 };
extern AVOutputFormat ff_mxf_d10_muxer;
const UID *codec_ul;
int order; ///< interleaving order if dts are equal
int interlaced; ///< whether picture is interlaced
+ int field_dominance; ///< tff=1, bff=2
+ int component_depth;
int temporal_reordering;
AVRational aspect_ratio; ///< display aspect ratio
int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
{ CODEC_ID_MPEG2VIDEO, 0 },
{ CODEC_ID_PCM_S24LE, 1 },
{ CODEC_ID_PCM_S16LE, 1 },
+ { CODEC_ID_DVVIDEO, 15 },
+ { CODEC_ID_DNXHD, 24 },
{ CODEC_ID_NONE }
};
{ 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
mxf_write_generic_sound_desc },
+ // DV Unknwon
+ { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
+ { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
+ mxf_write_cdci_desc },
+ // DV25 525/60
+ { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 },
+ { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 },
+ mxf_write_cdci_desc },
+ // DV25 625/50
+ { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 },
+ { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 },
+ mxf_write_cdci_desc },
+ // DV50 525/60
+ { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 },
+ { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 },
+ mxf_write_cdci_desc },
+ // DV50 625/50
+ { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 },
+ { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 },
+ mxf_write_cdci_desc },
+ // DV100 1080/60
+ { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 },
+ { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 },
+ mxf_write_cdci_desc },
+ // DV100 1080/50
+ { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 },
+ { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 },
+ mxf_write_cdci_desc },
+ // DV100 720/60
+ { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 },
+ { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 },
+ mxf_write_cdci_desc },
+ // DV100 720/50
+ { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 },
+ { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 },
+ mxf_write_cdci_desc },
+ // DNxHD 1080p 10bit high
+ { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
+ mxf_write_cdci_desc },
+ // DNxHD 1080p 8bit medium
+ { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 },
+ mxf_write_cdci_desc },
+ // DNxHD 1080p 8bit high
+ { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 },
+ mxf_write_cdci_desc },
+ // DNxHD 1080i 10bit high
+ { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 },
+ mxf_write_cdci_desc },
+ // DNxHD 1080i 8bit medium
+ { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 },
+ mxf_write_cdci_desc },
+ // DNxHD 1080i 8bit high
+ { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 },
+ mxf_write_cdci_desc },
+ // DNxHD 720p 10bit
+ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
+ { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
+ { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 },
+ mxf_write_cdci_desc },
+ // DNxHD 720p 8bit high
+ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
+ { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
+ { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 },
+ mxf_write_cdci_desc },
+ // DNxHD 720p 8bit medium
+ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
+ { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
+ { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 },
+ mxf_write_cdci_desc },
+ // DNxHD 720p 8bit low
+ { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
+ { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
+ { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 },
+ mxf_write_cdci_desc },
{ { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
{ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
{ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
};
typedef struct MXFContext {
+ AVClass *av_class;
int64_t footer_partition_offset;
int essence_container_count;
AVRational time_base;
unsigned body_partitions_count;
int last_key_index; ///< index of last key frame
uint64_t duration;
+ AVTimecode tc; ///< timecode context
AVStream *timecode_track;
int timecode_base; ///< rounded time code base (25 or 30)
- int timecode_start; ///< frame number computed from mpeg-2 gop header timecode
- int timecode_drop_frame; ///< time code use drop frame method frop mpeg-2 essence gop header
int edit_unit_byte_count; ///< fixed edit unit byte count
uint64_t body_offset;
uint32_t instance_number;
{ 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
{ 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
{ 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
+ { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
// CDCI Picture Essence Descriptor
{ 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
{ 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
{
MXFContext *mxf = s->priv_data;
AVIOContext *pb = s->pb;
- const char *company = "Libav";
+ const char *company = "FFmpeg";
const char *product = "OP1a Muxer";
const char *version;
int length;
// Start Time Code
mxf_write_local_tag(pb, 8, 0x1501);
- avio_wb64(pb, mxf->timecode_start);
+ avio_wb64(pb, mxf->tc.start);
// Rounded Time Code Base
mxf_write_local_tag(pb, 2, 0x1502);
// Drop Frame
mxf_write_local_tag(pb, 1, 0x1503);
- avio_w8(pb, mxf->timecode_drop_frame);
+ avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
}
static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
int stored_height = (st->codec->height+15)/16*16;
int display_height;
int f1, f2;
+ unsigned desc_size = size+8+8+8+8+8+8+5+16+sc->interlaced*4+12+20;
+ if (sc->interlaced && sc->field_dominance)
+ desc_size += 5;
- mxf_write_generic_desc(s, st, key, size+8+8+8+8+8+8+5+16+sc->interlaced*4+12+20);
+ mxf_write_generic_desc(s, st, key, desc_size);
mxf_write_local_tag(pb, 4, 0x3203);
avio_wb32(pb, st->codec->width);
// component depth
mxf_write_local_tag(pb, 4, 0x3301);
- avio_wb32(pb, 8);
+ avio_wb32(pb, sc->component_depth);
// horizontal subsampling
mxf_write_local_tag(pb, 4, 0x3302);
// video line map
switch (st->codec->height) {
- case 576: f1 = 23; f2 = 336; break;
+ case 576: f1 = 23; f2 = st->codec->codec_id == CODEC_ID_DVVIDEO ? 335 : 336; break;
case 608: f1 = 7; f2 = 320; break;
- case 480: f1 = 20; f2 = 283; break;
+ case 480: f1 = 20; f2 = st->codec->codec_id == CODEC_ID_DVVIDEO ? 285 : 283; break;
case 512: f1 = 7; f2 = 270; break;
case 720: f1 = 26; f2 = 0; break; // progressive
case 1080: f1 = 21; f2 = 584; break;
mxf_write_local_tag(pb, 16, 0x3201);
avio_write(pb, *sc->codec_ul, 16);
+
+ if (sc->interlaced && sc->field_dominance) {
+ mxf_write_local_tag(pb, 1, 0x3212);
+ avio_w8(pb, sc->field_dominance);
+ }
+
}
static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
klv_encode_ber4_length(s->pb, pad);
for (; pad; pad--)
avio_w8(s->pb, 0);
- assert(!(avio_tell(s->pb) & (KAG_SIZE-1)));
+ av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
}
}
avio_flush(pb);
}
+static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st,
+AVPacket *pkt)
+{
+ MXFContext *mxf = s->priv_data;
+ MXFStreamContext *sc = st->priv_data;
+ int i, cid;
+ uint8_t* header_cid;
+ unsigned int frame_size = 0;
+
+ if (mxf->header_written)
+ return 1;
+
+ if (pkt->size < 43)
+ return -1;
+
+ header_cid = pkt->data + 0x28;
+ cid = header_cid[0] << 24 | header_cid[1] << 16 | header_cid[2] << 8 | header_cid[3];
+
+ if ((i = ff_dnxhd_get_cid_table(cid)) < 0)
+ return -1;
+
+ switch (cid) {
+ case 1235:
+ sc->index = 24;
+ sc->component_depth = 10;
+ break;
+ case 1237:
+ sc->index = 25;
+ break;
+ case 1238:
+ sc->index = 26;
+ break;
+ case 1241:
+ sc->index = 27;
+ sc->component_depth = 10;
+ break;
+ case 1242:
+ sc->index = 28;
+ break;
+ case 1243:
+ sc->index = 29;
+ break;
+ case 1250:
+ sc->index = 30;
+ sc->component_depth = 10;
+ break;
+ case 1251:
+ sc->index = 31;
+ break;
+ case 1252:
+ sc->index = 32;
+ break;
+ case 1253:
+ sc->index = 33;
+ break;
+ default:
+ return -1;
+ }
+
+ frame_size = ff_dnxhd_cid_table[i].frame_size;
+ sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
+ sc->aspect_ratio = (AVRational){ 16, 9 };
+
+ mxf->edit_unit_byte_count = KAG_SIZE;
+ for (i = 0; i < s->nb_streams; i++) {
+ AVStream *st = s->streams[i];
+ MXFStreamContext *sc = st->priv_data;
+ if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
+ mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
+ mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
+ } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
+ mxf->edit_unit_byte_count += 16 + 4 + frame_size;
+ mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
+ }
+ }
+
+ return 1;
+}
+
+static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
+{
+ MXFContext *mxf = s->priv_data;
+ MXFStreamContext *sc = st->priv_data;
+ uint8_t *vs_pack, *vsc_pack;
+ int i, ul_index, frame_size, stype, pal;
+
+ if (mxf->header_written)
+ return 1;
+
+ // Check for minimal frame size
+ if (pkt->size < 120000)
+ return -1;
+
+ vs_pack = pkt->data + 80*5 + 48;
+ vsc_pack = pkt->data + 80*5 + 53;
+ stype = vs_pack[3] & 0x1f;
+ pal = (vs_pack[3] >> 5) & 0x1;
+
+ if ((vs_pack[2] & 0x07) == 0x02)
+ sc->aspect_ratio = (AVRational){ 16, 9 };
+ else
+ sc->aspect_ratio = (AVRational){ 4, 3 };
+
+ sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
+ // TODO: fix dv encoder to set proper FF/FS value in VSC pack
+ // and set field dominance accordingly
+ // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
+
+ switch (stype) {
+ case 0x18: // DV100 720p
+ ul_index = 6 + pal;
+ frame_size = pal ? 288000 : 240000;
+ if (sc->interlaced) {
+ av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive");
+ sc->interlaced = 0;
+ }
+ break;
+ case 0x14: // DV100 1080i
+ ul_index = 4 + pal;
+ frame_size = pal ? 576000 : 480000;
+ break;
+ case 0x04: // DV50
+ ul_index = 2 + pal;
+ frame_size = pal ? 288000 : 240000;
+ break;
+ default: // DV25
+ ul_index = 0 + pal;
+ frame_size = pal ? 144000 : 120000;
+ }
+
+ sc->index = ul_index + 16;
+ sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
+
+ mxf->edit_unit_byte_count = KAG_SIZE;
+ for (i = 0; i < s->nb_streams; i++) {
+ AVStream *st = s->streams[i];
+ MXFStreamContext *sc = st->priv_data;
+ if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
+ mxf->edit_unit_byte_count += 16 + 4 + sc->aic.samples[0]*sc->aic.sample_size;
+ mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
+ } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
+ mxf->edit_unit_byte_count += 16 + 4 + frame_size;
+ mxf->edit_unit_byte_count += klv_fill_size(mxf->edit_unit_byte_count);
+ }
+ }
+
+ return 1;
+}
+
static const UID mxf_mpeg2_codec_uls[] = {
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
AVPacket *pkt, MXFIndexEntry *e)
{
MXFStreamContext *sc = st->priv_data;
- MXFContext *mxf = s->priv_data;
uint32_t c = -1;
int i;
st->codec->level = pkt->data[i+2] >> 4;
} else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
+ if (sc->interlaced)
+ sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
break;
}
} else if (c == 0x1b8) { // gop
if (e->flags & 0x40) // sequence header present
e->flags |= 0x80; // random access
}
- if (!mxf->header_written) {
- unsigned hours = (pkt->data[i+1]>>2) & 0x1f;
- unsigned minutes = ((pkt->data[i+1] & 0x03) << 4) | (pkt->data[i+2]>>4);
- unsigned seconds = ((pkt->data[i+2] & 0x07) << 3) | (pkt->data[i+3]>>5);
- unsigned frames = ((pkt->data[i+3] & 0x1f) << 1) | (pkt->data[i+4]>>7);
- mxf->timecode_drop_frame = !!(pkt->data[i+1] & 0x80);
- mxf->timecode_start = (hours*3600 + minutes*60 + seconds) *
- mxf->timecode_base + frames;
- if (mxf->timecode_drop_frame) {
- unsigned tminutes = 60 * hours + minutes;
- mxf->timecode_start -= 2 * (tminutes - tminutes / 10);
- }
- av_log(s, AV_LOG_DEBUG, "frame %d %d:%d:%d%c%d\n", mxf->timecode_start,
- hours, minutes, seconds, mxf->timecode_drop_frame ? ';':':', frames);
- }
} else if (c == 0x1b3) { // seq
e->flags |= 0x40;
switch ((pkt->data[i+4]>>4) & 0xf) {
static int mxf_write_header(AVFormatContext *s)
{
MXFContext *mxf = s->priv_data;
- int i;
+ int i, ret;
uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
const int *samples_per_frame = NULL;
AVDictionaryEntry *t;
int64_t timestamp = 0;
+ AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
if (!s->nb_streams)
return -1;
return AVERROR(ENOMEM);
st->priv_data = sc;
+ if ((i == 0) ^ (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)) {
+ av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
+ return -1;
+ }
+
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
- if (i != 0) {
- av_log(s, AV_LOG_ERROR, "video stream must be first track\n");
- return -1;
- }
+ AVRational rate;
+ // Default component depth to 8
+ sc->component_depth = 8;
if (fabs(av_q2d(st->codec->time_base) - 1/25.0) < 0.0001) {
samples_per_frame = PAL_samples_per_frame;
mxf->time_base = (AVRational){ 1, 25 };
mxf->timecode_base = 25;
+ } else if (fabs(av_q2d(st->codec->time_base) - 1/50.0) < 0.0001) {
+ samples_per_frame = PAL_50_samples_per_frame;
+ mxf->time_base = (AVRational){ 1, 50 };
+ mxf->timecode_base = 50;
} else if (fabs(av_q2d(st->codec->time_base) - 1001/30000.0) < 0.0001) {
samples_per_frame = NTSC_samples_per_frame;
mxf->time_base = (AVRational){ 1001, 30000 };
mxf->timecode_base = 30;
+ } else if (fabs(av_q2d(st->codec->time_base) - 1001/60000.0) < 0.0001) {
+ samples_per_frame = NTSC_60_samples_per_frame;
+ mxf->time_base = (AVRational){ 1001, 60000 };
+ mxf->timecode_base = 60;
} else {
av_log(s, AV_LOG_ERROR, "unsupported video frame rate\n");
return -1;
}
+ rate = (AVRational){mxf->time_base.den, mxf->time_base.num};
avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
+ if (!tcr)
+ tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
+ if (tcr)
+ ret = av_timecode_init_from_string(&mxf->tc, rate, tcr->value, s);
+ else
+ ret = av_timecode_init(&mxf->tc, rate, 0, 0, s);
+ if (ret < 0)
+ return ret;
if (s->oformat == &ff_mxf_d10_muxer) {
if (st->codec->bit_rate == 50000000)
if (mxf->time_base.den == 25) sc->index = 3;
MXFStreamContext *sc = s->streams[i]->priv_data;
// update element count
sc->track_essence_element_key[13] = present[sc->index];
- sc->order = AV_RB32(sc->track_essence_element_key+12);
+ if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[15].element_ul, 13)) // DV
+ sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
+ else
+ sc->order = AV_RB32(sc->track_essence_element_key+12);
}
if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
static const uint8_t system_metadata_package_set_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x43,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x02,0x01 };
-static uint32_t ff_framenum_to_12m_time_code(unsigned frame, int drop, int fps)
-{
- return (0 << 31) | // color frame flag
- (drop << 30) | // drop frame flag
- ( ((frame % fps) / 10) << 28) | // tens of frames
- ( ((frame % fps) % 10) << 24) | // units of frames
- (0 << 23) | // field phase (NTSC), b0 (PAL)
- ((((frame / fps) % 60) / 10) << 20) | // tens of seconds
- ((((frame / fps) % 60) % 10) << 16) | // units of seconds
- (0 << 15) | // b0 (NTSC), b2 (PAL)
- ((((frame / (fps * 60)) % 60) / 10) << 12) | // tens of minutes
- ((((frame / (fps * 60)) % 60) % 10) << 8) | // units of minutes
- (0 << 7) | // b1
- (0 << 6) | // b2 (NTSC), field phase (PAL)
- ((((frame / (fps * 3600) % 24)) / 10) << 4) | // tens of hours
- ( (frame / (fps * 3600) % 24)) % 10; // units of hours
-}
-
static void mxf_write_system_item(AVFormatContext *s)
{
MXFContext *mxf = s->priv_data;
unsigned frame;
uint32_t time_code;
- frame = mxf->timecode_start + mxf->last_indexed_edit_unit + mxf->edit_units_count;
+ frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
// write system metadata pack
avio_write(pb, system_metadata_pack_key, 16);
avio_w8(pb, 0x04); // content package rate
avio_w8(pb, 0x00); // content package type
avio_wb16(pb, 0x00); // channel handle
- avio_wb16(pb, frame); // continuity count
+ avio_wb16(pb, mxf->tc.start + frame); // continuity count
if (mxf->essence_container_count > 1)
avio_write(pb, multiple_desc_ul, 16);
else {
avio_wb64(pb, 0); // creation date/time stamp
avio_w8(pb, 0x81); // SMPTE 12M time code
- time_code = ff_framenum_to_12m_time_code(frame, mxf->timecode_drop_frame, mxf->timecode_base);
+ time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
avio_wb32(pb, time_code);
avio_wb32(pb, 0); // binary group data
avio_wb64(pb, 0);
klv_encode_ber4_length(s->pb, pad);
for (; pad; pad--)
avio_w8(s->pb, 0);
- assert(!(avio_tell(s->pb) & (KAG_SIZE-1)));
+ av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
} else {
av_log(s, AV_LOG_WARNING, "cannot fill d-10 video packet\n");
for (; pad > 0; pad--)
av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
return -1;
}
+ } else if (st->codec->codec_id == CODEC_ID_DNXHD) {
+ if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
+ av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
+ return -1;
+ }
+ } else if (st->codec->codec_id == CODEC_ID_DVVIDEO) {
+ if (!mxf_parse_dv_frame(s, st, pkt)) {
+ av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
+ return -1;
+ }
}
if (!mxf->header_written) {
projects / ffmpeg / blobdiff