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-rw-r--r--contrib/ffmpeg/libavformat/movenc.c1712
1 files changed, 1712 insertions, 0 deletions
diff --git a/contrib/ffmpeg/libavformat/movenc.c b/contrib/ffmpeg/libavformat/movenc.c
new file mode 100644
index 000000000..501c44ebd
--- /dev/null
+++ b/contrib/ffmpeg/libavformat/movenc.c
@@ -0,0 +1,1712 @@
+/*
+ * MOV, 3GP, MP4 muxer
+ * Copyright (c) 2003 Thomas Raivio.
+ * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>.
+ *
+ * This file is part of FFmpeg.
+ *
+ * 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.
+ *
+ * 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include "avformat.h"
+#include "riff.h"
+#include "avio.h"
+#include "isom.h"
+#include "avc.h"
+
+#undef NDEBUG
+#include <assert.h>
+
+#define MOV_INDEX_CLUSTER_SIZE 16384
+#define globalTimescale 1000
+
+#define MODE_MP4 0
+#define MODE_MOV 1
+#define MODE_3GP 2
+#define MODE_PSP 3 // example working PSP command line:
+// ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
+#define MODE_3G2 4
+
+typedef struct MOVIentry {
+ unsigned int flags, size;
+ uint64_t pos;
+ unsigned int samplesInChunk;
+ char key_frame;
+ unsigned int entries;
+ int64_t cts;
+ int64_t dts;
+} MOVIentry;
+
+typedef struct MOVIndex {
+ int mode;
+ int entry;
+ long timescale;
+ long time;
+ int64_t trackDuration;
+ long sampleCount;
+ long sampleSize;
+ int hasKeyframes;
+ int hasBframes;
+ int language;
+ int trackID;
+ int tag; ///< stsd fourcc
+ AVCodecContext *enc;
+
+ int vosLen;
+ uint8_t *vosData;
+ MOVIentry *cluster;
+ int audio_vbr;
+} MOVTrack;
+
+typedef struct MOVContext {
+ int mode;
+ int64_t time;
+ int nb_streams;
+ offset_t mdat_pos;
+ uint64_t mdat_size;
+ long timescale;
+ MOVTrack tracks[MAX_STREAMS];
+} MOVContext;
+
+//FIXME support 64 bit variant with wide placeholders
+static offset_t updateSize (ByteIOContext *pb, offset_t pos)
+{
+ offset_t curpos = url_ftell(pb);
+ url_fseek(pb, pos, SEEK_SET);
+ put_be32(pb, curpos - pos); /* rewrite size */
+ url_fseek(pb, curpos, SEEK_SET);
+
+ return curpos - pos;
+}
+
+/* Chunk offset atom */
+static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ int i;
+ int mode64 = 0; // use 32 bit size variant if possible
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); /* size */
+ if (pos > UINT32_MAX) {
+ mode64 = 1;
+ put_tag(pb, "co64");
+ } else
+ put_tag(pb, "stco");
+ put_be32(pb, 0); /* version & flags */
+ put_be32(pb, track->entry); /* entry count */
+ for (i=0; i<track->entry; i++) {
+ if(mode64 == 1)
+ put_be64(pb, track->cluster[i].pos);
+ else
+ put_be32(pb, track->cluster[i].pos);
+ }
+ return updateSize (pb, pos);
+}
+
+/* Sample size atom */
+static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ int equalChunks = 1;
+ int i, j, entries = 0, tst = -1, oldtst = -1;
+
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); /* size */
+ put_tag(pb, "stsz");
+ put_be32(pb, 0); /* version & flags */
+
+ for (i=0; i<track->entry; i++) {
+ tst = track->cluster[i].size/track->cluster[i].entries;
+ if(oldtst != -1 && tst != oldtst) {
+ equalChunks = 0;
+ }
+ oldtst = tst;
+ entries += track->cluster[i].entries;
+ }
+ if (equalChunks) {
+ int sSize = track->cluster[0].size/track->cluster[0].entries;
+ put_be32(pb, sSize); // sample size
+ put_be32(pb, entries); // sample count
+ }
+ else {
+ put_be32(pb, 0); // sample size
+ put_be32(pb, entries); // sample count
+ for (i=0; i<track->entry; i++) {
+ for (j=0; j<track->cluster[i].entries; j++) {
+ put_be32(pb, track->cluster[i].size /
+ track->cluster[i].entries);
+ }
+ }
+ }
+ return updateSize (pb, pos);
+}
+
+/* Sample to chunk atom */
+static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ int index = 0, oldval = -1, i;
+ offset_t entryPos, curpos;
+
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); /* size */
+ put_tag(pb, "stsc");
+ put_be32(pb, 0); // version & flags
+ entryPos = url_ftell(pb);
+ put_be32(pb, track->entry); // entry count
+ for (i=0; i<track->entry; i++) {
+ if(oldval != track->cluster[i].samplesInChunk)
+ {
+ put_be32(pb, i+1); // first chunk
+ put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
+ put_be32(pb, 0x1); // sample description index
+ oldval = track->cluster[i].samplesInChunk;
+ index++;
+ }
+ }
+ curpos = url_ftell(pb);
+ url_fseek(pb, entryPos, SEEK_SET);
+ put_be32(pb, index); // rewrite size
+ url_fseek(pb, curpos, SEEK_SET);
+
+ return updateSize (pb, pos);
+}
+
+/* Sync sample atom */
+static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ offset_t curpos, entryPos;
+ int i, index = 0;
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); // size
+ put_tag(pb, "stss");
+ put_be32(pb, 0); // version & flags
+ entryPos = url_ftell(pb);
+ put_be32(pb, track->entry); // entry count
+ for (i=0; i<track->entry; i++) {
+ if(track->cluster[i].key_frame == 1) {
+ put_be32(pb, i+1);
+ index++;
+ }
+ }
+ curpos = url_ftell(pb);
+ url_fseek(pb, entryPos, SEEK_SET);
+ put_be32(pb, index); // rewrite size
+ url_fseek(pb, curpos, SEEK_SET);
+ return updateSize (pb, pos);
+}
+
+static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
+{
+ put_be32(pb, 0x11); /* size */
+ if (track->mode == MODE_MOV) put_tag(pb, "samr");
+ else put_tag(pb, "damr");
+ put_tag(pb, "FFMP");
+ put_byte(pb, 0); /* decoder version */
+
+ put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
+ put_byte(pb, 0x00); /* Mode change period (no restriction) */
+ put_byte(pb, 0x01); /* Frames per sample */
+ return 0x11;
+}
+
+static int mov_write_enda_tag(ByteIOContext *pb)
+{
+ put_be32(pb, 10);
+ put_tag(pb, "enda");
+ put_be16(pb, 1); /* little endian */
+ return 10;
+}
+
+static unsigned int descrLength(unsigned int len)
+{
+ int i;
+ for(i=1; len>>(7*i); i++);
+ return len + 1 + i;
+}
+
+static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
+{
+ int i= descrLength(size) - size - 2;
+ put_byte(pb, tag);
+ for(; i>0; i--)
+ put_byte(pb, (size>>(7*i)) | 0x80);
+ put_byte(pb, size & 0x7F);
+}
+
+static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic
+{
+ offset_t pos = url_ftell(pb);
+ int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
+
+ put_be32(pb, 0); // size
+ put_tag(pb, "esds");
+ put_be32(pb, 0); // Version
+
+ // ES descriptor
+ putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
+ descrLength(1));
+ put_be16(pb, track->trackID);
+ put_byte(pb, 0x00); // flags (= no flags)
+
+ // DecoderConfig descriptor
+ putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
+
+ // Object type indication
+ put_byte(pb, codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
+
+ // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
+ // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
+ if(track->enc->codec_type == CODEC_TYPE_AUDIO)
+ put_byte(pb, 0x15); // flags (= Audiostream)
+ else
+ put_byte(pb, 0x11); // flags (= Visualstream)
+
+ put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
+ put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
+
+ put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
+ if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
+ put_be32(pb, 0); // vbr
+ else
+ put_be32(pb, track->enc->rc_max_rate); // avg bitrate
+
+ if (track->vosLen)
+ {
+ // DecoderSpecific info descriptor
+ putDescr(pb, 0x05, track->vosLen);
+ put_buffer(pb, track->vosData, track->vosLen);
+ }
+
+
+ // SL descriptor
+ putDescr(pb, 0x06, 1);
+ put_byte(pb, 0x02);
+ return updateSize (pb, pos);
+}
+
+static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ offset_t pos = url_ftell(pb);
+
+ put_be32(pb, 0); /* size */
+ put_tag(pb, "wave");
+
+ put_be32(pb, 12); /* size */
+ put_tag(pb, "frma");
+ put_le32(pb, track->tag);
+
+ if (track->enc->codec_id == CODEC_ID_AAC) {
+ /* useless atom needed by mplayer, ipod, not needed by quicktime */
+ put_be32(pb, 12); /* size */
+ put_tag(pb, "mp4a");
+ put_be32(pb, 0);
+ mov_write_esds_tag(pb, track);
+ } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
+ track->enc->codec_id == CODEC_ID_PCM_S32LE) {
+ mov_write_enda_tag(pb);
+ } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
+ mov_write_amr_tag(pb, track);
+ }
+
+ put_be32(pb, 8); /* size */
+ put_be32(pb, 0); /* null tag */
+
+ return updateSize (pb, pos);
+}
+
+static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ put_be32(pb, track->vosLen+8);
+ put_tag(pb, "glbl");
+ put_buffer(pb, track->vosData, track->vosLen);
+ return 8+track->vosLen;
+}
+
+static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ offset_t pos = url_ftell(pb);
+ int version = track->mode == MODE_MOV &&
+ (track->audio_vbr ||
+ track->enc->codec_id == CODEC_ID_PCM_S32LE ||
+ track->enc->codec_id == CODEC_ID_PCM_S24LE);
+
+ put_be32(pb, 0); /* size */
+ put_le32(pb, track->tag); // store it byteswapped
+ put_be32(pb, 0); /* Reserved */
+ put_be16(pb, 0); /* Reserved */
+ put_be16(pb, 1); /* Data-reference index, XXX == 1 */
+
+ /* SoundDescription */
+ put_be16(pb, version); /* Version */
+ put_be16(pb, 0); /* Revision level */
+ put_be32(pb, 0); /* Reserved */
+
+ if (track->mode == MODE_MOV) {
+ put_be16(pb, track->enc->channels);
+ if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
+ track->enc->codec_id == CODEC_ID_PCM_S8)
+ put_be16(pb, 8); /* bits per sample */
+ else
+ put_be16(pb, 16);
+ put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
+ } else { /* reserved for mp4/3gp */
+ put_be16(pb, 2);
+ put_be16(pb, 16);
+ put_be16(pb, 0);
+ }
+
+ put_be16(pb, 0); /* packet size (= 0) */
+ put_be16(pb, track->timescale); /* Time scale */
+ put_be16(pb, 0); /* Reserved */
+
+ if(version == 1) { /* SoundDescription V1 extended info */
+ put_be32(pb, track->enc->frame_size); /* Samples per packet */
+ put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
+ put_be32(pb, track->sampleSize); /* Bytes per frame */
+ put_be32(pb, 2); /* Bytes per sample */
+ }
+
+ if(track->mode == MODE_MOV &&
+ (track->enc->codec_id == CODEC_ID_AAC ||
+ track->enc->codec_id == CODEC_ID_AMR_NB ||
+ track->enc->codec_id == CODEC_ID_PCM_S24LE ||
+ track->enc->codec_id == CODEC_ID_PCM_S32LE))
+ mov_write_wave_tag(pb, track);
+ else if(track->tag == MKTAG('m','p','4','a'))
+ mov_write_esds_tag(pb, track);
+ else if(track->enc->codec_id == CODEC_ID_AMR_NB)
+ mov_write_amr_tag(pb, track);
+ else if(track->vosLen > 0)
+ mov_write_glbl_tag(pb, track);
+
+ return updateSize (pb, pos);
+}
+
+static int mov_write_d263_tag(ByteIOContext *pb)
+{
+ put_be32(pb, 0xf); /* size */
+ put_tag(pb, "d263");
+ put_tag(pb, "FFMP");
+ put_byte(pb, 0); /* decoder version */
+ /* FIXME use AVCodecContext level/profile, when encoder will set values */
+ put_byte(pb, 0xa); /* level */
+ put_byte(pb, 0); /* profile */
+ return 0xf;
+}
+
+/* TODO: No idea about these values */
+static int mov_write_svq3_tag(ByteIOContext *pb)
+{
+ put_be32(pb, 0x15);
+ put_tag(pb, "SMI ");
+ put_tag(pb, "SEQH");
+ put_be32(pb, 0x5);
+ put_be32(pb, 0xe2c0211d);
+ put_be32(pb, 0xc0000000);
+ put_byte(pb, 0);
+ return 0x15;
+}
+
+static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
+{
+ offset_t pos = url_ftell(pb);
+
+ put_be32(pb, 0);
+ put_tag(pb, "avcC");
+ ff_isom_write_avcc(pb, track->vosData, track->vosLen);
+ return updateSize(pb, pos);
+}
+
+/* also used by all avid codecs (dv, imx, meridien) and their variants */
+static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
+{
+ int i;
+ put_be32(pb, 24); /* size */
+ put_tag(pb, "ACLR");
+ put_tag(pb, "ACLR");
+ put_tag(pb, "0001");
+ put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
+ put_be32(pb, 0); /* unknown */
+
+ put_be32(pb, 24); /* size */
+ put_tag(pb, "APRG");
+ put_tag(pb, "APRG");
+ put_tag(pb, "0001");
+ put_be32(pb, 1); /* unknown */
+ put_be32(pb, 0); /* unknown */
+
+ put_be32(pb, 120); /* size */
+ put_tag(pb, "ARES");
+ put_tag(pb, "ARES");
+ put_tag(pb, "0001");
+ put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
+ put_be32(pb, track->enc->width);
+ /* values below are based on samples created with quicktime and avid codecs */
+ if (track->vosData[5] & 2) { // interlaced
+ put_be32(pb, track->enc->height/2);
+ put_be32(pb, 2); /* unknown */
+ put_be32(pb, 0); /* unknown */
+ put_be32(pb, 4); /* unknown */
+ } else {
+ put_be32(pb, track->enc->height);
+ put_be32(pb, 1); /* unknown */
+ put_be32(pb, 0); /* unknown */
+ if (track->enc->height == 1080)
+ put_be32(pb, 5); /* unknown */
+ else
+ put_be32(pb, 6); /* unknown */
+ }
+ /* padding */
+ for (i = 0; i < 10; i++)
+ put_be64(pb, 0);
+
+ /* extra padding for stsd needed */
+ put_be32(pb, 0);
+ return 0;
+}
+
+static const AVCodecTag codec_3gp_tags[] = {
+ { CODEC_ID_H263, MKTAG('s','2','6','3') },
+ { CODEC_ID_H264, MKTAG('a','v','c','1') },
+ { CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
+ { CODEC_ID_AAC, MKTAG('m','p','4','a') },
+ { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
+ { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
+};
+
+static const AVCodecTag mov_pix_fmt_tags[] = {
+ { PIX_FMT_YUYV422, MKTAG('y','u','v','s') },
+ { PIX_FMT_UYVY422, MKTAG('2','v','u','y') },
+ { PIX_FMT_BGR555, MKTAG('r','a','w',' ') },
+ { PIX_FMT_RGB24, MKTAG('r','a','w',' ') },
+ { PIX_FMT_BGR32_1, MKTAG('r','a','w',' ') },
+};
+
+static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
+{
+ int tag = track->enc->codec_tag;
+ if (track->mode == MODE_MP4 || track->mode == MODE_PSP) {
+ if (!codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
+ return 0;
+ if (track->enc->codec_id == CODEC_ID_H264) tag = MKTAG('a','v','c','1');
+ else if (track->enc->codec_type == CODEC_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
+ else if (track->enc->codec_type == CODEC_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
+ } else if (track->mode == MODE_3GP || track->mode == MODE_3G2) {
+ tag = codec_get_tag(codec_3gp_tags, track->enc->codec_id);
+ } else if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
+ (tag == MKTAG('d','v','c','p') ||
+ track->enc->codec_id == CODEC_ID_RAWVIDEO))) {
+ if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
+ if (track->enc->height == 480) /* NTSC */
+ if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
+ else tag = MKTAG('d','v','c',' ');
+ else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
+ else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
+ else tag = MKTAG('d','v','p','p');
+ } else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) {
+ tag = codec_get_tag(mov_pix_fmt_tags, track->enc->pix_fmt);
+ if (!tag) // restore tag
+ tag = track->enc->codec_tag;
+ } else {
+ if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
+ tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
+ if (!tag) { // if no mac fcc found, try with Microsoft tags
+ tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
+ if (tag)
+ av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
+ "the file may be unplayable!\n");
+ }
+ } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
+ tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
+ if (!tag) { // if no mac fcc found, try with Microsoft tags
+ int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
+ if (ms_tag) {
+ tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
+ av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
+ "the file may be unplayable!\n");
+ }
+ }
+ }
+ }
+ }
+ return tag;
+}
+
+static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ offset_t pos = url_ftell(pb);
+ char compressor_name[32];
+
+ put_be32(pb, 0); /* size */
+ put_le32(pb, track->tag); // store it byteswapped
+ put_be32(pb, 0); /* Reserved */
+ put_be16(pb, 0); /* Reserved */
+ put_be16(pb, 1); /* Data-reference index */
+
+ put_be16(pb, 0); /* Codec stream version */
+ put_be16(pb, 0); /* Codec stream revision (=0) */
+ if (track->mode == MODE_MOV) {
+ put_tag(pb, "FFMP"); /* Vendor */
+ if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
+ put_be32(pb, 0); /* Temporal Quality */
+ put_be32(pb, 0x400); /* Spatial Quality = lossless*/
+ } else {
+ put_be32(pb, 0x200); /* Temporal Quality = normal */
+ put_be32(pb, 0x200); /* Spatial Quality = normal */
+ }
+ } else {
+ put_be32(pb, 0); /* Reserved */
+ put_be32(pb, 0); /* Reserved */
+ put_be32(pb, 0); /* Reserved */
+ }
+ put_be16(pb, track->enc->width); /* Video width */
+ put_be16(pb, track->enc->height); /* Video height */
+ put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
+ put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
+ put_be32(pb, 0); /* Data size (= 0) */
+ put_be16(pb, 1); /* Frame count (= 1) */
+
+ memset(compressor_name,0,32);
+ /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
+ if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
+ strncpy(compressor_name,track->enc->codec->name,31);
+ put_byte(pb, strlen(compressor_name));
+ put_buffer(pb, compressor_name, 31);
+
+ if (track->mode == MODE_MOV && track->enc->bits_per_sample)
+ put_be16(pb, track->enc->bits_per_sample);
+ else
+ put_be16(pb, 0x18); /* Reserved */
+ put_be16(pb, 0xffff); /* Reserved */
+ if(track->tag == MKTAG('m','p','4','v'))
+ mov_write_esds_tag(pb, track);
+ else if(track->enc->codec_id == CODEC_ID_H263)
+ mov_write_d263_tag(pb);
+ else if(track->enc->codec_id == CODEC_ID_SVQ3)
+ mov_write_svq3_tag(pb);
+ else if(track->enc->codec_id == CODEC_ID_H264)
+ mov_write_avcc_tag(pb, track);
+ else if(track->enc->codec_id == CODEC_ID_DNXHD)
+ mov_write_avid_tag(pb, track);
+ else if(track->vosLen > 0)
+ mov_write_glbl_tag(pb, track);
+
+ return updateSize (pb, pos);
+}
+
+static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); /* size */
+ put_tag(pb, "stsd");
+ put_be32(pb, 0); /* version & flags */
+ put_be32(pb, 1); /* entry count */
+ if (track->enc->codec_type == CODEC_TYPE_VIDEO)
+ mov_write_video_tag(pb, track);
+ else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
+ mov_write_audio_tag(pb, track);
+ return updateSize(pb, pos);
+}
+
+static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ MOV_stts_t *ctts_entries;
+ uint32_t entries = 0;
+ uint32_t atom_size;
+ int i;
+
+ ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
+ ctts_entries[0].count = 1;
+ ctts_entries[0].duration = track->cluster[0].cts;
+ for (i=1; i<track->entry; i++) {
+ if (track->cluster[i].cts == ctts_entries[entries].duration) {
+ ctts_entries[entries].count++; /* compress */
+ } else {
+ entries++;
+ ctts_entries[entries].duration = track->cluster[i].cts;
+ ctts_entries[entries].count = 1;
+ }
+ }
+ entries++; /* last one */
+ atom_size = 16 + (entries * 8);
+ put_be32(pb, atom_size); /* size */
+ put_tag(pb, "ctts");
+ put_be32(pb, 0); /* version & flags */
+ put_be32(pb, entries); /* entry count */
+ for (i=0; i<entries; i++) {
+ put_be32(pb, ctts_entries[i].count);
+ put_be32(pb, ctts_entries[i].duration);
+ }
+ av_free(ctts_entries);
+ return atom_size;
+}
+
+/* Time to sample atom */
+static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ MOV_stts_t *stts_entries;
+ uint32_t entries = -1;
+ uint32_t atom_size;
+ int i;
+
+ if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
+ stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
+ stts_entries[0].count = track->sampleCount;
+ stts_entries[0].duration = 1;
+ entries = 1;
+ } else {
+ stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
+ for (i=0; i<track->entry; i++) {
+ int64_t duration = i + 1 == track->entry ?
+ track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
+ track->cluster[i+1].dts - track->cluster[i].dts;
+ if (i && duration == stts_entries[entries].duration) {
+ stts_entries[entries].count++; /* compress */
+ } else {
+ entries++;
+ stts_entries[entries].duration = duration;
+ stts_entries[entries].count = 1;
+ }
+ }
+ entries++; /* last one */
+ }
+ atom_size = 16 + (entries * 8);
+ put_be32(pb, atom_size); /* size */
+ put_tag(pb, "stts");
+ put_be32(pb, 0); /* version & flags */
+ put_be32(pb, entries); /* entry count */
+ for (i=0; i<entries; i++) {
+ put_be32(pb, stts_entries[i].count);
+ put_be32(pb, stts_entries[i].duration);
+ }
+ av_free(stts_entries);
+ return atom_size;
+}
+
+static int mov_write_dref_tag(ByteIOContext *pb)
+{
+ put_be32(pb, 28); /* size */
+ put_tag(pb, "dref");
+ put_be32(pb, 0); /* version & flags */
+ put_be32(pb, 1); /* entry count */
+
+ put_be32(pb, 0xc); /* size */
+ put_tag(pb, "url ");
+ put_be32(pb, 1); /* version & flags */
+
+ return 28;
+}
+
+static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); /* size */
+ put_tag(pb, "stbl");
+ mov_write_stsd_tag(pb, track);
+ mov_write_stts_tag(pb, track);
+ if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
+ track->hasKeyframes < track->entry)
+ mov_write_stss_tag(pb, track);
+ if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
+ track->hasBframes)
+ mov_write_ctts_tag(pb, track);
+ mov_write_stsc_tag(pb, track);
+ mov_write_stsz_tag(pb, track);
+ mov_write_stco_tag(pb, track);
+ return updateSize(pb, pos);
+}
+
+static int mov_write_dinf_tag(ByteIOContext *pb)
+{
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); /* size */
+ put_tag(pb, "dinf");
+ mov_write_dref_tag(pb);
+ return updateSize(pb, pos);
+}
+
+static int mov_write_smhd_tag(ByteIOContext *pb)
+{
+ put_be32(pb, 16); /* size */
+ put_tag(pb, "smhd");
+ put_be32(pb, 0); /* version & flags */
+ put_be16(pb, 0); /* reserved (balance, normally = 0) */
+ put_be16(pb, 0); /* reserved */
+ return 16;
+}
+
+static int mov_write_vmhd_tag(ByteIOContext *pb)
+{
+ put_be32(pb, 0x14); /* size (always 0x14) */
+ put_tag(pb, "vmhd");
+ put_be32(pb, 0x01); /* version & flags */
+ put_be64(pb, 0); /* reserved (graphics mode = copy) */
+ return 0x14;
+}
+
+static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ const char *descr, *hdlr, *hdlr_type;
+ offset_t pos = url_ftell(pb);
+
+ if (!track) { /* no media --> data handler */
+ hdlr = "dhlr";
+ hdlr_type = "url ";
+ descr = "DataHandler";
+ } else {
+ hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
+ if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
+ hdlr_type = "vide";
+ descr = "VideoHandler";
+ } else {
+ hdlr_type = "soun";
+ descr = "SoundHandler";
+ }
+ }
+
+ put_be32(pb, 0); /* size */
+ put_tag(pb, "hdlr");
+ put_be32(pb, 0); /* Version & flags */
+ put_buffer(pb, hdlr, 4); /* handler */
+ put_tag(pb, hdlr_type); /* handler type */
+ put_be32(pb ,0); /* reserved */
+ put_be32(pb ,0); /* reserved */
+ put_be32(pb ,0); /* reserved */
+ put_byte(pb, strlen(descr)); /* string counter */
+ put_buffer(pb, descr, strlen(descr)); /* handler description */
+ return updateSize(pb, pos);
+}
+
+static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); /* size */
+ put_tag(pb, "minf");
+ if(track->enc->codec_type == CODEC_TYPE_VIDEO)
+ mov_write_vmhd_tag(pb);
+ else
+ mov_write_smhd_tag(pb);
+ if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
+ mov_write_hdlr_tag(pb, NULL);
+ mov_write_dinf_tag(pb);
+ mov_write_stbl_tag(pb, track);
+ return updateSize(pb, pos);
+}
+
+static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ int version = track->trackDuration < INT32_MAX ? 0 : 1;
+
+ (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
+ put_tag(pb, "mdhd");
+ put_byte(pb, version);
+ put_be24(pb, 0); /* flags */
+ if (version == 1) {
+ put_be64(pb, track->time);
+ put_be64(pb, track->time);
+ } else {
+ put_be32(pb, track->time); /* creation time */
+ put_be32(pb, track->time); /* modification time */
+ }
+ put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
+ (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
+ put_be16(pb, track->language); /* language */
+ put_be16(pb, 0); /* reserved (quality) */
+
+ if(version!=0 && track->mode == MODE_MOV){
+ av_log(NULL, AV_LOG_ERROR,
+ "FATAL error, file duration too long for timebase, this file will not be\n"
+ "playable with quicktime. Choose a different timebase or a different\n"
+ "container format\n");
+ }
+
+ return 32;
+}
+
+static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); /* size */
+ put_tag(pb, "mdia");
+ mov_write_mdhd_tag(pb, track);
+ mov_write_hdlr_tag(pb, track);
+ mov_write_minf_tag(pb, track);
+ return updateSize(pb, pos);
+}
+
+static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
+ int version = duration < INT32_MAX ? 0 : 1;
+
+ (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
+ put_tag(pb, "tkhd");
+ put_byte(pb, version);
+ put_be24(pb, 0xf); /* flags (track enabled) */
+ if (version == 1) {
+ put_be64(pb, track->time);
+ put_be64(pb, track->time);
+ } else {
+ put_be32(pb, track->time); /* creation time */
+ put_be32(pb, track->time); /* modification time */
+ }
+ put_be32(pb, track->trackID); /* track-id */
+ put_be32(pb, 0); /* reserved */
+ (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
+
+ put_be32(pb, 0); /* reserved */
+ put_be32(pb, 0); /* reserved */
+ put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
+ /* Volume, only for audio */
+ if(track->enc->codec_type == CODEC_TYPE_AUDIO)
+ put_be16(pb, 0x0100);
+ else
+ put_be16(pb, 0);
+ put_be16(pb, 0); /* reserved */
+
+ /* Matrix structure */
+ put_be32(pb, 0x00010000); /* reserved */
+ put_be32(pb, 0x0); /* reserved */
+ put_be32(pb, 0x0); /* reserved */
+ put_be32(pb, 0x0); /* reserved */
+ put_be32(pb, 0x00010000); /* reserved */
+ put_be32(pb, 0x0); /* reserved */
+ put_be32(pb, 0x0); /* reserved */
+ put_be32(pb, 0x0); /* reserved */
+ put_be32(pb, 0x40000000); /* reserved */
+
+ /* Track width and height, for visual only */
+ if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
+ double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
+ if(!sample_aspect_ratio) sample_aspect_ratio = 1;
+ put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
+ put_be32(pb, track->enc->height*0x10000);
+ }
+ else {
+ put_be32(pb, 0);
+ put_be32(pb, 0);
+ }
+ return 0x5c;
+}
+
+// This box seems important for the psp playback ... without it the movie seems to hang
+static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
+{
+ put_be32(pb, 0x24); /* size */
+ put_tag(pb, "edts");
+ put_be32(pb, 0x1c); /* size */
+ put_tag(pb, "elst");
+ put_be32(pb, 0x0);
+ put_be32(pb, 0x1);
+
+ put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
+
+ put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
+ put_be32(pb, 0x00010000);
+ return 0x24;
+}
+
+// goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
+static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
+{
+ put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
+ put_tag(pb, "uuid");
+ put_tag(pb, "USMT");
+ put_be32(pb, 0x21d24fce);
+ put_be32(pb, 0xbb88695c);
+ put_be32(pb, 0xfac9c740);
+ put_be32(pb, 0x1c); // another size here!
+ put_tag(pb, "MTDT");
+ put_be32(pb, 0x00010012);
+ put_be32(pb, 0x0a);
+ put_be32(pb, 0x55c40000);
+ put_be32(pb, 0x1);
+ put_be32(pb, 0x0);
+ return 0x34;
+}
+
+static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track)
+{
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); /* size */
+ put_tag(pb, "trak");
+ mov_write_tkhd_tag(pb, track);
+ if (track->mode == MODE_PSP || track->hasBframes)
+ mov_write_edts_tag(pb, track); // PSP Movies require edts box
+ mov_write_mdia_tag(pb, track);
+ if (track->mode == MODE_PSP)
+ mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
+ return updateSize(pb, pos);
+}
+
+#if 0
+/* TODO: Not sorted out, but not necessary either */
+static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
+{
+ put_be32(pb, 0x15); /* size */
+ put_tag(pb, "iods");
+ put_be32(pb, 0); /* version & flags */
+ put_be16(pb, 0x1007);
+ put_byte(pb, 0);
+ put_be16(pb, 0x4fff);
+ put_be16(pb, 0xfffe);
+ put_be16(pb, 0x01ff);
+ return 0x15;
+}
+#endif
+
+static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
+{
+ int maxTrackID = 1, i;
+ int64_t maxTrackLenTemp, maxTrackLen = 0;
+ int version;
+
+ for (i=0; i<mov->nb_streams; i++) {
+ if(mov->tracks[i].entry > 0) {
+ maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
+ if(maxTrackLen < maxTrackLenTemp)
+ maxTrackLen = maxTrackLenTemp;
+ if(maxTrackID < mov->tracks[i].trackID)
+ maxTrackID = mov->tracks[i].trackID;
+ }
+ }
+
+ version = maxTrackLen < UINT32_MAX ? 0 : 1;
+ (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
+ put_tag(pb, "mvhd");
+ put_byte(pb, version);
+ put_be24(pb, 0); /* flags */
+ if (version == 1) {
+ put_be64(pb, mov->time);
+ put_be64(pb, mov->time);
+ } else {
+ put_be32(pb, mov->time); /* creation time */
+ put_be32(pb, mov->time); /* modification time */
+ }
+ put_be32(pb, mov->timescale); /* timescale */
+ (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
+
+ put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
+ put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
+ put_be16(pb, 0); /* reserved */
+ put_be32(pb, 0); /* reserved */
+ put_be32(pb, 0); /* reserved */
+
+ /* Matrix structure */
+ put_be32(pb, 0x00010000); /* reserved */
+ put_be32(pb, 0x0); /* reserved */
+ put_be32(pb, 0x0); /* reserved */
+ put_be32(pb, 0x0); /* reserved */
+ put_be32(pb, 0x00010000); /* reserved */
+ put_be32(pb, 0x0); /* reserved */
+ put_be32(pb, 0x0); /* reserved */
+ put_be32(pb, 0x0); /* reserved */
+ put_be32(pb, 0x40000000); /* reserved */
+
+ put_be32(pb, 0); /* reserved (preview time) */
+ put_be32(pb, 0); /* reserved (preview duration) */
+ put_be32(pb, 0); /* reserved (poster time) */
+ put_be32(pb, 0); /* reserved (selection time) */
+ put_be32(pb, 0); /* reserved (selection duration) */
+ put_be32(pb, 0); /* reserved (current time) */
+ put_be32(pb, maxTrackID+1); /* Next track id */
+ return 0x6c;
+}
+
+static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov,
+ AVFormatContext *s)
+{
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); /* size */
+ put_tag(pb, "hdlr");
+ put_be32(pb, 0);
+ put_be32(pb, 0);
+ put_tag(pb, "mdir");
+ put_tag(pb, "appl");
+ put_be32(pb, 0);
+ put_be32(pb, 0);
+ put_be16(pb, 0);
+ return updateSize(pb, pos);
+}
+
+/* helper function to write a data tag with the specified string as data */
+static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
+{
+ if(long_style){
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); /* size */
+ put_tag(pb, "data");
+ put_be32(pb, 1);
+ put_be32(pb, 0);
+ put_buffer(pb, data, strlen(data));
+ return updateSize(pb, pos);
+ }else{
+ put_be16(pb, strlen(data)); /* string length */
+ put_be16(pb, 0);
+ put_buffer(pb, data, strlen(data));
+ return strlen(data) + 4;
+ }
+}
+
+static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
+ int size = 0;
+ if (value && value[0]) {
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); /* size */
+ put_tag(pb, name);
+ mov_write_string_data_tag(pb, value, long_style);
+ size= updateSize(pb, pos);
+ }
+ return size;
+}
+
+/* iTunes year */
+static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
+{
+ if(year){
+ char year_str[5];
+ snprintf(year_str, sizeof(year_str), "%04d", year);
+ return mov_write_string_tag(pb, "\251day", year_str, long_style);
+ }else
+ return 0;
+}
+
+/* iTunes track number */
+static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov,
+ AVFormatContext *s)
+{
+ int size = 0;
+ if (s->track) {
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); /* size */
+ put_tag(pb, "trkn");
+ {
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); /* size */
+ put_tag(pb, "data");
+ put_be32(pb, 0); // 8 bytes empty
+ put_be32(pb, 0);
+ put_be16(pb, 0); // empty
+ put_be16(pb, s->track); // track number
+ put_be16(pb, 0); // total track number
+ put_be16(pb, 0); // empty
+ updateSize(pb, pos);
+ }
+ size = updateSize(pb, pos);
+ }
+ return size;
+}
+
+/* iTunes meta data list */
+static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov,
+ AVFormatContext *s)
+{
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); /* size */
+ put_tag(pb, "ilst");
+ mov_write_string_tag(pb, "\251nam", s->title , 1);
+ mov_write_string_tag(pb, "\251ART", s->author , 1);
+ mov_write_string_tag(pb, "\251wrt", s->author , 1);
+ mov_write_string_tag(pb, "\251alb", s->album , 1);
+ mov_write_day_tag(pb, s->year ,1);
+ if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
+ mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
+ mov_write_string_tag(pb, "\251cmt", s->comment , 1);
+ mov_write_string_tag(pb, "\251gen", s->genre , 1);
+ mov_write_trkn_tag(pb, mov, s);
+ return updateSize(pb, pos);
+}
+
+/* iTunes meta data tag */
+static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov,
+ AVFormatContext *s)
+{
+ int size = 0;
+
+ // only save meta tag if required
+ if (s->title[0] || s->author[0] || s->album[0] || s->year ||
+ s->comment[0] || s->genre[0] || s->track) {
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); /* size */
+ put_tag(pb, "meta");
+ put_be32(pb, 0);
+ mov_write_itunes_hdlr_tag(pb, mov, s);
+ mov_write_ilst_tag(pb, mov, s);
+ size = updateSize(pb, pos);
+ }
+ return size;
+}
+
+static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
+ AVFormatContext *s)
+{
+ int i, req = 0;
+
+ /* Requirements */
+ for (i=0; i<mov->nb_streams; i++) {
+ if(mov->tracks[i].entry <= 0) continue;
+ if (mov->tracks[i].enc->codec_id == CODEC_ID_AAC ||
+ mov->tracks[i].enc->codec_id == CODEC_ID_MPEG4) {
+ req = 1;
+ break;
+ }
+ }
+
+ if (s->title[0] || s->author[0] || s->album[0] || s->year ||
+ s->comment[0] || s->genre[0] || s->track ||
+ (mov->mode == MODE_MOV &&
+ ((mov->tracks[0].enc && !mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT) || req))) {
+ offset_t pos = url_ftell(pb);
+
+ put_be32(pb, 0); /* size */
+ put_tag(pb, "udta");
+
+ /* iTunes meta data */
+ mov_write_meta_tag(pb, mov, s);
+
+ if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
+ /* Requirements */
+ if (req)
+ mov_write_string_tag(pb, "\251req", "QuickTime 6.0 or greater", 0);
+
+ mov_write_string_tag(pb, "\251nam", s->title , 0);
+ mov_write_string_tag(pb, "\251aut", s->author , 0);
+ mov_write_string_tag(pb, "\251alb", s->album , 0);
+ mov_write_day_tag(pb, s->year, 0);
+ if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
+ mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
+ mov_write_string_tag(pb, "\251des", s->comment , 0);
+ mov_write_string_tag(pb, "\251gen", s->genre , 0);
+ }
+
+ return updateSize(pb, pos);
+ }
+
+ return 0;
+}
+
+static int utf8len(const uint8_t *b){
+ int len=0;
+ int val;
+ while(*b){
+ GET_UTF8(val, *b++, return -1;)
+ len++;
+ }
+ return len;
+}
+
+static int ascii_to_wc (ByteIOContext *pb, const uint8_t *b)
+{
+ int val;
+ while(*b){
+ GET_UTF8(val, *b++, return -1;)
+ put_be16(pb, val);
+ }
+ put_be16(pb, 0x00);
+ return 0;
+}
+
+static uint16_t language_code (const char *str)
+{
+ return ((((str[0]-0x60) & 0x1F)<<10) + (((str[1]-0x60) & 0x1F)<<5) + ((str[2]-0x60) & 0x1F));
+}
+
+static int mov_write_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s)
+{
+ size_t len, size;
+ offset_t pos, curpos;
+
+ size = 0;
+ if (s->title[0]) {
+ pos = url_ftell(pb);
+ put_be32(pb, 0); /* size placeholder*/
+ put_tag(pb, "uuid");
+ put_tag(pb, "USMT");
+ put_be32(pb, 0x21d24fce); /* 96 bit UUID */
+ put_be32(pb, 0xbb88695c);
+ put_be32(pb, 0xfac9c740);
+ size += 24;
+
+ put_be32(pb, 0); /* size placeholder*/
+ put_tag(pb, "MTDT");
+ put_be16(pb, 4);
+ size += 10;
+
+ // ?
+ put_be16(pb, 0x0C); /* size */
+ put_be32(pb, 0x0B); /* type */
+ put_be16(pb, language_code("und")); /* language */
+ put_be16(pb, 0x0); /* ? */
+ put_be16(pb, 0x021C); /* data */
+ size += 12;
+
+ // Encoder
+ len = utf8len(LIBAVCODEC_IDENT)+1;
+ if(len<=0)
+ goto not_utf8;
+ put_be16(pb, len*2+10); /* size */
+ put_be32(pb, 0x04); /* type */
+ put_be16(pb, language_code("eng")); /* language */
+ put_be16(pb, 0x01); /* ? */
+ ascii_to_wc(pb, LIBAVCODEC_IDENT);
+ size += len*2+10;
+
+ // Title
+ len = utf8len(s->title)+1;
+ if(len<=0)
+ goto not_utf8;
+ put_be16(pb, len*2+10); /* size */
+ put_be32(pb, 0x01); /* type */
+ put_be16(pb, language_code("eng")); /* language */
+ put_be16(pb, 0x01); /* ? */
+ ascii_to_wc (pb, s->title);
+ size += len*2+10;
+
+ // Date
+// snprintf(dt,32,"%04d/%02d/%02d %02d:%02d:%02d",t_st->tm_year+1900,t_st->tm_mon+1,t_st->tm_mday,t_st->tm_hour,t_st->tm_min,t_st->tm_sec);
+ len = utf8len("2006/04/01 11:11:11")+1;
+ if(len<=0)
+ goto not_utf8;
+ put_be16(pb, len*2+10); /* size */
+ put_be32(pb, 0x03); /* type */
+ put_be16(pb, language_code("und")); /* language */
+ put_be16(pb, 0x01); /* ? */
+ ascii_to_wc (pb, "2006/04/01 11:11:11");
+ size += len*2+10;
+
+ // size
+ curpos = url_ftell(pb);
+ url_fseek(pb, pos, SEEK_SET);
+ put_be32(pb, size);
+ url_fseek(pb, pos+24, SEEK_SET);
+ put_be32(pb, size-24);
+ url_fseek(pb, curpos, SEEK_SET);
+ }
+
+ return size;
+not_utf8:
+ av_log(s, AV_LOG_ERROR, "not utf8\n");
+ return -1;
+}
+
+static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
+ AVFormatContext *s)
+{
+ int i;
+ offset_t pos = url_ftell(pb);
+ put_be32(pb, 0); /* size placeholder*/
+ put_tag(pb, "moov");
+ mov->timescale = globalTimescale;
+
+ for (i=0; i<mov->nb_streams; i++) {
+ if(mov->tracks[i].entry <= 0) continue;
+
+ mov->tracks[i].time = mov->time;
+ mov->tracks[i].trackID = i+1;
+ }
+
+ mov_write_mvhd_tag(pb, mov);
+ //mov_write_iods_tag(pb, mov);
+ for (i=0; i<mov->nb_streams; i++) {
+ if(mov->tracks[i].entry > 0) {
+ mov_write_trak_tag(pb, &(mov->tracks[i]));
+ }
+ }
+
+ if (mov->mode == MODE_PSP)
+ mov_write_uuidusmt_tag(pb, s);
+ else if (mov->mode != MODE_3GP && mov->mode != MODE_3G2)
+ mov_write_udta_tag(pb, mov, s);
+
+ return updateSize(pb, pos);
+}
+
+static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
+{
+ put_be32(pb, 8); // placeholder for extended size field (64 bit)
+ put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
+
+ mov->mdat_pos = url_ftell(pb);
+ put_be32(pb, 0); /* size placeholder*/
+ put_tag(pb, "mdat");
+ return 0;
+}
+
+/* TODO: This needs to be more general */
+static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s)
+{
+ MOVContext *mov = s->priv_data;
+
+ put_be32(pb, 0x14); /* size */
+ put_tag(pb, "ftyp");
+
+ if (mov->mode == MODE_3GP)
+ put_tag(pb, "3gp4");
+ else if (mov->mode == MODE_3G2)
+ put_tag(pb, "3g2a");
+ else if (mov->mode == MODE_PSP)
+ put_tag(pb, "MSNV");
+ else if (mov->mode == MODE_MP4)
+ put_tag(pb, "isom");
+ else
+ put_tag(pb, "qt ");
+
+ put_be32(pb, 0x200);
+
+ if (mov->mode == MODE_3GP)
+ put_tag(pb, "3gp4");
+ else if (mov->mode == MODE_3G2)
+ put_tag(pb, "3g2a");
+ else if (mov->mode == MODE_PSP)
+ put_tag(pb, "MSNV");
+ else if (mov->mode == MODE_MP4)
+ put_tag(pb, "mp41");
+ else
+ put_tag(pb, "qt ");
+}
+
+static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
+{
+ AVCodecContext *VideoCodec = s->streams[0]->codec;
+ AVCodecContext *AudioCodec = s->streams[1]->codec;
+ int AudioRate = AudioCodec->sample_rate;
+ int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
+ int audio_kbitrate= AudioCodec->bit_rate / 1000;
+ int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
+
+ put_be32(pb, 0x94); /* size */
+ put_tag(pb, "uuid");
+ put_tag(pb, "PROF");
+
+ put_be32(pb, 0x21d24fce); /* 96 bit UUID */
+ put_be32(pb, 0xbb88695c);
+ put_be32(pb, 0xfac9c740);
+
+ put_be32(pb, 0x0); /* ? */
+ put_be32(pb, 0x3); /* 3 sections ? */
+
+ put_be32(pb, 0x14); /* size */
+ put_tag(pb, "FPRF");
+ put_be32(pb, 0x0); /* ? */
+ put_be32(pb, 0x0); /* ? */
+ put_be32(pb, 0x0); /* ? */
+
+ put_be32(pb, 0x2c); /* size */
+ put_tag(pb, "APRF"); /* audio */
+ put_be32(pb, 0x0);
+ put_be32(pb, 0x2); /* TrackID */
+ put_tag(pb, "mp4a");
+ put_be32(pb, 0x20f);
+ put_be32(pb, 0x0);
+ put_be32(pb, audio_kbitrate);
+ put_be32(pb, audio_kbitrate);
+ put_be32(pb, AudioRate);
+ put_be32(pb, AudioCodec->channels);
+
+ put_be32(pb, 0x34); /* size */
+ put_tag(pb, "VPRF"); /* video */
+ put_be32(pb, 0x0);
+ put_be32(pb, 0x1); /* TrackID */
+ if (VideoCodec->codec_id == CODEC_ID_H264) {
+ put_tag(pb, "avc1");
+ put_be16(pb, 0x014D);
+ put_be16(pb, 0x0015);
+ } else {
+ put_tag(pb, "mp4v");
+ put_be16(pb, 0x0000);
+ put_be16(pb, 0x0103);
+ }
+ put_be32(pb, 0x0);
+ put_be32(pb, video_kbitrate);
+ put_be32(pb, video_kbitrate);
+ put_be32(pb, FrameRate);
+ put_be32(pb, FrameRate);
+ put_be16(pb, VideoCodec->width);
+ put_be16(pb, VideoCodec->height);
+ put_be32(pb, 0x010001); /* ? */
+}
+
+static int mov_write_header(AVFormatContext *s)
+{
+ ByteIOContext *pb = s->pb;
+ MOVContext *mov = s->priv_data;
+ int i;
+
+ if (url_is_streamed(s->pb)) {
+ av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
+ return -1;
+ }
+
+ /* Default mode == MP4 */
+ mov->mode = MODE_MP4;
+
+ if (s->oformat != NULL) {
+ if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
+ else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2;
+ else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
+ else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
+
+ mov_write_ftyp_tag(pb,s);
+ if (mov->mode == MODE_PSP) {
+ if (s->nb_streams != 2) {
+ av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
+ return -1;
+ }
+ mov_write_uuidprof_tag(pb,s);
+ }
+ }
+
+ for(i=0; i<s->nb_streams; i++){
+ AVStream *st= s->streams[i];
+ MOVTrack *track= &mov->tracks[i];
+
+ track->enc = st->codec;
+ track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
+ track->mode = mov->mode;
+ track->tag = mov_find_codec_tag(s, track);
+ if (!track->tag) {
+ av_log(s, AV_LOG_ERROR, "track %d: could not find tag for codec\n", i);
+ return -1;
+ }
+ if(st->codec->codec_type == CODEC_TYPE_VIDEO){
+ track->timescale = st->codec->time_base.den;
+ av_set_pts_info(st, 64, 1, st->codec->time_base.den);
+ if (track->mode == MODE_MOV && track->timescale > 100000)
+ av_log(s, AV_LOG_WARNING,
+ "WARNING codec timebase is very high. If duration is too long,\n"
+ "file may not be playable by quicktime. Specify a shorter timebase\n"
+ "or choose different container.\n");
+ }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
+ track->timescale = st->codec->sample_rate;
+ av_set_pts_info(st, 64, 1, st->codec->sample_rate);
+ if(!st->codec->frame_size){
+ av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
+ return -1;
+ }else if(st->codec->frame_size > 1){ /* assume compressed audio */
+ track->audio_vbr = 1;
+ }else{
+ track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
+ }
+ }
+ }
+
+ mov_write_mdat_tag(pb, mov);
+ mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
+ mov->nb_streams = s->nb_streams;
+
+ put_flush_packet(pb);
+
+ return 0;
+}
+
+static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
+{
+ MOVContext *mov = s->priv_data;
+ ByteIOContext *pb = s->pb;
+ MOVTrack *trk = &mov->tracks[pkt->stream_index];
+ AVCodecContext *enc = trk->enc;
+ unsigned int samplesInChunk = 0;
+ int size= pkt->size;
+
+ if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
+ if (!size) return 0; /* Discard 0 sized packets */
+
+ if (enc->codec_id == CODEC_ID_AMR_NB) {
+ /* We must find out how many AMR blocks there are in one packet */
+ static uint16_t packed_size[16] =
+ {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
+ int len = 0;
+
+ while (len < size && samplesInChunk < 100) {
+ len += packed_size[(pkt->data[len] >> 3) & 0x0F];
+ samplesInChunk++;
+ }
+ if(samplesInChunk > 1){
+ av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
+ return -1;
+ }
+ } else if (trk->sampleSize)
+ samplesInChunk = size/trk->sampleSize;
+ else
+ samplesInChunk = 1;
+
+ /* copy extradata if it exists */
+ if (trk->vosLen == 0 && enc->extradata_size > 0) {
+ trk->vosLen = enc->extradata_size;
+ trk->vosData = av_malloc(trk->vosLen);
+ memcpy(trk->vosData, enc->extradata, trk->vosLen);
+ }
+
+ if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
+ /* from x264 or from bytestream h264 */
+ /* nal reformating needed */
+ int ret = ff_avc_parse_nal_units(pkt->data, &pkt->data, &pkt->size);
+ if (ret < 0)
+ return ret;
+ assert(pkt->size);
+ size = pkt->size;
+ } else if (enc->codec_id == CODEC_ID_DNXHD && !trk->vosLen) {
+ /* copy frame header to create needed atoms */
+ if (size < 640)
+ return -1;
+ trk->vosLen = 640;
+ trk->vosData = av_malloc(trk->vosLen);
+ memcpy(trk->vosData, pkt->data, 640);
+ }
+
+ if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
+ trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
+ if (!trk->cluster)
+ return -1;
+ }
+
+ trk->cluster[trk->entry].pos = url_ftell(pb);
+ trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
+ trk->cluster[trk->entry].size = size;
+ trk->cluster[trk->entry].entries = samplesInChunk;
+ trk->cluster[trk->entry].dts = pkt->dts;
+ trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
+
+ if(enc->codec_type == CODEC_TYPE_VIDEO) {
+ if (pkt->dts != pkt->pts)
+ trk->hasBframes = 1;
+ trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
+ trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
+ if(trk->cluster[trk->entry].key_frame)
+ trk->hasKeyframes++;
+ }
+ trk->entry++;
+ trk->sampleCount += samplesInChunk;
+ mov->mdat_size += size;
+
+ put_buffer(pb, pkt->data, size);
+
+ put_flush_packet(pb);
+ return 0;
+}
+
+static int mov_write_trailer(AVFormatContext *s)
+{
+ MOVContext *mov = s->priv_data;
+ ByteIOContext *pb = s->pb;
+ int res = 0;
+ int i;
+
+ offset_t moov_pos = url_ftell(pb);
+
+ /* Write size of mdat tag */
+ if (mov->mdat_size+8 <= UINT32_MAX) {
+ url_fseek(pb, mov->mdat_pos, SEEK_SET);
+ put_be32(pb, mov->mdat_size+8);
+ } else {
+ /* overwrite 'wide' placeholder atom */
+ url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
+ put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
+ put_tag(pb, "mdat");
+ put_be64(pb, mov->mdat_size+16);
+ }
+ url_fseek(pb, moov_pos, SEEK_SET);
+
+ mov_write_moov_tag(pb, mov, s);
+
+ for (i=0; i<mov->nb_streams; i++) {
+ av_freep(&mov->tracks[i].cluster);
+
+ if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
+
+ }
+
+ put_flush_packet(pb);
+
+ return res;
+}
+
+#ifdef CONFIG_MOV_MUXER
+AVOutputFormat mov_muxer = {
+ "mov",
+ "mov format",
+ NULL,
+ "mov",
+ sizeof(MOVContext),
+ CODEC_ID_AAC,
+ CODEC_ID_MPEG4,
+ mov_write_header,
+ mov_write_packet,
+ mov_write_trailer,
+ .flags = AVFMT_GLOBALHEADER,
+ .codec_tag = (const AVCodecTag*[]){codec_movvideo_tags, codec_movaudio_tags, 0},
+};
+#endif
+#ifdef CONFIG_TGP_MUXER
+AVOutputFormat tgp_muxer = {
+ "3gp",
+ "3gp format",
+ NULL,
+ "3gp",
+ sizeof(MOVContext),
+ CODEC_ID_AMR_NB,
+ CODEC_ID_H263,
+ mov_write_header,
+ mov_write_packet,
+ mov_write_trailer,
+ .flags = AVFMT_GLOBALHEADER,
+ .codec_tag = (const AVCodecTag*[]){codec_3gp_tags, 0},
+};
+#endif
+#ifdef CONFIG_MP4_MUXER
+AVOutputFormat mp4_muxer = {
+ "mp4",
+ "mp4 format",
+ "application/mp4",
+ "mp4,m4a",
+ sizeof(MOVContext),
+ CODEC_ID_AAC,
+ CODEC_ID_MPEG4,
+ mov_write_header,
+ mov_write_packet,
+ mov_write_trailer,
+ .flags = AVFMT_GLOBALHEADER,
+ .codec_tag = (const AVCodecTag*[]){ff_mp4_obj_type, 0},
+};
+#endif
+#ifdef CONFIG_PSP_MUXER
+AVOutputFormat psp_muxer = {
+ "psp",
+ "psp mp4 format",
+ NULL,
+ "mp4,psp",
+ sizeof(MOVContext),
+ CODEC_ID_AAC,
+ CODEC_ID_MPEG4,
+ mov_write_header,
+ mov_write_packet,
+ mov_write_trailer,
+ .flags = AVFMT_GLOBALHEADER,
+ .codec_tag = (const AVCodecTag*[]){ff_mp4_obj_type, 0},
+};
+#endif
+#ifdef CONFIG_TG2_MUXER
+AVOutputFormat tg2_muxer = {
+ "3g2",
+ "3gp2 format",
+ NULL,
+ "3g2",
+ sizeof(MOVContext),
+ CODEC_ID_AMR_NB,
+ CODEC_ID_H263,
+ mov_write_header,
+ mov_write_packet,
+ mov_write_trailer,
+ .flags = AVFMT_GLOBALHEADER,
+ .codec_tag = (const AVCodecTag*[]){codec_3gp_tags, 0},
+};
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-02 06:47:35 +0000