#include "libavcodec/put_bits.h"
#include "internal.h"
#include "libavutil/avstring.h"
-#include "libavutil/intfloat_readwrite.h"
+#include "libavutil/intfloat.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/dict.h"
#include "rtpenc.h"
+#include "mov_chan.h"
#undef NDEBUG
#include <assert.h>
{ "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
+ { "frag_size", "maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
+ { "frag_duration", "maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
{ NULL },
};
.version = LIBAVUTIL_VERSION_INT,\
};
+static int update_first_fragment(AVFormatContext *s);
+
//FIXME support 64 bit variant with wide placeholders
static int64_t updateSize(AVIOContext *pb, int64_t pos)
{
/**
* This function writes extradata "as is".
- * Extradata must be formated like a valid atom (with size and tag)
+ * Extradata must be formatted like a valid atom (with size and tag).
*/
static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
{
return updateSize(pb, pos);
}
+static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
+{
+ uint32_t layout_tag, bitmap;
+ int64_t pos = avio_tell(pb);
+
+ layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
+ track->enc->channel_layout,
+ &bitmap);
+ if (!layout_tag) {
+ av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
+ "lack of channel information\n");
+ return 0;
+ }
+
+ avio_wb32(pb, 0); // Size
+ ffio_wfourcc(pb, "chan"); // Type
+ avio_w8(pb, 0); // Version
+ avio_wb24(pb, 0); // Flags
+ avio_wb32(pb, layout_tag); // mChannelLayoutTag
+ avio_wb32(pb, bitmap); // mChannelBitmap
+ avio_wb32(pb, 0); // mNumberChannelDescriptions
+
+ return updateSize(pb, pos);
+}
+
static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
} else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
mov_write_amr_tag(pb, track);
} else if (track->enc->codec_id == CODEC_ID_AC3) {
+ mov_write_chan_tag(pb, track);
mov_write_ac3_tag(pb, track);
} else if (track->enc->codec_id == CODEC_ID_ALAC) {
mov_write_extradata_tag(pb, track);
uint32_t tag = track->tag;
if (track->mode == MODE_MOV) {
- if (track->timescale > UINT16_MAX) {
- if (mov_get_lpcm_flags(track->enc->codec_id))
- tag = AV_RL32("lpcm");
- version = 2;
- } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
- track->enc->codec_id == CODEC_ID_ADPCM_MS ||
- track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
- version = 1;
- }
+ if (mov_get_lpcm_flags(track->enc->codec_id))
+ tag = AV_RL32("lpcm");
+ version = 2;
}
avio_wb32(pb, 0); /* size */
avio_wb16(pb, 0);
avio_wb32(pb, 0x00010000);
avio_wb32(pb, 72);
- avio_wb64(pb, av_dbl2int(track->timescale));
+ avio_wb64(pb, av_double2int(track->timescale));
avio_wb32(pb, track->enc->channels);
avio_wb32(pb, 0x7F000000);
avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
avio_wb32(pb, track->sampleSize);
- avio_wb32(pb, track->enc->frame_size);
+ avio_wb32(pb, track->audio_vbr ? track->enc->frame_size : 1);
} else {
- if (track->mode == MODE_MOV) {
- avio_wb16(pb, track->enc->channels);
- if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
- track->enc->codec_id == CODEC_ID_PCM_S8)
- avio_wb16(pb, 8); /* bits per sample */
- else
- avio_wb16(pb, 16);
- avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
- } else { /* reserved for mp4/3gp */
- avio_wb16(pb, 2);
- avio_wb16(pb, 16);
- avio_wb16(pb, 0);
- }
+ /* reserved for mp4/3gp */
+ avio_wb16(pb, 2);
+ avio_wb16(pb, 16);
+ avio_wb16(pb, 0);
avio_wb16(pb, 0); /* packet size (= 0) */
avio_wb16(pb, track->timescale); /* Time scale */
avio_wb16(pb, 0); /* Reserved */
}
- if(version == 1) { /* SoundDescription V1 extended info */
- avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
- avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
- avio_wb32(pb, track->sampleSize); /* Bytes per frame */
- avio_wb32(pb, 2); /* Bytes per sample */
- }
-
if(track->mode == MODE_MOV &&
(track->enc->codec_id == CODEC_ID_AAC ||
track->enc->codec_id == CODEC_ID_AC3 ||
avio_wb32(pb, track->enc->height << 16);
return updateSize(pb, pos);
-};
+}
// This box seems important for the psp playback ... without it the movie seems to hang
static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
return len + 24;
}
-static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
+static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track, AVStream *st)
{
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "trak");
mov_write_tkhd_tag(pb, track, st);
- if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS || track->cluster[0].dts)
- mov_write_edts_tag(pb, track); // PSP Movies require edts box
+ if(!mov->fragments) // EDTS with fragments is tricky as we dont know the duration when its written
+ mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
if (track->tref_tag)
mov_write_tref_tag(pb, track);
mov_write_mdia_tag(pb, track);
return updateSize(pb, pos);
}
+static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
+{
+ int64_t pos = avio_tell(pb);
+ int flags=1;
+
+ avio_wb32(pb, 0);
+ ffio_wfourcc(pb, "tfhd");
+ avio_w8(pb, 0);
+ avio_wb24(pb, flags);
+ avio_wb32(pb, track->trackID);
+
+ track->base_data_offset_pos= avio_tell(pb);
+ if (flags & 0x01) avio_wb64(pb, 0);
+
+ return updateSize(pb, pos);
+}
+
+static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
+{
+ int64_t pos = avio_tell(pb);
+ int sample_count= track->entry - track->cluster_write_index;
+ int tr_flags=0;
+ int i;
+
+ tr_flags |= 0xF00; //FIXME
+
+ avio_wb32(pb, 0);
+ ffio_wfourcc(pb, "trun");
+ avio_w8(pb, 0);
+ avio_wb24(pb, tr_flags);
+ avio_wb32(pb, sample_count);
+ if(tr_flags&1) avio_wb32(pb, 0);
+
+ for(i=track->cluster_write_index; 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(tr_flags&0x100) avio_wb32(pb, duration);
+ if(tr_flags&0x200) avio_wb32(pb, track->cluster[i].size);
+ if(tr_flags&0x400) avio_wb32(pb, (track->cluster[i].flags&MOV_SYNC_SAMPLE) ? 0x02000000 : 0x01010000);
+ if(tr_flags&0x800) avio_wb32(pb, track->cluster[i].cts);
+ }
+
+ return updateSize(pb, pos);
+}
+
+static int mov_write_traf_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
+{
+ int64_t pos = avio_tell(pb);
+ avio_wb32(pb, 0); /* size */
+ ffio_wfourcc(pb, "traf");
+ mov_write_tfhd_tag(pb, track, st);
+ mov_write_trun_tag(pb, track);
+ return updateSize(pb, pos);
+}
+
#if 0
/* TODO: Not sorted out, but not necessary either */
static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
}
}
+static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
+{
+ int64_t pos = avio_tell(pb);
+ avio_wb32(pb, 0); /* size */
+ ffio_wfourcc(pb, "trex");
+
+ avio_w8(pb, 0);
+ avio_wb24(pb, 0);
+ avio_wb32(pb, track->trackID);
+ avio_wb32(pb, 1); // stsd_id
+ avio_wb32(pb, 1); // duration
+ avio_wb32(pb, 1/*Size*/);
+ avio_wb32(pb, 1<<16);
+ return updateSize(pb, pos);
+}
+
+static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov,
+ AVFormatContext *s)
+{
+ int i;
+ int64_t pos = avio_tell(pb);
+ avio_wb32(pb, 0); /* size placeholder*/
+ ffio_wfourcc(pb, "mvex");
+
+ for (i=0; i<mov->nb_streams; i++) {
+ if(mov->tracks[i].entry > 0) {
+ mov_write_trex_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
+ }
+ }
+
+ return updateSize(pb, pos);
+}
+
static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
AVFormatContext *s)
{
//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]), i < s->nb_streams ? s->streams[i] : NULL);
+ mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
}
}
+ if(mov->fragments)
+ mov_write_mvex_tag(pb, mov, s);
+
if (mov->mode == MODE_PSP)
mov_write_uuidusmt_tag(pb, s);
else
return updateSize(pb, pos);
}
+static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
+{
+ int i;
+ int64_t pos = avio_tell(pb);
+ avio_wb32(pb, 0); /* size placeholder*/
+ ffio_wfourcc(pb, "mfhd");
+ avio_wb32(pb, 0);
+ avio_wb32(pb, mov->frag_seq_num++);
+
+ return updateSize(pb, pos); //FIXME replace by hardcoded num also above
+}
+
+static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov,
+ AVFormatContext *s)
+{
+ int i;
+ int64_t pos = avio_tell(pb);
+ avio_wb32(pb, 0); /* size placeholder*/
+ ffio_wfourcc(pb, "moof");
+
+ mov_write_mfhd_tag(pb, mov);
+ for (i=0; i<mov->nb_streams; i++) {
+ if(mov->tracks[i].entry > 0) {
+ mov_write_traf_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
+ }
+ }
+
+ return updateSize(pb, pos);
+}
+
static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
{
avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
return 0;
}
+static int flush_cluster_buffer(AVFormatContext *s){
+ MOVMuxContext *mov = s->priv_data;
+ int i, j;
+ int has_data=0;
+
+ for (i=0; i<mov->nb_streams; i++){
+ MOVTrack *track= &mov->tracks[i];
+ if(track->entry != track->cluster_write_index)
+ has_data=1;
+ }
+
+ if(mov->frag_seq_num==0){
+ update_first_fragment(s);
+ mov->frag_seq_num++;
+ }else if(has_data) {
+ mov_write_moof_tag(s->pb, mov, s);
+ mov_write_mdat_tag(s->pb, mov);
+ for (i=0; i<mov->nb_streams; i++){
+ MOVTrack *track= &mov->tracks[i];
+ if(track->entry > 0) {
+ int64_t pos= avio_tell(s->pb);
+ avio_seek(s->pb, track->base_data_offset_pos, SEEK_SET);
+ avio_wb64(s->pb, pos);
+ avio_seek(s->pb, pos, SEEK_SET);
+ for(j=track->cluster_write_index; j<track->entry; j++){
+ avio_write(s->pb, track->cluster[j].data, track->cluster[j].size);
+ av_freep(&track->cluster[j].data);
+ }
+ }
+ }
+ updateSize(s->pb, mov->mdat_pos);
+ }
+ mov->mdat_size = 0;
+ for (i=0; i<mov->nb_streams; i++) {
+ MOVTrack *track= &mov->tracks[i];
+ track->cluster_write_index= track->entry;
+ }
+ avio_flush(s->pb);
+
+ return 0;
+}
+
int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
{
MOVMuxContext *mov = s->priv_data;
AVIOContext *pb = s->pb;
MOVTrack *trk = &mov->tracks[pkt->stream_index];
+ AVStream *st = s->streams[pkt->stream_index];
AVCodecContext *enc = trk->enc;
unsigned int samplesInChunk = 0;
int size= pkt->size;
+ uint8_t *reformatted_data = NULL;
if (!s->pb->seekable) return 0; /* Can't handle that */
if (!size) return 0; /* Discard 0 sized packets */
+ if (mov->fragments && trk->entry > trk->cluster_write_index &&
+ ( mov->max_fragment_duration && av_rescale_q(pkt->dts - trk->cluster[ trk->cluster_write_index ].dts, st->time_base, AV_TIME_BASE_Q) >= mov->max_fragment_duration
+ || mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size)
+ ){
+ flush_cluster_buffer(s);
+ }
+
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] =
av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
return -1;
}
- } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
- enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
- samplesInChunk = enc->frame_size;
} else if (trk->sampleSize)
samplesInChunk = size/trk->sampleSize;
else
memcpy(trk->vosData, enc->extradata, trk->vosLen);
}
+ if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
+ trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
+ if (!trk->cluster)
+ return -1;
+ }
+
if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
/* from x264 or from bytestream h264 */
/* nal reformating needed */
- size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
+ if(mov->frag_seq_num>0){
+ uint8_t *buf=NULL;
+ size= pkt->size;
+
+ if(ff_avc_parse_nal_units_buf(pkt->data, &buf, &size) < 0){
+ av_log(s, AV_LOG_ERROR, "malformated H264 bitstream\n");
+ return -1;
+ }
+ trk->cluster[trk->entry].data= buf;
+ if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
+ reformatted_data= av_malloc(size);
+ memcpy(reformatted_data, buf, size);
+ }
+ }else if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
+ ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
+ &size);
+ avio_write(pb, reformatted_data, size);
+ } else {
+ size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
+ }
} else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
(AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
return -1;
+ } else if (mov->frag_seq_num>0){
+ trk->cluster[trk->entry].data = av_malloc(size);
+ if (!trk->cluster[trk->entry].data)
+ return AVERROR(ENOMEM);
+ memcpy(trk->cluster[trk->entry].data, pkt->data, size);
} else {
avio_write(pb, pkt->data, size);
}
memcpy(trk->vosData, pkt->data, size);
}
- if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
- trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
- if (!trk->cluster)
- return -1;
- }
-
- trk->cluster[trk->entry].pos = avio_tell(pb) - size;
+ trk->cluster[trk->entry].pos = avio_tell(pb) - (mov->frag_seq_num==0 ? size : 0);
trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
trk->cluster[trk->entry].chunkNum = 0;
trk->cluster[trk->entry].size = size;
avio_flush(pb);
if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
- ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
+ ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
+ reformatted_data, size);
+ av_free(reformatted_data);
return 0;
}
/* Default mode == MP4 */
mov->mode = MODE_MP4;
+ if(mov->max_fragment_duration || mov->max_fragment_size){
+ mov->fragments= 1;
+ }
+
if (s->oformat != NULL) {
if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
"or choose different container.\n");
}else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
track->timescale = st->codec->sample_rate;
- if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
- av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
- goto error;
- }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
- st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
+ /* set sampleSize for PCM and ADPCM */
+ if (av_get_bits_per_sample(st->codec->codec_id)) {
if (!st->codec->block_align) {
- av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
+ av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
goto error;
}
track->sampleSize = st->codec->block_align;
- }else if(st->codec->frame_size > 1){ /* assume compressed audio */
+ }
+ /* set audio_vbr for compressed audio */
+ if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
+ if (!st->codec->frame_size) {
+ av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
+ goto error;
+ }
track->audio_vbr = 1;
- }else{
- st->codec->frame_size = 1;
- track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
}
if (track->mode != MODE_MOV) {
if (track->timescale > UINT16_MAX) {
return -1;
}
-static int mov_write_trailer(AVFormatContext *s)
+static int update_first_fragment(AVFormatContext *s)
{
MOVMuxContext *mov = s->priv_data;
AVIOContext *pb = s->pb;
avio_seek(pb, moov_pos, SEEK_SET);
}
+ return 0;
+}
+
+static int mov_write_trailer(AVFormatContext *s)
+{
+ MOVMuxContext *mov = s->priv_data;
+ AVIOContext *pb = s->pb;
+ int res = 0;
+ int i;
+
+ flush_cluster_buffer(s);
+
if (mov->chapter_track)
av_freep(&mov->tracks[mov->chapter_track].enc);
projects / ffmpeg / blobdiff