* Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
* Copyright (c) 2009 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 <assert.h>
static const AVOption options[] = {
+ { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), FF_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
+ { "rtphint", "Add RTP hint tracks", 0, FF_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ NULL },
};
avio_w8(pb, size & 0x7F);
}
+static unsigned compute_avg_bitrate(MOVTrack *track)
+{
+ uint64_t size = 0;
+ int i;
+ for (i = 0; i < track->entry; i++)
+ size += track->cluster[i].size;
+ return size * 8 * track->timescale / track->trackDuration;
+}
+
static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
{
int64_t pos = avio_tell(pb);
int decoderSpecificInfoLen = track->vosLen ? 5+track->vosLen : 0;
+ unsigned avg_bitrate;
avio_wb32(pb, 0); // size
ffio_wfourcc(pb, "esds");
avio_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
- avio_wb32(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)
- avio_wb32(pb, 0); // vbr
- else
- avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
+ avg_bitrate = compute_avg_bitrate(track);
+ // maxbitrate (FIXME should be max rate in any 1 sec window)
+ avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
+ avio_wb32(pb, avg_bitrate);
if (track->vosLen) {
// DecoderSpecific info descriptor
// 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)
{
- avio_wb32(pb, 0x24); /* size */
+ int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
+ track->timescale, AV_ROUND_UP);
+ int version = duration < INT32_MAX ? 0 : 1;
+ int entry_size, entry_count, size;
+ int64_t delay, start_ct = track->cluster[0].cts;
+ delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
+ track->timescale, AV_ROUND_DOWN);
+ version |= delay < INT32_MAX ? 0 : 1;
+
+ entry_size = (version == 1) ? 20 : 12;
+ entry_count = 1 + (delay > 0);
+ size = 24 + entry_count * entry_size;
+
+ /* write the atom data */
+ avio_wb32(pb, size);
ffio_wfourcc(pb, "edts");
- avio_wb32(pb, 0x1c); /* size */
+ avio_wb32(pb, size - 8);
ffio_wfourcc(pb, "elst");
- avio_wb32(pb, 0x0);
- avio_wb32(pb, 0x1);
+ avio_w8(pb, version);
+ avio_wb24(pb, 0); /* flags */
- /* duration ... doesn't seem to effect psp */
- avio_wb32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
- track->timescale, AV_ROUND_UP));
+ avio_wb32(pb, entry_count);
+ if (delay > 0) { /* add an empty edit to delay presentation */
+ if (version == 1) {
+ avio_wb64(pb, delay);
+ avio_wb64(pb, -1);
+ } else {
+ avio_wb32(pb, delay);
+ avio_wb32(pb, -1);
+ }
+ avio_wb32(pb, 0x00010000);
+ }
- avio_wb32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
+ /* duration */
+ if (version == 1) {
+ avio_wb64(pb, duration);
+ avio_wb64(pb, start_ct);
+ } else {
+ avio_wb32(pb, duration);
+ avio_wb32(pb, start_ct);
+ }
avio_wb32(pb, 0x00010000);
- return 0x24;
+ return size;
}
static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
return 0x34;
}
-static int mov_write_udta_sdp(AVIOContext *pb, AVCodecContext *ctx, int index)
+static int mov_write_udta_sdp(AVIOContext *pb, AVFormatContext *ctx, int index)
{
char buf[1000] = "";
int len;
- ff_sdp_write_media(buf, sizeof(buf), ctx, NULL, NULL, 0, 0);
+ ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0]->codec, NULL, NULL, 0, 0, ctx->flags);
av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
len = strlen(buf);
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)
+ 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 (track->tref_tag)
mov_write_tref_tag(pb, track);
if (track->mode == MODE_PSP)
mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
if (track->tag == MKTAG('r','t','p',' '))
- mov_write_udta_sdp(pb, track->rtp_ctx->streams[0]->codec, track->trackID);
+ mov_write_udta_sdp(pb, track->rtp_ctx, track->trackID);
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
/* from x264 or from bytestream h264 */
/* nal reformating needed */
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 {
avio_write(pb, pkt->data, size);
}
if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
mov->chapter_track = mov->nb_streams++;
+#if FF_API_FLAG_RTP_HINT
if (s->flags & AVFMT_FLAG_RTP_HINT) {
+ av_log(s, AV_LOG_WARNING, "The RTP_HINT flag is deprecated, enable it "
+ "via the -movflags rtphint muxer option "
+ "instead.\n");
+ mov->flags |= FF_MOV_FLAG_RTP_HINT;
+ }
+#endif
+ if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
/* Add hint tracks for each audio and video stream */
hint_track = mov->nb_streams;
for (i = 0; i < s->nb_streams; i++) {
if (mov->chapter_track)
mov_create_chapter_track(s, mov->chapter_track);
- if (s->flags & AVFMT_FLAG_RTP_HINT) {
+ if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
/* Initialize the hint tracks for each audio and video stream */
for (i = 0; i < s->nb_streams; i++) {
AVStream *st = s->streams[i];
projects / ffmpeg / blobdiff