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path: root/libavformat/movenc.c
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Diffstat (limited to 'libavformat/movenc.c')
-rw-r--r--libavformat/movenc.c112
1 files changed, 86 insertions, 26 deletions
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 1b61706da3..ebfcacb107 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -32,10 +32,27 @@
#include "libavcodec/put_bits.h"
#include "internal.h"
#include "libavutil/avstring.h"
+#include "libavutil/opt.h"
+#include "libavutil/dict.h"
+#include "rtpenc.h"
#undef NDEBUG
#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" },
+ FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
+ { NULL },
+};
+
+static const AVClass mov_muxer_class = {
+ .class_name = "MOV/3GP/MP4/3G2 muxer",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
//FIXME support 64 bit variant with wide placeholders
static int64_t updateSize(AVIOContext *pb, int64_t pos)
{
@@ -1274,20 +1291,49 @@ static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
// 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)
@@ -1319,12 +1365,12 @@ static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
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);
av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
len = strlen(buf);
@@ -1344,7 +1390,7 @@ static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
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);
@@ -1352,7 +1398,7 @@ static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
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)
@@ -1491,15 +1537,15 @@ static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
int long_style)
{
int l, lang = 0, len, len2;
- AVMetadataTag *t, *t2 = NULL;
+ AVDictionaryEntry *t, *t2 = NULL;
char tag2[16];
- if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
+ if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
return 0;
len = strlen(t->key);
snprintf(tag2, sizeof(tag2), "%s-", tag);
- while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
+ while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
len2 = strlen(t2->key);
if (len2 == len+4 && !strcmp(t->value, t2->value)
&& (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
@@ -1514,7 +1560,7 @@ static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
AVFormatContext *s)
{
- AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
+ AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
int size = 0, track = t ? atoi(t->value) : 0;
if (track) {
avio_wb32(pb, 32); /* size */
@@ -1606,7 +1652,7 @@ static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
const char *tag, const char *str)
{
int64_t pos = avio_tell(pb);
- AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
+ AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
if (!t || !utf8len(t->value))
return 0;
avio_wb32(pb, 0); /* size */
@@ -1618,7 +1664,7 @@ static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
avio_wb16(pb, language_code("eng")); /* language */
avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
if (!strcmp(tag, "albm") &&
- (t = av_metadata_get(s->metadata, "track", NULL, 0)))
+ (t = av_dict_get(s->metadata, "track", NULL, 0)))
avio_w8(pb, atoi(t->value));
}
return updateSize(pb, pos);
@@ -1637,10 +1683,10 @@ static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
for (i = 0; i < nb_chapters; i++) {
AVChapter *c = s->chapters[i];
- AVMetadataTag *t;
+ AVDictionaryEntry *t;
avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
- if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
+ if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
int len = FFMIN(strlen(t->value), 255);
avio_w8(pb, len);
avio_write(pb, t->value, len);
@@ -1718,7 +1764,7 @@ static void mov_write_psp_udta_tag(AVIOContext *pb,
static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
{
- AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
+ AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
int64_t pos, pos2;
if (title) {
@@ -2072,13 +2118,13 @@ static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
for (i = 0; i < s->nb_chapters; i++) {
AVChapter *c = s->chapters[i];
- AVMetadataTag *t;
+ AVDictionaryEntry *t;
int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
pkt.duration = end - pkt.dts;
- if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
+ if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
len = strlen(t->value);
pkt.size = len+2;
pkt.data = av_malloc(pkt.size);
@@ -2125,7 +2171,15 @@ static int mov_write_header(AVFormatContext *s)
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++) {
@@ -2144,7 +2198,7 @@ static int mov_write_header(AVFormatContext *s)
for(i=0; i<s->nb_streams; i++){
AVStream *st= s->streams[i];
MOVTrack *track= &mov->tracks[i];
- AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
+ AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
track->enc = st->codec;
track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
@@ -2221,7 +2275,7 @@ static int mov_write_header(AVFormatContext *s)
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];
@@ -2298,6 +2352,7 @@ AVOutputFormat ff_mov_muxer = {
mov_write_trailer,
.flags = AVFMT_GLOBALHEADER,
.codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
+ .priv_class = &mov_muxer_class,
};
#endif
#if CONFIG_TGP_MUXER
@@ -2314,6 +2369,7 @@ AVOutputFormat ff_tgp_muxer = {
mov_write_trailer,
.flags = AVFMT_GLOBALHEADER,
.codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
+ .priv_class = &mov_muxer_class,
};
#endif
#if CONFIG_MP4_MUXER
@@ -2330,6 +2386,7 @@ AVOutputFormat ff_mp4_muxer = {
mov_write_trailer,
.flags = AVFMT_GLOBALHEADER,
.codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
+ .priv_class = &mov_muxer_class,
};
#endif
#if CONFIG_PSP_MUXER
@@ -2346,6 +2403,7 @@ AVOutputFormat ff_psp_muxer = {
mov_write_trailer,
.flags = AVFMT_GLOBALHEADER,
.codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
+ .priv_class = &mov_muxer_class,
};
#endif
#if CONFIG_TG2_MUXER
@@ -2362,6 +2420,7 @@ AVOutputFormat ff_tg2_muxer = {
mov_write_trailer,
.flags = AVFMT_GLOBALHEADER,
.codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
+ .priv_class = &mov_muxer_class,
};
#endif
#if CONFIG_IPOD_MUXER
@@ -2378,5 +2437,6 @@ AVOutputFormat ff_ipod_muxer = {
mov_write_trailer,
.flags = AVFMT_GLOBALHEADER,
.codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
+ .priv_class = &mov_muxer_class,
};
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-21 00:04:22 +0300