/*
* AVI muxer
- * Copyright (c) 2000 Fabrice Bellard.
+ * Copyright (c) 2000 Fabrice Bellard
*
* This file is part of FFmpeg.
*
#include "avformat.h"
#include "avi.h"
#include "riff.h"
+#include "libavutil/intreadwrite.h"
/*
* TODO:
* - fill all fields if non streamed (nb_frames for example)
*/
-#ifdef CONFIG_AVI_MUXER
typedef struct AVIIentry {
unsigned int flags, pos, len;
} AVIIentry;
typedef struct {
int64_t riff_start, movi_list, odml_list;
- int64_t frames_hdr_all, frames_hdr_strm[MAX_STREAMS];
- int audio_strm_length[MAX_STREAMS];
+ int64_t frames_hdr_all;
int riff_id;
- int packet_count[MAX_STREAMS];
-
- AVIIndex indexes[MAX_STREAMS];
} AVIContext;
+typedef struct {
+ int64_t frames_hdr_strm;
+ int audio_strm_length;
+ int packet_count;
+ int entry;
+
+ AVIIndex indexes;
+} AVIStream ;
+
static inline AVIIentry* avi_get_ientry(AVIIndex* idx, int ent_id)
{
int cl = ent_id / AVI_INDEX_CLUSTER_SIZE;
return &idx->cluster[cl][id];
}
-static int64_t avi_start_new_riff(AVIContext *avi, ByteIOContext *pb,
+static int64_t avi_start_new_riff(AVFormatContext *s, ByteIOContext *pb,
const char* riff_tag, const char* list_tag)
{
+ AVIContext *avi= s->priv_data;
int64_t loff;
int i;
avi->riff_id++;
- for (i=0; i<MAX_STREAMS; i++)
- avi->indexes[i].entry = 0;
+ for (i=0; i<s->nb_streams; i++){
+ AVIStream *avist= s->streams[i]->priv_data;
+ avist->indexes.entry = 0;
+ }
- avi->riff_start = start_tag(pb, "RIFF");
+ avi->riff_start = ff_start_tag(pb, "RIFF");
put_tag(pb, riff_tag);
- loff = start_tag(pb, "LIST");
+ loff = ff_start_tag(pb, "LIST");
put_tag(pb, list_tag);
return loff;
}
-static char* avi_stream2fourcc(char* tag, int index, enum CodecType type)
+static char* avi_stream2fourcc(char* tag, int index, enum AVMediaType type)
{
tag[0] = '0';
tag[1] = '0' + index;
- if (type == CODEC_TYPE_VIDEO) {
+ if (type == AVMEDIA_TYPE_VIDEO) {
tag[2] = 'd';
tag[3] = 'c';
+ } else if (type == AVMEDIA_TYPE_SUBTITLE) {
+ // note: this is not an official code
+ tag[2] = 's';
+ tag[3] = 'b';
} else {
tag[2] = 'w';
tag[3] = 'b';
}
}
-static void avi_write_info_tag2(AVFormatContext *s, const char *fourcc, const char *key1, const char *key2)
-{
- AVMetaDataTag *tag= av_metadata_get(s->meta_data, key1, NULL, AV_METADATA_IGNORE_CASE);
- if(!tag && key2)
- tag= av_metadata_get(s->meta_data, key2, NULL, AV_METADATA_IGNORE_CASE);
- if(tag)
- avi_write_info_tag(s->pb, fourcc, tag->value);
-}
-
static int avi_write_counters(AVFormatContext* s, int riff_id)
{
ByteIOContext *pb = s->pb;
file_size = url_ftell(pb);
for(n = 0; n < s->nb_streams; n++) {
- assert(avi->frames_hdr_strm[n]);
+ AVIStream *avist= s->streams[n]->priv_data;
+
+ assert(avist->frames_hdr_strm);
stream = s->streams[n]->codec;
- url_fseek(pb, avi->frames_hdr_strm[n], SEEK_SET);
+ url_fseek(pb, avist->frames_hdr_strm, SEEK_SET);
ff_parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
if(au_ssize == 0) {
- put_le32(pb, avi->packet_count[n]);
+ put_le32(pb, avist->packet_count);
} else {
- put_le32(pb, avi->audio_strm_length[n] / au_ssize);
+ put_le32(pb, avist->audio_strm_length / au_ssize);
}
- if(stream->codec_type == CODEC_TYPE_VIDEO)
- nb_frames = FFMAX(nb_frames, avi->packet_count[n]);
+ if(stream->codec_type == AVMEDIA_TYPE_VIDEO)
+ nb_frames = FFMAX(nb_frames, avist->packet_count);
}
if(riff_id == 1) {
assert(avi->frames_hdr_all);
int bitrate, n, i, nb_frames, au_byterate, au_ssize, au_scale;
AVCodecContext *stream, *video_enc;
int64_t list1, list2, strh, strf;
+ AVMetadataTag *t = NULL;
+
+ for(n=0;n<s->nb_streams;n++) {
+ s->streams[n]->priv_data= av_mallocz(sizeof(AVIStream));
+ if(!s->streams[n]->priv_data)
+ return AVERROR(ENOMEM);
+ }
/* header list */
avi->riff_id = 0;
- list1 = avi_start_new_riff(avi, pb, "AVI ", "hdrl");
+ list1 = avi_start_new_riff(s, pb, "AVI ", "hdrl");
/* avi header */
put_tag(pb, "avih");
for(n=0;n<s->nb_streams;n++) {
stream = s->streams[n]->codec;
bitrate += stream->bit_rate;
- if (stream->codec_type == CODEC_TYPE_VIDEO)
+ if (stream->codec_type == AVMEDIA_TYPE_VIDEO)
video_enc = stream;
}
/* stream list */
for(i=0;i<n;i++) {
- list2 = start_tag(pb, "LIST");
+ AVIStream *avist= s->streams[i]->priv_data;
+ list2 = ff_start_tag(pb, "LIST");
put_tag(pb, "strl");
stream = s->streams[i]->codec;
/* stream generic header */
- strh = start_tag(pb, "strh");
+ strh = ff_start_tag(pb, "strh");
switch(stream->codec_type) {
- case CODEC_TYPE_VIDEO: put_tag(pb, "vids"); break;
- case CODEC_TYPE_AUDIO: put_tag(pb, "auds"); break;
-// case CODEC_TYPE_TEXT : put_tag(pb, "txts"); break;
- case CODEC_TYPE_DATA : put_tag(pb, "dats"); break;
+ case AVMEDIA_TYPE_SUBTITLE:
+ // XSUB subtitles behave like video tracks, other subtitles
+ // are not (yet) supported.
+ if (stream->codec_id != CODEC_ID_XSUB) {
+ av_log(s, AV_LOG_ERROR, "Subtitle streams other than DivX XSUB are not supported by the AVI muxer.\n");
+ return AVERROR_PATCHWELCOME;
+ }
+ case AVMEDIA_TYPE_VIDEO: put_tag(pb, "vids"); break;
+ case AVMEDIA_TYPE_AUDIO: put_tag(pb, "auds"); break;
+// case AVMEDIA_TYPE_TEXT : put_tag(pb, "txts"); break;
+ case AVMEDIA_TYPE_DATA : put_tag(pb, "dats"); break;
}
- if(stream->codec_type == CODEC_TYPE_VIDEO)
+ if(stream->codec_type == AVMEDIA_TYPE_VIDEO ||
+ stream->codec_id == CODEC_ID_XSUB)
put_le32(pb, stream->codec_tag);
else
put_le32(pb, 1);
av_set_pts_info(s->streams[i], 64, au_scale, au_byterate);
put_le32(pb, 0); /* start */
- avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
+ avist->frames_hdr_strm = url_ftell(pb); /* remember this offset to fill later */
if (url_is_streamed(pb))
put_le32(pb, AVI_MAX_RIFF_SIZE); /* FIXME: this may be broken, but who cares */
else
put_le32(pb, 0); /* length, XXX: filled later */
/* suggested buffer size */ //FIXME set at the end to largest chunk
- if(stream->codec_type == CODEC_TYPE_VIDEO)
+ if(stream->codec_type == AVMEDIA_TYPE_VIDEO)
put_le32(pb, 1024 * 1024);
- else if(stream->codec_type == CODEC_TYPE_AUDIO)
+ else if(stream->codec_type == AVMEDIA_TYPE_AUDIO)
put_le32(pb, 12 * 1024);
else
put_le32(pb, 0);
put_le32(pb, 0);
put_le16(pb, stream->width);
put_le16(pb, stream->height);
- end_tag(pb, strh);
+ ff_end_tag(pb, strh);
- if(stream->codec_type != CODEC_TYPE_DATA){
- strf = start_tag(pb, "strf");
+ if(stream->codec_type != AVMEDIA_TYPE_DATA){
+ strf = ff_start_tag(pb, "strf");
switch(stream->codec_type) {
- case CODEC_TYPE_VIDEO:
- put_bmp_header(pb, stream, codec_bmp_tags, 0);
+ case AVMEDIA_TYPE_SUBTITLE:
+ // XSUB subtitles behave like video tracks, other subtitles
+ // are not (yet) supported.
+ if (stream->codec_id != CODEC_ID_XSUB) break;
+ case AVMEDIA_TYPE_VIDEO:
+ ff_put_bmp_header(pb, stream, ff_codec_bmp_tags, 0);
break;
- case CODEC_TYPE_AUDIO:
- if (put_wav_header(pb, stream) < 0) {
+ case AVMEDIA_TYPE_AUDIO:
+ if (ff_put_wav_header(pb, stream) < 0) {
return -1;
}
break;
default:
return -1;
}
- end_tag(pb, strf);
+ ff_end_tag(pb, strf);
+ if ((t = av_metadata_get(s->streams[i]->metadata, "title", NULL, 0))) {
+ avi_write_info_tag(s->pb, "strn", t->value);
+ t = NULL;
+ }
}
if (!url_is_streamed(pb)) {
* like to get away without making AVI an OpenDML one
* for compatibility reasons.
*/
- avi->indexes[i].entry = avi->indexes[i].ents_allocated = 0;
- avi->indexes[i].indx_start = start_tag(pb, "JUNK");
+ avist->indexes.entry = avist->indexes.ents_allocated = 0;
+ avist->indexes.indx_start = ff_start_tag(pb, "JUNK");
put_le16(pb, 4); /* wLongsPerEntry */
put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
put_byte(pb, 0); /* bIndexType (0 == AVI_INDEX_OF_INDEXES) */
put_le32(pb, 0); Must be 0. */
for (j=0; j < AVI_MASTER_INDEX_SIZE * 2; j++)
put_le64(pb, 0);
- end_tag(pb, avi->indexes[i].indx_start);
+ ff_end_tag(pb, avist->indexes.indx_start);
}
- if( stream->codec_type == CODEC_TYPE_VIDEO
+ if( stream->codec_type == AVMEDIA_TYPE_VIDEO
&& s->streams[i]->sample_aspect_ratio.num>0
&& s->streams[i]->sample_aspect_ratio.den>0){
- int vprp= start_tag(pb, "vprp");
+ int vprp= ff_start_tag(pb, "vprp");
AVRational dar = av_mul_q(s->streams[i]->sample_aspect_ratio,
(AVRational){stream->width, stream->height});
int num, den;
put_le32(pb, 0);
put_le32(pb, 0);
- end_tag(pb, vprp);
+ ff_end_tag(pb, vprp);
}
- end_tag(pb, list2);
+ ff_end_tag(pb, list2);
}
if (!url_is_streamed(pb)) {
/* AVI could become an OpenDML one, if it grows beyond 2Gb range */
- avi->odml_list = start_tag(pb, "JUNK");
+ avi->odml_list = ff_start_tag(pb, "JUNK");
put_tag(pb, "odml");
put_tag(pb, "dmlh");
put_le32(pb, 248);
for (i = 0; i < 248; i+= 4)
put_le32(pb, 0);
- end_tag(pb, avi->odml_list);
+ ff_end_tag(pb, avi->odml_list);
}
- end_tag(pb, list1);
+ ff_end_tag(pb, list1);
- list2 = start_tag(pb, "LIST");
+ list2 = ff_start_tag(pb, "LIST");
put_tag(pb, "INFO");
- avi_write_info_tag2(s, "INAM", "Title", NULL);
- avi_write_info_tag2(s, "IART", "Artist", "Author");
- avi_write_info_tag2(s, "ICOP", "Copyright", NULL);
- avi_write_info_tag2(s, "ICMT", "Comment", NULL);
- avi_write_info_tag2(s, "IPRD", "Album", NULL);
- avi_write_info_tag2(s, "IGNR", "Genre", NULL);
- avi_write_info_tag2(s, "IPRT", "Track", NULL);
- if(!(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT))
- avi_write_info_tag(pb, "ISFT", LIBAVFORMAT_IDENT);
- end_tag(pb, list2);
+ metadata_conv(&s->metadata, ff_avi_metadata_conv, NULL);
+ for (i = 0; *ff_avi_tags[i]; i++) {
+ if ((t = av_metadata_get(s->metadata, ff_avi_tags[i], NULL, AV_METADATA_MATCH_CASE)))
+ avi_write_info_tag(s->pb, t->key, t->value);
+ }
+ ff_end_tag(pb, list2);
/* some padding for easier tag editing */
- list2 = start_tag(pb, "JUNK");
+ list2 = ff_start_tag(pb, "JUNK");
for (i = 0; i < 1016; i += 4)
put_le32(pb, 0);
- end_tag(pb, list2);
+ ff_end_tag(pb, list2);
- avi->movi_list = start_tag(pb, "LIST");
+ avi->movi_list = ff_start_tag(pb, "LIST");
put_tag(pb, "movi");
put_flush_packet(pb);
return -1;
for (i=0;i<s->nb_streams;i++) {
+ AVIStream *avist= s->streams[i]->priv_data;
int64_t ix, pos;
avi_stream2fourcc(&tag[0], i, s->streams[i]->codec->codec_type);
/* Writing AVI OpenDML leaf index chunk */
ix = url_ftell(pb);
put_tag(pb, &ix_tag[0]); /* ix?? */
- put_le32(pb, avi->indexes[i].entry * 8 + 24);
+ put_le32(pb, avist->indexes.entry * 8 + 24);
/* chunk size */
put_le16(pb, 2); /* wLongsPerEntry */
put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
put_byte(pb, 1); /* bIndexType (1 == AVI_INDEX_OF_CHUNKS) */
- put_le32(pb, avi->indexes[i].entry);
+ put_le32(pb, avist->indexes.entry);
/* nEntriesInUse */
put_tag(pb, &tag[0]); /* dwChunkId */
put_le64(pb, avi->movi_list);/* qwBaseOffset */
put_le32(pb, 0); /* dwReserved_3 (must be 0) */
- for (j=0; j<avi->indexes[i].entry; j++) {
- AVIIentry* ie = avi_get_ientry(&avi->indexes[i], j);
+ for (j=0; j<avist->indexes.entry; j++) {
+ AVIIentry* ie = avi_get_ientry(&avist->indexes, j);
put_le32(pb, ie->pos + 8);
put_le32(pb, ((uint32_t)ie->len & ~0x80000000) |
(ie->flags & 0x10 ? 0 : 0x80000000));
pos = url_ftell(pb);
/* Updating one entry in the AVI OpenDML master index */
- url_fseek(pb, avi->indexes[i].indx_start - 8, SEEK_SET);
+ url_fseek(pb, avist->indexes.indx_start - 8, SEEK_SET);
put_tag(pb, "indx"); /* enabling this entry */
url_fskip(pb, 8);
put_le32(pb, avi->riff_id); /* nEntriesInUse */
url_fskip(pb, 16*avi->riff_id);
put_le64(pb, ix); /* qwOffset */
put_le32(pb, pos - ix); /* dwSize */
- put_le32(pb, avi->indexes[i].entry); /* dwDuration */
+ put_le32(pb, avist->indexes.entry); /* dwDuration */
url_fseek(pb, pos, SEEK_SET);
}
char tag[5];
if (!url_is_streamed(pb)) {
+ AVIStream *avist;
AVIIentry* ie = 0, *tie;
- int entry[MAX_STREAMS];
int empty, stream_id = -1;
- idx_chunk = start_tag(pb, "idx1");
- memset(&entry[0], 0, sizeof(entry));
+ idx_chunk = ff_start_tag(pb, "idx1");
+ for(i=0; i<s->nb_streams; i++){
+ avist= s->streams[i]->priv_data;
+ avist->entry=0;
+ }
+
do {
empty = 1;
for (i=0; i<s->nb_streams; i++) {
- if (avi->indexes[i].entry <= entry[i])
+ avist= s->streams[i]->priv_data;
+ if (avist->indexes.entry <= avist->entry)
continue;
- tie = avi_get_ientry(&avi->indexes[i], entry[i]);
+ tie = avi_get_ientry(&avist->indexes, avist->entry);
if (empty || tie->pos < ie->pos) {
ie = tie;
stream_id = i;
empty = 0;
}
if (!empty) {
+ avist= s->streams[stream_id]->priv_data;
avi_stream2fourcc(&tag[0], stream_id,
s->streams[stream_id]->codec->codec_type);
put_tag(pb, &tag[0]);
put_le32(pb, ie->flags);
put_le32(pb, ie->pos);
put_le32(pb, ie->len);
- entry[stream_id]++;
+ avist->entry++;
}
} while (!empty);
- end_tag(pb, idx_chunk);
+ ff_end_tag(pb, idx_chunk);
avi_write_counters(s, avi->riff_id);
}
unsigned char tag[5];
unsigned int flags=0;
const int stream_index= pkt->stream_index;
+ AVIStream *avist= s->streams[stream_index]->priv_data;
AVCodecContext *enc= s->streams[stream_index]->codec;
int size= pkt->size;
// av_log(s, AV_LOG_DEBUG, "%"PRId64" %d %d\n", pkt->dts, avi->packet_count[stream_index], stream_index);
- while(enc->block_align==0 && pkt->dts != AV_NOPTS_VALUE && pkt->dts > avi->packet_count[stream_index]){
+ while(enc->block_align==0 && pkt->dts != AV_NOPTS_VALUE && pkt->dts > avist->packet_count){
AVPacket empty_packet;
av_init_packet(&empty_packet);
avi_write_packet(s, &empty_packet);
// av_log(s, AV_LOG_DEBUG, "dup %"PRId64" %d\n", pkt->dts, avi->packet_count[stream_index]);
}
- avi->packet_count[stream_index]++;
+ avist->packet_count++;
// Make sure to put an OpenDML chunk when the file size exceeds the limits
if (!url_is_streamed(pb) &&
(url_ftell(pb) - avi->riff_start > AVI_MAX_RIFF_SIZE)) {
avi_write_ix(s);
- end_tag(pb, avi->movi_list);
+ ff_end_tag(pb, avi->movi_list);
if (avi->riff_id == 1)
avi_write_idx1(s);
- end_tag(pb, avi->riff_start);
- avi->movi_list = avi_start_new_riff(avi, pb, "AVIX", "movi");
+ ff_end_tag(pb, avi->riff_start);
+ avi->movi_list = avi_start_new_riff(s, pb, "AVIX", "movi");
}
avi_stream2fourcc(&tag[0], stream_index, enc->codec_type);
- if(pkt->flags&PKT_FLAG_KEY)
+ if(pkt->flags&AV_PKT_FLAG_KEY)
flags = 0x10;
- if (enc->codec_type == CODEC_TYPE_AUDIO) {
- avi->audio_strm_length[stream_index] += size;
+ if (enc->codec_type == AVMEDIA_TYPE_AUDIO) {
+ avist->audio_strm_length += size;
}
if (!url_is_streamed(s->pb)) {
- AVIIndex* idx = &avi->indexes[stream_index];
+ AVIIndex* idx = &avist->indexes;
int cl = idx->entry / AVI_INDEX_CLUSTER_SIZE;
int id = idx->entry % AVI_INDEX_CLUSTER_SIZE;
if (idx->ents_allocated <= idx->entry) {
if (!url_is_streamed(pb)){
if (avi->riff_id == 1) {
- end_tag(pb, avi->movi_list);
+ ff_end_tag(pb, avi->movi_list);
res = avi_write_idx1(s);
- end_tag(pb, avi->riff_start);
+ ff_end_tag(pb, avi->riff_start);
} else {
avi_write_ix(s);
- end_tag(pb, avi->movi_list);
- end_tag(pb, avi->riff_start);
+ ff_end_tag(pb, avi->movi_list);
+ ff_end_tag(pb, avi->riff_start);
file_size = url_ftell(pb);
url_fseek(pb, avi->odml_list - 8, SEEK_SET);
for (n=nb_frames=0;n<s->nb_streams;n++) {
AVCodecContext *stream = s->streams[n]->codec;
- if (stream->codec_type == CODEC_TYPE_VIDEO) {
- if (nb_frames < avi->packet_count[n])
- nb_frames = avi->packet_count[n];
+ AVIStream *avist= s->streams[n]->priv_data;
+
+ if (stream->codec_type == AVMEDIA_TYPE_VIDEO) {
+ if (nb_frames < avist->packet_count)
+ nb_frames = avist->packet_count;
} else {
if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) {
- nb_frames += avi->packet_count[n];
+ nb_frames += avist->packet_count;
}
}
}
}
put_flush_packet(pb);
- for (i=0; i<MAX_STREAMS; i++) {
- for (j=0; j<avi->indexes[i].ents_allocated/AVI_INDEX_CLUSTER_SIZE; j++)
- av_free(avi->indexes[i].cluster[j]);
- av_free(avi->indexes[i].cluster);
- avi->indexes[i].cluster = NULL;
- avi->indexes[i].ents_allocated = avi->indexes[i].entry = 0;
+ for (i=0; i<s->nb_streams; i++) {
+ AVIStream *avist= s->streams[i]->priv_data;
+ for (j=0; j<avist->indexes.ents_allocated/AVI_INDEX_CLUSTER_SIZE; j++)
+ av_free(avist->indexes.cluster[j]);
+ av_freep(&avist->indexes.cluster);
+ avist->indexes.ents_allocated = avist->indexes.entry = 0;
}
return res;
avi_write_header,
avi_write_packet,
avi_write_trailer,
- .codec_tag= (const AVCodecTag* const []){codec_bmp_tags, codec_wav_tags, 0},
+ .codec_tag= (const AVCodecTag* const []){ff_codec_bmp_tags, ff_codec_wav_tags, 0},
+ .flags= AVFMT_VARIABLE_FPS,
};
-#endif //CONFIG_AVI_MUXER
projects / ffmpeg / blobdiff