/*
- * AVI encoder.
+ * AVI muxer
* Copyright (c) 2000 Fabrice Bellard.
*
- * This library is free software; you can redistribute it and/or
+ * 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library 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 this library; 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 "avformat.h"
return loff;
}
-static unsigned char* avi_stream2fourcc(unsigned char* tag, int index,
- enum CodecType type)
+static char* avi_stream2fourcc(char* tag, int index, enum CodecType type)
{
tag[0] = '0';
tag[1] = '0' + index;
static int avi_write_counters(AVFormatContext* s, int riff_id)
{
- ByteIOContext *pb = &s->pb;
+ ByteIOContext *pb = s->pb;
AVIContext *avi = s->priv_data;
int n, au_byterate, au_ssize, au_scale, nb_frames = 0;
offset_t file_size;
static int avi_write_header(AVFormatContext *s)
{
AVIContext *avi = s->priv_data;
- ByteIOContext *pb = &s->pb;
+ ByteIOContext *pb = s->pb;
int bitrate, n, i, nb_frames, au_byterate, au_ssize, au_scale;
AVCodecContext *stream, *video_enc;
offset_t list1, list2, strh, strf;
nb_frames = 0;
if(video_enc){
- put_le32(pb, (uint32_t)(int64_t_C(1000000) * video_enc->time_base.num / video_enc->time_base.den));
+ put_le32(pb, (uint32_t)(INT64_C(1000000) * video_enc->time_base.num / video_enc->time_base.den));
} else {
put_le32(pb, 0);
}
stream = s->streams[i]->codec;
- /* FourCC should really be set by the codec itself */
- if (! stream->codec_tag) {
- stream->codec_tag = codec_get_bmp_tag(stream->codec_id);
- }
-
/* stream generic header */
strh = start_tag(pb, "strh");
switch(stream->codec_type) {
end_tag(pb, avi->indexes[i].indx_start);
}
+ if( stream->codec_type == CODEC_TYPE_VIDEO
+ && stream->sample_aspect_ratio.num>0
+ && stream->sample_aspect_ratio.den>0){
+ int vprp= start_tag(pb, "vprp");
+ AVRational dar = av_mul_q(stream->sample_aspect_ratio,
+ (AVRational){stream->width, stream->height});
+ int num, den;
+ av_reduce(&num, &den, dar.num, dar.den, 0xFFFF);
+
+ put_le32(pb, 0); //video format = unknown
+ put_le32(pb, 0); //video standard= unknown
+ put_le32(pb, lrintf(1.0/av_q2d(stream->time_base)));
+ put_le32(pb, stream->width );
+ put_le32(pb, stream->height);
+ put_le16(pb, num);
+ put_le16(pb, den);
+ put_le32(pb, stream->width );
+ put_le32(pb, stream->height);
+ put_le32(pb, 1); //progressive FIXME
+
+ put_le32(pb, stream->height);
+ put_le32(pb, stream->width );
+ put_le32(pb, stream->height);
+ put_le32(pb, stream->width );
+ put_le32(pb, 0);
+ put_le32(pb, 0);
+
+ put_le32(pb, 0);
+ put_le32(pb, 0);
+ end_tag(pb, vprp);
+ }
+
end_tag(pb, list2);
}
avi_write_info_tag(pb, "ICMT", s->comment);
avi_write_info_tag(pb, "IPRD", s->album);
avi_write_info_tag(pb, "IGNR", s->genre);
+ if (s->track) {
+ char str_track[4];
+ snprintf(str_track, 4, "%d", s->track);
+ avi_write_info_tag(pb, "IPRT", str_track);
+ }
if(!(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT))
avi_write_info_tag(pb, "ISFT", LIBAVFORMAT_IDENT);
end_tag(pb, list2);
static int avi_write_ix(AVFormatContext *s)
{
- ByteIOContext *pb = &s->pb;
+ ByteIOContext *pb = s->pb;
AVIContext *avi = s->priv_data;
- unsigned char tag[5];
- unsigned char ix_tag[] = "ix00";
+ char tag[5];
+ char ix_tag[] = "ix00";
int i, j;
assert(!url_is_streamed(pb));
static int avi_write_idx1(AVFormatContext *s)
{
- ByteIOContext *pb = &s->pb;
+ ByteIOContext *pb = s->pb;
AVIContext *avi = s->priv_data;
offset_t idx_chunk;
int i;
- unsigned char tag[5];
+ char tag[5];
if (!url_is_streamed(pb)) {
AVIIentry* ie = 0, *tie;
static int avi_write_packet(AVFormatContext *s, AVPacket *pkt)
{
AVIContext *avi = s->priv_data;
- ByteIOContext *pb = &s->pb;
+ ByteIOContext *pb = s->pb;
unsigned char tag[5];
unsigned int flags=0;
const int stream_index= pkt->stream_index;
AVCodecContext *enc= s->streams[stream_index]->codec;
int size= pkt->size;
-// av_log(s, AV_LOG_DEBUG, "%lld %d %d\n", pkt->dts, avi->packet_count[stream_index], stream_index);
+// 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]){
AVPacket empty_packet;
empty_packet.data= NULL;
empty_packet.stream_index= stream_index;
avi_write_packet(s, &empty_packet);
-// av_log(s, AV_LOG_DEBUG, "dup %lld %d\n", pkt->dts, avi->packet_count[stream_index]);
+// av_log(s, AV_LOG_DEBUG, "dup %"PRId64" %d\n", pkt->dts, avi->packet_count[stream_index]);
}
avi->packet_count[stream_index]++;
avi->audio_strm_length[stream_index] += size;
}
- if (!url_is_streamed(&s->pb)) {
+ if (!url_is_streamed(s->pb)) {
AVIIndex* idx = &avi->indexes[stream_index];
int cl = idx->entry / AVI_INDEX_CLUSTER_SIZE;
int id = idx->entry % AVI_INDEX_CLUSTER_SIZE;
static int avi_write_trailer(AVFormatContext *s)
{
AVIContext *avi = s->priv_data;
- ByteIOContext *pb = &s->pb;
+ ByteIOContext *pb = s->pb;
int res = 0;
int i, j, n, nb_frames;
offset_t file_size;
- if (!url_is_streamed(pb))
- {
- if (avi->riff_id == 1) {
- end_tag(pb, avi->movi_list);
- res = avi_write_idx1(s);
- end_tag(pb, avi->riff_start);
- } else {
- avi_write_ix(s);
- end_tag(pb, avi->movi_list);
- end_tag(pb, avi->riff_start);
-
- file_size = url_ftell(pb);
- url_fseek(pb, avi->odml_list - 8, SEEK_SET);
- put_tag(pb, "LIST"); /* Making this AVI OpenDML one */
- url_fskip(pb, 16);
-
- 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];
- } else {
- if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) {
- nb_frames += avi->packet_count[n];
+ if (!url_is_streamed(pb)){
+ if (avi->riff_id == 1) {
+ end_tag(pb, avi->movi_list);
+ res = avi_write_idx1(s);
+ end_tag(pb, avi->riff_start);
+ } else {
+ avi_write_ix(s);
+ end_tag(pb, avi->movi_list);
+ end_tag(pb, avi->riff_start);
+
+ file_size = url_ftell(pb);
+ url_fseek(pb, avi->odml_list - 8, SEEK_SET);
+ put_tag(pb, "LIST"); /* Making this AVI OpenDML one */
+ url_fskip(pb, 16);
+
+ 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];
+ } else {
+ if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) {
+ nb_frames += avi->packet_count[n];
+ }
}
}
- }
- put_le32(pb, nb_frames);
- url_fseek(pb, file_size, SEEK_SET);
+ put_le32(pb, nb_frames);
+ url_fseek(pb, file_size, SEEK_SET);
- avi_write_counters(s, avi->riff_id);
- }
+ avi_write_counters(s, avi->riff_id);
+ }
}
put_flush_packet(pb);
avi_write_header,
avi_write_packet,
avi_write_trailer,
+ .codec_tag= (const AVCodecTag*[]){codec_bmp_tags, codec_wav_tags, 0},
};
#endif //CONFIG_AVI_MUXER
projects / ffmpeg / blobdiff