/*
* AVI muxer
- * Copyright (c) 2000 Fabrice Bellard.
+ * Copyright (c) 2000 Fabrice Bellard
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avformat.h"
+#include "internal.h"
#include "avi.h"
+#include "avio_internal.h"
#include "riff.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/dict.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;
#define AVI_INDEX_CLUSTER_SIZE 16384
typedef struct AVIIndex {
- offset_t indx_start;
+ int64_t indx_start;
int entry;
int ents_allocated;
AVIIentry** cluster;
} AVIIndex;
typedef struct {
- offset_t riff_start, movi_list, odml_list;
- offset_t frames_hdr_all, frames_hdr_strm[MAX_STREAMS];
- int audio_strm_length[MAX_STREAMS];
+ int64_t riff_start, movi_list, odml_list;
+ int64_t frames_hdr_all;
int riff_id;
- int packet_count[MAX_STREAMS];
-
- AVIIndex indexes[MAX_STREAMS];
} AVIContext;
-static inline AVIIentry* avi_get_ientry(AVIIndex* idx, int ent_id)
+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;
int id = ent_id % AVI_INDEX_CLUSTER_SIZE;
return &idx->cluster[cl][id];
}
-static offset_t avi_start_new_riff(AVIContext *avi, ByteIOContext *pb,
- const char* riff_tag, const char* list_tag)
+static int64_t avi_start_new_riff(AVFormatContext *s, AVIOContext *pb,
+ const char *riff_tag, const char *list_tag)
{
- offset_t loff;
+ 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");
- put_tag(pb, riff_tag);
- loff = start_tag(pb, "LIST");
- put_tag(pb, list_tag);
+ avi->riff_start = ff_start_tag(pb, "RIFF");
+ ffio_wfourcc(pb, riff_tag);
+ loff = ff_start_tag(pb, "LIST");
+ ffio_wfourcc(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) {
+ tag[0] = '0' + index / 10;
+ tag[1] = '0' + index % 10;
+ 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';
return tag;
}
-static void avi_write_info_tag(ByteIOContext *pb, const char *tag, const char *str)
+static int avi_write_counters(AVFormatContext *s, int riff_id)
{
- int len = strlen(str);
- if (len > 0) {
- len++;
- put_tag(pb, tag);
- put_le32(pb, len);
- put_strz(pb, str);
- if (len & 1)
- put_byte(pb, 0);
- }
-}
-
-static int avi_write_counters(AVFormatContext* s, int riff_id)
-{
- ByteIOContext *pb = &s->pb;
+ AVIOContext *pb = s->pb;
AVIContext *avi = s->priv_data;
int n, au_byterate, au_ssize, au_scale, nb_frames = 0;
- offset_t file_size;
- AVCodecContext* stream;
+ int64_t file_size;
+ AVCodecContext *stream;
+
+ file_size = avio_tell(pb);
+ for (n = 0; n < s->nb_streams; n++) {
+ AVIStream *avist = s->streams[n]->priv_data;
- file_size = url_ftell(pb);
- for(n = 0; n < s->nb_streams; n++) {
- assert(avi->frames_hdr_strm[n]);
+ assert(avist->frames_hdr_strm);
stream = s->streams[n]->codec;
- url_fseek(pb, avi->frames_hdr_strm[n], SEEK_SET);
+ avio_seek(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]);
- } else {
- put_le32(pb, avi->audio_strm_length[n] / au_ssize);
- }
- if(stream->codec_type == CODEC_TYPE_VIDEO)
- nb_frames = FFMAX(nb_frames, avi->packet_count[n]);
+ if (au_ssize == 0)
+ avio_wl32(pb, avist->packet_count);
+ else
+ avio_wl32(pb, avist->audio_strm_length / au_ssize);
+ if (stream->codec_type == AVMEDIA_TYPE_VIDEO)
+ nb_frames = FFMAX(nb_frames, avist->packet_count);
}
- if(riff_id == 1) {
+ if (riff_id == 1) {
assert(avi->frames_hdr_all);
- url_fseek(pb, avi->frames_hdr_all, SEEK_SET);
- put_le32(pb, nb_frames);
+ avio_seek(pb, avi->frames_hdr_all, SEEK_SET);
+ avio_wl32(pb, nb_frames);
}
- url_fseek(pb, file_size, SEEK_SET);
+ avio_seek(pb, file_size, SEEK_SET);
return 0;
}
static int avi_write_header(AVFormatContext *s)
{
AVIContext *avi = s->priv_data;
- ByteIOContext *pb = &s->pb;
+ AVIOContext *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;
+ int64_t list1, list2, strh, strf;
+ AVDictionaryEntry *t = NULL;
+
+ if (s->nb_streams > AVI_MAX_STREAM_COUNT) {
+ av_log(s, AV_LOG_ERROR, "AVI does not support >%d streams\n",
+ AVI_MAX_STREAM_COUNT);
+ return -1;
+ }
+
+ 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");
- put_le32(pb, 14 * 4);
+ ffio_wfourcc(pb, "avih");
+ avio_wl32(pb, 14 * 4);
bitrate = 0;
video_enc = NULL;
- for(n=0;n<s->nb_streams;n++) {
- stream = s->streams[n]->codec;
+ 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;
}
nb_frames = 0;
- if(video_enc){
- put_le32(pb, (uint32_t)(INT64_C(1000000) * video_enc->time_base.num / video_enc->time_base.den));
- } else {
- put_le32(pb, 0);
- }
- put_le32(pb, bitrate / 8); /* XXX: not quite exact */
- put_le32(pb, 0); /* padding */
- if (url_is_streamed(pb))
- put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_ISINTERLEAVED); /* flags */
+ if (video_enc)
+ avio_wl32(pb, (uint32_t) (INT64_C(1000000) * video_enc->time_base.num /
+ video_enc->time_base.den));
+ else
+ avio_wl32(pb, 0);
+ avio_wl32(pb, bitrate / 8); /* XXX: not quite exact */
+ avio_wl32(pb, 0); /* padding */
+ if (!pb->seekable)
+ avio_wl32(pb, AVIF_TRUSTCKTYPE | AVIF_ISINTERLEAVED); /* flags */
else
- put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */
- avi->frames_hdr_all = url_ftell(pb); /* remember this offset to fill later */
- put_le32(pb, nb_frames); /* nb frames, filled later */
- put_le32(pb, 0); /* initial frame */
- put_le32(pb, s->nb_streams); /* nb streams */
- put_le32(pb, 1024 * 1024); /* suggested buffer size */
- if(video_enc){
- put_le32(pb, video_enc->width);
- put_le32(pb, video_enc->height);
+ avio_wl32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */
+ avi->frames_hdr_all = avio_tell(pb); /* remember this offset to fill later */
+ avio_wl32(pb, nb_frames); /* nb frames, filled later */
+ avio_wl32(pb, 0); /* initial frame */
+ avio_wl32(pb, s->nb_streams); /* nb streams */
+ avio_wl32(pb, 1024 * 1024); /* suggested buffer size */
+ if (video_enc) {
+ avio_wl32(pb, video_enc->width);
+ avio_wl32(pb, video_enc->height);
} else {
- put_le32(pb, 0);
- put_le32(pb, 0);
+ avio_wl32(pb, 0);
+ avio_wl32(pb, 0);
}
- put_le32(pb, 0); /* reserved */
- put_le32(pb, 0); /* reserved */
- put_le32(pb, 0); /* reserved */
- put_le32(pb, 0); /* reserved */
+ avio_wl32(pb, 0); /* reserved */
+ avio_wl32(pb, 0); /* reserved */
+ avio_wl32(pb, 0); /* reserved */
+ avio_wl32(pb, 0); /* reserved */
/* stream list */
- for(i=0;i<n;i++) {
- list2 = start_tag(pb, "LIST");
- put_tag(pb, "strl");
+ for (i = 0; i < n; i++) {
+ AVIStream *avist = s->streams[i]->priv_data;
+ list2 = ff_start_tag(pb, "LIST");
+ ffio_wfourcc(pb, "strl");
stream = s->streams[i]->codec;
/* stream generic header */
- strh = 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;
+ strh = ff_start_tag(pb, "strh");
+ switch (stream->codec_type) {
+ case AVMEDIA_TYPE_SUBTITLE:
+ // XSUB subtitles behave like video tracks, other subtitles
+ // are not (yet) supported.
+ if (stream->codec_id != AV_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:
+ ffio_wfourcc(pb, "vids");
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ ffio_wfourcc(pb, "auds");
+ break;
+// case AVMEDIA_TYPE_TEXT:
+// ffio_wfourcc(pb, "txts");
+// break;
+ case AVMEDIA_TYPE_DATA:
+ ffio_wfourcc(pb, "dats");
+ break;
}
- if(stream->codec_type == CODEC_TYPE_VIDEO)
- put_le32(pb, stream->codec_tag);
+ if (stream->codec_type == AVMEDIA_TYPE_VIDEO ||
+ stream->codec_id == AV_CODEC_ID_XSUB)
+ avio_wl32(pb, stream->codec_tag);
else
- put_le32(pb, 1);
- put_le32(pb, 0); /* flags */
- put_le16(pb, 0); /* priority */
- put_le16(pb, 0); /* language */
- put_le32(pb, 0); /* initial frame */
+ avio_wl32(pb, 1);
+ avio_wl32(pb, 0); /* flags */
+ avio_wl16(pb, 0); /* priority */
+ avio_wl16(pb, 0); /* language */
+ avio_wl32(pb, 0); /* initial frame */
ff_parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
- put_le32(pb, au_scale); /* scale */
- put_le32(pb, au_byterate); /* rate */
- av_set_pts_info(s->streams[i], 64, au_scale, au_byterate);
+ avio_wl32(pb, au_scale); /* scale */
+ avio_wl32(pb, au_byterate); /* rate */
+ avpriv_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 */
- if (url_is_streamed(pb))
- put_le32(pb, AVI_MAX_RIFF_SIZE); /* FIXME: this may be broken, but who cares */
+ avio_wl32(pb, 0); /* start */
+ /* remember this offset to fill later */
+ avist->frames_hdr_strm = avio_tell(pb);
+ if (!pb->seekable)
+ /* FIXME: this may be broken, but who cares */
+ avio_wl32(pb, AVI_MAX_RIFF_SIZE);
else
- put_le32(pb, 0); /* length, XXX: filled later */
+ avio_wl32(pb, 0); /* length, XXX: filled later */
/* suggested buffer size */ //FIXME set at the end to largest chunk
- if(stream->codec_type == CODEC_TYPE_VIDEO)
- put_le32(pb, 1024 * 1024);
- else if(stream->codec_type == CODEC_TYPE_AUDIO)
- put_le32(pb, 12 * 1024);
+ if (stream->codec_type == AVMEDIA_TYPE_VIDEO)
+ avio_wl32(pb, 1024 * 1024);
+ else if (stream->codec_type == AVMEDIA_TYPE_AUDIO)
+ avio_wl32(pb, 12 * 1024);
else
- put_le32(pb, 0);
- put_le32(pb, -1); /* quality */
- put_le32(pb, au_ssize); /* sample size */
- put_le32(pb, 0);
- put_le16(pb, stream->width);
- put_le16(pb, stream->height);
- end_tag(pb, strh);
-
- if(stream->codec_type != CODEC_TYPE_DATA){
- strf = start_tag(pb, "strf");
- switch(stream->codec_type) {
- case CODEC_TYPE_VIDEO:
- put_bmp_header(pb, stream, codec_bmp_tags, 0);
- break;
- case CODEC_TYPE_AUDIO:
- if (put_wav_header(pb, stream) < 0) {
- av_free(avi);
+ avio_wl32(pb, 0);
+ avio_wl32(pb, -1); /* quality */
+ avio_wl32(pb, au_ssize); /* sample size */
+ avio_wl32(pb, 0);
+ avio_wl16(pb, stream->width);
+ avio_wl16(pb, stream->height);
+ ff_end_tag(pb, strh);
+
+ if (stream->codec_type != AVMEDIA_TYPE_DATA) {
+ strf = ff_start_tag(pb, "strf");
+ switch (stream->codec_type) {
+ case AVMEDIA_TYPE_SUBTITLE:
+ /* XSUB subtitles behave like video tracks, other subtitles
+ * are not (yet) supported. */
+ if (stream->codec_id != AV_CODEC_ID_XSUB)
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ ff_put_bmp_header(pb, stream, ff_codec_bmp_tags, 0);
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ if (ff_put_wav_header(pb, stream) < 0)
+ return -1;
+ break;
+ default:
return -1;
}
- break;
- default:
- return -1;
+ ff_end_tag(pb, strf);
+ if ((t = av_dict_get(s->streams[i]->metadata, "title", NULL, 0))) {
+ ff_riff_write_info_tag(s->pb, "strn", t->value);
+ t = NULL;
+ }
}
- end_tag(pb, strf);
- }
- if (!url_is_streamed(pb)) {
+ if (pb->seekable) {
unsigned char tag[5];
int j;
/* Starting to lay out AVI OpenDML master index.
* We want to make it JUNK entry for now, since we'd
* 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");
- 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); /* nEntriesInUse (will fill out later on) */
- put_tag(pb, avi_stream2fourcc(&tag[0], i, stream->codec_type));
- /* dwChunkId */
- put_le64(pb, 0); /* dwReserved[3]
- 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);
+ * for compatibility reasons. */
+ avist->indexes.entry = avist->indexes.ents_allocated = 0;
+ avist->indexes.indx_start = ff_start_tag(pb, "JUNK");
+ avio_wl16(pb, 4); /* wLongsPerEntry */
+ avio_w8(pb, 0); /* bIndexSubType (0 == frame index) */
+ avio_w8(pb, 0); /* bIndexType (0 == AVI_INDEX_OF_INDEXES) */
+ avio_wl32(pb, 0); /* nEntriesInUse (will fill out later on) */
+ ffio_wfourcc(pb, avi_stream2fourcc(tag, i, stream->codec_type));
+ /* dwChunkId */
+ avio_wl64(pb, 0); /* dwReserved[3] */
+ // avio_wl32(pb, 0); /* Must be 0. */
+ for (j = 0; j < AVI_MASTER_INDEX_SIZE * 2; j++)
+ avio_wl64(pb, 0);
+ ff_end_tag(pb, avist->indexes.indx_start);
+ }
+
+ 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 = ff_start_tag(pb, "vprp");
+ AVRational dar = av_mul_q(s->streams[i]->sample_aspect_ratio,
+ (AVRational) { stream->width,
+ stream->height });
+ int num, den;
+ av_reduce(&num, &den, dar.num, dar.den, 0xFFFF);
+
+ avio_wl32(pb, 0); // video format = unknown
+ avio_wl32(pb, 0); // video standard = unknown
+ avio_wl32(pb, lrintf(1.0 / av_q2d(stream->time_base)));
+ avio_wl32(pb, stream->width);
+ avio_wl32(pb, stream->height);
+ avio_wl16(pb, den);
+ avio_wl16(pb, num);
+ avio_wl32(pb, stream->width);
+ avio_wl32(pb, stream->height);
+ avio_wl32(pb, 1); // progressive FIXME
+
+ avio_wl32(pb, stream->height);
+ avio_wl32(pb, stream->width);
+ avio_wl32(pb, stream->height);
+ avio_wl32(pb, stream->width);
+ avio_wl32(pb, 0);
+ avio_wl32(pb, 0);
+
+ avio_wl32(pb, 0);
+ avio_wl32(pb, 0);
+ ff_end_tag(pb, vprp);
}
- end_tag(pb, list2);
+ ff_end_tag(pb, list2);
}
- if (!url_is_streamed(pb)) {
+ if (pb->seekable) {
/* AVI could become an OpenDML one, if it grows beyond 2Gb range */
- avi->odml_list = 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);
+ avi->odml_list = ff_start_tag(pb, "JUNK");
+ ffio_wfourcc(pb, "odml");
+ ffio_wfourcc(pb, "dmlh");
+ avio_wl32(pb, 248);
+ for (i = 0; i < 248; i += 4)
+ avio_wl32(pb, 0);
+ ff_end_tag(pb, avi->odml_list);
}
- end_tag(pb, list1);
-
- list2 = start_tag(pb, "LIST");
- put_tag(pb, "INFO");
- avi_write_info_tag(pb, "INAM", s->title);
- avi_write_info_tag(pb, "IART", s->author);
- avi_write_info_tag(pb, "ICOP", s->copyright);
- 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);
+ ff_end_tag(pb, list1);
+
+ ff_riff_write_info(s);
/* 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);
+ avio_wl32(pb, 0);
+ ff_end_tag(pb, list2);
- avi->movi_list = start_tag(pb, "LIST");
- put_tag(pb, "movi");
+ avi->movi_list = ff_start_tag(pb, "LIST");
+ ffio_wfourcc(pb, "movi");
- put_flush_packet(pb);
+ avio_flush(pb);
return 0;
}
static int avi_write_ix(AVFormatContext *s)
{
- ByteIOContext *pb = &s->pb;
+ AVIOContext *pb = s->pb;
AVIContext *avi = s->priv_data;
char tag[5];
char ix_tag[] = "ix00";
int i, j;
- assert(!url_is_streamed(pb));
+ assert(pb->seekable);
if (avi->riff_id > AVI_MASTER_INDEX_SIZE)
return -1;
- for (i=0;i<s->nb_streams;i++) {
- offset_t ix, pos;
-
- avi_stream2fourcc(&tag[0], i, s->streams[i]->codec->codec_type);
- ix_tag[3] = '0' + i;
-
- /* 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);
- /* 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);
- /* 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);
- put_le32(pb, ie->pos + 8);
- put_le32(pb, ((uint32_t)ie->len & ~0x80000000) |
+ for (i = 0; i < s->nb_streams; i++) {
+ AVIStream *avist = s->streams[i]->priv_data;
+ int64_t ix, pos;
+
+ avi_stream2fourcc(tag, i, s->streams[i]->codec->codec_type);
+ ix_tag[3] = '0' + i;
+
+ /* Writing AVI OpenDML leaf index chunk */
+ ix = avio_tell(pb);
+ ffio_wfourcc(pb, ix_tag); /* ix?? */
+ avio_wl32(pb, avist->indexes.entry * 8 + 24);
+ /* chunk size */
+ avio_wl16(pb, 2); /* wLongsPerEntry */
+ avio_w8(pb, 0); /* bIndexSubType (0 == frame index) */
+ avio_w8(pb, 1); /* bIndexType (1 == AVI_INDEX_OF_CHUNKS) */
+ avio_wl32(pb, avist->indexes.entry);
+ /* nEntriesInUse */
+ ffio_wfourcc(pb, tag); /* dwChunkId */
+ avio_wl64(pb, avi->movi_list); /* qwBaseOffset */
+ avio_wl32(pb, 0); /* dwReserved_3 (must be 0) */
+
+ for (j = 0; j < avist->indexes.entry; j++) {
+ AVIIentry *ie = avi_get_ientry(&avist->indexes, j);
+ avio_wl32(pb, ie->pos + 8);
+ avio_wl32(pb, ((uint32_t) ie->len & ~0x80000000) |
(ie->flags & 0x10 ? 0 : 0x80000000));
- }
- put_flush_packet(pb);
- pos = url_ftell(pb);
-
- /* Updating one entry in the AVI OpenDML master index */
- url_fseek(pb, avi->indexes[i].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 */
-
- url_fseek(pb, pos, SEEK_SET);
+ }
+ avio_flush(pb);
+ pos = avio_tell(pb);
+
+ /* Updating one entry in the AVI OpenDML master index */
+ avio_seek(pb, avist->indexes.indx_start - 8, SEEK_SET);
+ ffio_wfourcc(pb, "indx"); /* enabling this entry */
+ avio_skip(pb, 8);
+ avio_wl32(pb, avi->riff_id); /* nEntriesInUse */
+ avio_skip(pb, 16 * avi->riff_id);
+ avio_wl64(pb, ix); /* qwOffset */
+ avio_wl32(pb, pos - ix); /* dwSize */
+ avio_wl32(pb, avist->indexes.entry); /* dwDuration */
+
+ avio_seek(pb, pos, SEEK_SET);
}
return 0;
}
static int avi_write_idx1(AVFormatContext *s)
{
- ByteIOContext *pb = &s->pb;
+ AVIOContext *pb = s->pb;
AVIContext *avi = s->priv_data;
- offset_t idx_chunk;
+ int64_t idx_chunk;
int i;
char tag[5];
- if (!url_is_streamed(pb)) {
- AVIIentry* ie = 0, *tie;
- int entry[MAX_STREAMS];
+ if (pb->seekable) {
+ AVIStream *avist;
+ AVIIentry *ie = 0, *tie;
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])
- continue;
-
- tie = avi_get_ientry(&avi->indexes[i], entry[i]);
- if (empty || tie->pos < ie->pos) {
- ie = tie;
- stream_id = i;
- }
- empty = 0;
+ for (i = 0; i < s->nb_streams; i++) {
+ avist = s->streams[i]->priv_data;
+ if (avist->indexes.entry <= avist->entry)
+ continue;
+
+ tie = avi_get_ientry(&avist->indexes, avist->entry);
+ if (empty || tie->pos < ie->pos) {
+ ie = tie;
+ stream_id = i;
+ }
+ empty = 0;
}
if (!empty) {
- avi_stream2fourcc(&tag[0], stream_id,
+ avist = s->streams[stream_id]->priv_data;
+ avi_stream2fourcc(tag, 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]++;
+ ffio_wfourcc(pb, tag);
+ avio_wl32(pb, ie->flags);
+ avio_wl32(pb, ie->pos);
+ avio_wl32(pb, ie->len);
+ avist->entry++;
}
} while (!empty);
- end_tag(pb, idx_chunk);
+ ff_end_tag(pb, idx_chunk);
avi_write_counters(s, avi->riff_id);
}
static int avi_write_packet(AVFormatContext *s, AVPacket *pkt)
{
- AVIContext *avi = s->priv_data;
- 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, "%"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]){
+ unsigned int flags = 0;
+ const int stream_index = pkt->stream_index;
+ int size = pkt->size;
+ AVIContext *avi = s->priv_data;
+ AVIOContext *pb = s->pb;
+ AVIStream *avist = s->streams[stream_index]->priv_data;
+ AVCodecContext *enc = s->streams[stream_index]->codec;
+
+ while (enc->block_align == 0 && pkt->dts != AV_NOPTS_VALUE &&
+ pkt->dts > avist->packet_count) {
AVPacket empty_packet;
av_init_packet(&empty_packet);
- empty_packet.size= 0;
- empty_packet.data= NULL;
- empty_packet.stream_index= stream_index;
+ empty_packet.size = 0;
+ empty_packet.data = NULL;
+ empty_packet.stream_index = stream_index;
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)) {
-
+ if (pb->seekable &&
+ (avio_tell(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)
+ avi_stream2fourcc(tag, stream_index, enc->codec_type);
+ 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];
+ if (s->pb->seekable) {
+ int err;
+ 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) {
- idx->cluster = av_realloc(idx->cluster, (cl+1)*sizeof(void*));
- if (!idx->cluster)
- return -1;
- idx->cluster[cl] = av_malloc(AVI_INDEX_CLUSTER_SIZE*sizeof(AVIIentry));
+ if ((err = av_reallocp(&idx->cluster,
+ (cl + 1) * sizeof(*idx->cluster))) < 0) {
+ idx->ents_allocated = 0;
+ idx->entry = 0;
+ return err;
+ }
+ idx->cluster[cl] =
+ av_malloc(AVI_INDEX_CLUSTER_SIZE * sizeof(AVIIentry));
if (!idx->cluster[cl])
return -1;
idx->ents_allocated += AVI_INDEX_CLUSTER_SIZE;
}
idx->cluster[cl][id].flags = flags;
- idx->cluster[cl][id].pos = url_ftell(pb) - avi->movi_list;
- idx->cluster[cl][id].len = size;
+ idx->cluster[cl][id].pos = avio_tell(pb) - avi->movi_list;
+ idx->cluster[cl][id].len = size;
idx->entry++;
}
- put_buffer(pb, tag, 4);
- put_le32(pb, size);
- put_buffer(pb, pkt->data, size);
+ avio_write(pb, tag, 4);
+ avio_wl32(pb, size);
+ avio_write(pb, pkt->data, size);
if (size & 1)
- put_byte(pb, 0);
+ avio_w8(pb, 0);
- put_flush_packet(pb);
return 0;
}
static int avi_write_trailer(AVFormatContext *s)
{
AVIContext *avi = s->priv_data;
- ByteIOContext *pb = &s->pb;
+ AVIOContext *pb = s->pb;
int res = 0;
int i, j, n, nb_frames;
- offset_t file_size;
+ int64_t file_size;
- if (!url_is_streamed(pb)){
+ if (pb->seekable) {
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);
- put_tag(pb, "LIST"); /* Making this AVI OpenDML one */
- url_fskip(pb, 16);
+ file_size = avio_tell(pb);
+ avio_seek(pb, avi->odml_list - 8, SEEK_SET);
+ ffio_wfourcc(pb, "LIST"); /* Making this AVI OpenDML one */
+ avio_skip(pb, 16);
- for (n=nb_frames=0;n<s->nb_streams;n++) {
+ 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];
- }
+ if (stream->codec_id == AV_CODEC_ID_MP2 ||
+ stream->codec_id == AV_CODEC_ID_MP3)
+ nb_frames += avist->packet_count;
}
}
- put_le32(pb, nb_frames);
- url_fseek(pb, file_size, SEEK_SET);
+ avio_wl32(pb, nb_frames);
+ avio_seek(pb, file_size, SEEK_SET);
avi_write_counters(s, avi->riff_id);
}
}
- 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;
}
-AVOutputFormat avi_muxer = {
- "avi",
- "avi format",
- "video/x-msvideo",
- "avi",
- sizeof(AVIContext),
- CODEC_ID_MP2,
- CODEC_ID_MPEG4,
- avi_write_header,
- avi_write_packet,
- avi_write_trailer,
- .codec_tag= (const AVCodecTag*[]){codec_bmp_tags, codec_wav_tags, 0},
+AVOutputFormat ff_avi_muxer = {
+ .name = "avi",
+ .long_name = NULL_IF_CONFIG_SMALL("AVI (Audio Video Interleaved)"),
+ .mime_type = "video/x-msvideo",
+ .extensions = "avi",
+ .priv_data_size = sizeof(AVIContext),
+ .audio_codec = CONFIG_LIBMP3LAME ? AV_CODEC_ID_MP3 : AV_CODEC_ID_AC3,
+ .video_codec = AV_CODEC_ID_MPEG4,
+ .write_header = avi_write_header,
+ .write_packet = avi_write_packet,
+ .write_trailer = avi_write_trailer,
+ .codec_tag = (const AVCodecTag * const []) {
+ ff_codec_bmp_tags, ff_codec_wav_tags, 0
+ },
};
-#endif //CONFIG_AVI_MUXER
projects / ffmpeg / blobdiff