* Image format
* Copyright (c) 2000, 2001, 2002 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
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * 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"
-/* XXX: this is a hack */
-int loop_input = 0;
-
typedef struct {
int width;
int height;
/* return -1 if no image found */
-static int find_image_range(int *pfirst_index, int *plast_index,
+static int find_image_range(int *pfirst_index, int *plast_index,
const char *path)
{
char buf[1024];
/* find the first image */
for(first_index = 0; first_index < 5; first_index++) {
- if (get_frame_filename(buf, sizeof(buf), path, first_index) < 0)
+ if (av_get_frame_filename(buf, sizeof(buf), path, first_index) < 0)
goto fail;
if (url_exist(buf))
break;
}
if (first_index == 5)
goto fail;
-
+
/* find the last image */
last_index = first_index;
for(;;) {
range1 = 1;
else
range1 = 2 * range;
- if (get_frame_filename(buf, sizeof(buf), path,
- last_index + range1) < 0)
+ if (av_get_frame_filename(buf, sizeof(buf), path,
+ last_index + range1) < 0)
goto fail;
if (!url_exist(buf))
break;
static int image_probe(AVProbeData *p)
{
- if (filename_number_test(p->filename) >= 0 && guess_image_format(p->filename))
- return AVPROBE_SCORE_MAX;
+ if (av_filename_number_test(p->filename) && guess_image_format(p->filename))
+ return AVPROBE_SCORE_MAX-1;
else
return 0;
}
st = av_new_stream(s1, 0);
if (!st) {
- av_free(s);
return -ENOMEM;
}
- if (ap && ap->image_format)
+ if (ap->image_format)
s->img_fmt = ap->image_format;
- strcpy(s->path, s1->filename);
+ pstrcpy(s->path, sizeof(s->path), s1->filename);
s->img_number = 0;
s->img_count = 0;
-
+
/* find format */
if (s1->iformat->flags & AVFMT_NOFILE)
s->is_pipe = 0;
else
s->is_pipe = 1;
-
- if (!ap || !ap->frame_rate) {
- st->codec.frame_rate = 25;
- st->codec.frame_rate_base = 1;
+
+ if (!ap->time_base.num) {
+ st->codec->time_base= (AVRational){1,25};
} else {
- st->codec.frame_rate = ap->frame_rate;
- st->codec.frame_rate_base = ap->frame_rate_base;
+ st->codec->time_base= ap->time_base;
}
-
+
if (!s->is_pipe) {
if (find_image_range(&first_index, &last_index, s->path) < 0)
goto fail;
s->img_number = first_index;
/* compute duration */
st->start_time = 0;
- st->duration = ((int64_t)AV_TIME_BASE *
- (last_index - first_index + 1) *
- st->codec.frame_rate_base) / st->codec.frame_rate;
- if (get_frame_filename(buf, sizeof(buf), s->path, s->img_number) < 0)
+ st->duration = last_index - first_index + 1;
+ if (av_get_frame_filename(buf, sizeof(buf), s->path, s->img_number) < 0)
goto fail;
if (url_fopen(f, buf, URL_RDONLY) < 0)
goto fail;
} else {
f = &s1->pb;
}
-
+
ret = av_read_image(f, s1->filename, s->img_fmt, read_header_alloc_cb, s);
if (ret < 0)
goto fail1;
} else {
url_fseek(f, 0, SEEK_SET);
}
-
- st->codec.codec_type = CODEC_TYPE_VIDEO;
- st->codec.codec_id = CODEC_ID_RAWVIDEO;
- st->codec.width = s->width;
- st->codec.height = s->height;
- st->codec.pix_fmt = s->pix_fmt;
- s->img_size = avpicture_get_size(s->pix_fmt, s->width, s->height);
+
+ st->codec->codec_type = CODEC_TYPE_VIDEO;
+ st->codec->codec_id = CODEC_ID_RAWVIDEO;
+ st->codec->width = s->width;
+ st->codec->height = s->height;
+ st->codec->pix_fmt = s->pix_fmt;
+ s->img_size = avpicture_get_size(s->pix_fmt, (s->width+15)&(~15), (s->height+15)&(~15));
return 0;
fail1:
if (!s->is_pipe)
url_fclose(f);
fail:
- av_free(s);
- return -EIO;
+ return AVERROR_IO;
}
static int read_packet_alloc_cb(void *opaque, AVImageInfo *info)
if (info->width != s->width ||
info->height != s->height)
return -1;
- avpicture_fill(&info->pict, s->ptr, info->pix_fmt, info->width, info->height);
+ avpicture_fill(&info->pict, s->ptr, info->pix_fmt, (info->width+15)&(~15), (info->height+15)&(~15));
return 0;
}
if (!s->is_pipe) {
/* loop over input */
- if (loop_input && s->img_number > s->img_last) {
+ if (s1->loop_input && s->img_number > s->img_last) {
s->img_number = s->img_first;
}
- if (get_frame_filename(filename, sizeof(filename),
- s->path, s->img_number) < 0)
- return -EIO;
+ if (av_get_frame_filename(filename, sizeof(filename),
+ s->path, s->img_number) < 0)
+ return AVERROR_IO;
f = &f1;
if (url_fopen(f, filename, URL_RDONLY) < 0)
- return -EIO;
+ return AVERROR_IO;
} else {
f = &s1->pb;
if (url_feof(f))
- return -EIO;
+ return AVERROR_IO;
}
av_new_packet(pkt, s->img_size);
if (ret < 0) {
av_free_packet(pkt);
- return -EIO; /* signal EOF */
+ return AVERROR_IO; /* signal EOF */
} else {
/* XXX: computing this pts is not necessary as it is done in
the generic code too */
- pkt->pts = av_rescale((int64_t)s->img_count * s1->streams[0]->codec.frame_rate_base, s1->pts_den, s1->streams[0]->codec.frame_rate) / s1->pts_num;
+ pkt->pts = av_rescale((int64_t)s->img_count * s1->streams[0]->codec->time_base.num, s1->streams[0]->time_base.den, s1->streams[0]->codec->time_base.den) / s1->streams[0]->time_base.num;
s->img_count++;
s->img_number++;
return 0;
int i;
/* find output image format */
- if (ap && ap->image_format) {
+ if (ap->image_format) {
img_fmt = ap->image_format;
} else {
img_fmt = guess_image_format(s->filename);
if (s->nb_streams != 1)
return -1;
-
+
st = s->streams[0];
/* we select the first matching format */
for(i=0;i<PIX_FMT_NB;i++) {
return -1;
img->img_fmt = img_fmt;
img->pix_fmt = i;
- st->codec.pix_fmt = img->pix_fmt;
+ st->codec->pix_fmt = img->pix_fmt;
return 0;
}
VideoData *img = s->priv_data;
img->img_number = 1;
- strcpy(img->path, s->filename);
+ pstrcpy(img->path, sizeof(img->path), s->filename);
/* find format */
if (s->oformat->flags & AVFMT_NOFILE)
img->is_pipe = 0;
else
img->is_pipe = 1;
-
+
return 0;
}
-static int img_write_packet(AVFormatContext *s, int stream_index,
- const uint8_t *buf, int size, int64_t pts)
+static int img_write_packet(AVFormatContext *s, AVPacket *pkt)
{
VideoData *img = s->priv_data;
- AVStream *st = s->streams[stream_index];
+ AVStream *st = s->streams[pkt->stream_index];
ByteIOContext pb1, *pb;
AVPicture *picture;
int width, height, ret;
char filename[1024];
AVImageInfo info;
- width = st->codec.width;
- height = st->codec.height;
-
- picture = (AVPicture *)buf;
+ width = st->codec->width;
+ height = st->codec->height;
+
+ picture = (AVPicture *)pkt->data;
if (!img->is_pipe) {
- if (get_frame_filename(filename, sizeof(filename),
- img->path, img->img_number) < 0)
- return -EIO;
+ if (av_get_frame_filename(filename, sizeof(filename),
+ img->path, img->img_number) < 0)
+ return AVERROR_IO;
pb = &pb1;
if (url_fopen(pb, filename, URL_WRONLY) < 0)
- return -EIO;
+ return AVERROR_IO;
} else {
pb = &s->pb;
}
info.width = width;
info.height = height;
- info.pix_fmt = st->codec.pix_fmt;
+ info.pix_fmt = st->codec->pix_fmt;
info.interleaved = 0; /* FIXME: there should be a way to set it right */
info.pict = *picture;
ret = av_write_image(pb, img->img_fmt, &info);
}
/* input */
-
-static AVInputFormat image_iformat = {
+#ifdef CONFIG_IMAGE_DEMUXER
+AVInputFormat image_demuxer = {
"image",
"image sequence",
sizeof(VideoData),
NULL,
AVFMT_NOFILE | AVFMT_NEEDNUMBER,
};
-
-static AVInputFormat imagepipe_iformat = {
+#endif
+#ifdef CONFIG_IMAGEPIPE_DEMUXER
+AVInputFormat imagepipe_demuxer = {
"imagepipe",
"piped image sequence",
sizeof(VideoData),
img_read_close,
NULL,
};
-
+#endif
/* output */
-
-static AVOutputFormat image_oformat = {
+#ifdef CONFIG_IMAGE_MUXER
+AVOutputFormat image_muxer = {
"image",
"image sequence",
"",
AVFMT_NOFILE | AVFMT_NEEDNUMBER | AVFMT_RAWPICTURE,
img_set_parameters,
};
-
-static AVOutputFormat imagepipe_oformat = {
+#endif
+#ifdef CONFIG_IMAGEPIPE_MUXER
+AVOutputFormat imagepipe_muxer = {
"imagepipe",
"piped image sequence",
"",
AVFMT_RAWPICTURE,
img_set_parameters,
};
-
-int img_init(void)
-{
- av_register_input_format(&image_iformat);
- av_register_output_format(&image_oformat);
-
- av_register_input_format(&imagepipe_iformat);
- av_register_output_format(&imagepipe_oformat);
-
- return 0;
-}
+#endif
projects / ffmpeg / blobdiff