Remove obsolete imgformat1 leftovers.

Originally committed as revision 7894 to svn://svn.ffmpeg.org/ffmpeg/trunk

3 files changed, 0 insertions, 801 deletions

diff --git a/libavformat/img.c b/libavformat/img.c
deleted file mode 100644
index 5223c691e4..0000000000
--- a/libavformat/img.c
+++ /dev/null
@@ -1,400 +0,0 @@
-/*
- * Image format
- * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
- *
- * 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 2.1 of the License, or (at your option) any later version.
- *
- * 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 FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#include "avformat.h"
-
-typedef struct {
-    int width;
-    int height;
-    int img_first;
-    int img_last;
-    int img_number;
-    int img_count;
-    int img_size;
-    AVImageFormat *img_fmt;
-    int pix_fmt;
-    int is_pipe;
-    char path[1024];
-    /* temporary usage */
-    void *ptr;
-} VideoData;
-
-
-/* return -1 if no image found */
-static int find_image_range(int *pfirst_index, int *plast_index,
-                            const char *path)
-{
-    char buf[1024];
-    int range, last_index, range1, first_index;
-
-    /* find the first image */
-    for(first_index = 0; first_index < 5; first_index++) {
-        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(;;) {
-        range = 0;
-        for(;;) {
-            if (!range)
-                range1 = 1;
-            else
-                range1 = 2 * range;
-            if (av_get_frame_filename(buf, sizeof(buf), path,
-                                      last_index + range1) < 0)
-                goto fail;
-            if (!url_exist(buf))
-                break;
-            range = range1;
-            /* just in case... */
-            if (range >= (1 << 30))
-                goto fail;
-        }
-        /* we are sure than image last_index + range exists */
-        if (!range)
-            break;
-        last_index += range;
-    }
-    *pfirst_index = first_index;
-    *plast_index = last_index;
-    return 0;
- fail:
-    return -1;
-}
-
-
-static int image_probe(AVProbeData *p)
-{
-    if (av_filename_number_test(p->filename) && guess_image_format(p->filename))
-        return AVPROBE_SCORE_MAX-1;
-    else
-        return 0;
-}
-
-static int read_header_alloc_cb(void *opaque, AVImageInfo *info)
-{
-    VideoData *s = opaque;
-
-    s->width = info->width;
-    s->height = info->height;
-    s->pix_fmt = info->pix_fmt;
-    /* stop image reading but no error */
-    return 1;
-}
-
-static int img_read_header(AVFormatContext *s1, AVFormatParameters *ap)
-{
-    VideoData *s = s1->priv_data;
-    int ret, first_index, last_index;
-    char buf[1024];
-    ByteIOContext pb1, *f = &pb1;
-    AVStream *st;
-
-    st = av_new_stream(s1, 0);
-    if (!st) {
-        return -ENOMEM;
-    }
-
-    if (ap->image_format)
-        s->img_fmt = ap->image_format;
-
-    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->time_base.num) {
-        st->codec->time_base= (AVRational){1,25};
-    } else {
-        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_first = first_index;
-        s->img_last = last_index;
-        s->img_number = first_index;
-        /* compute duration */
-        st->start_time = 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;
-
-    if (!s->is_pipe) {
-        url_fclose(f);
-    } 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+15)&(~15), (s->height+15)&(~15));
-
-    return 0;
- fail1:
-    if (!s->is_pipe)
-        url_fclose(f);
- fail:
-    return AVERROR_IO;
-}
-
-static int read_packet_alloc_cb(void *opaque, AVImageInfo *info)
-{
-    VideoData *s = opaque;
-
-    if (info->width != s->width ||
-        info->height != s->height)
-        return -1;
-    avpicture_fill(&info->pict, s->ptr, info->pix_fmt, (info->width+15)&(~15), (info->height+15)&(~15));
-    return 0;
-}
-
-static int img_read_packet(AVFormatContext *s1, AVPacket *pkt)
-{
-    VideoData *s = s1->priv_data;
-    char filename[1024];
-    int ret;
-    ByteIOContext f1, *f;
-
-    if (!s->is_pipe) {
-        /* loop over input */
-        if (s1->loop_input && s->img_number > s->img_last) {
-            s->img_number = s->img_first;
-        }
-        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 AVERROR_IO;
-    } else {
-        f = &s1->pb;
-        if (url_feof(f))
-            return AVERROR_IO;
-    }
-
-    av_new_packet(pkt, s->img_size);
-    pkt->stream_index = 0;
-
-    s->ptr = pkt->data;
-    ret = av_read_image(f, filename, s->img_fmt, read_packet_alloc_cb, s);
-    if (!s->is_pipe) {
-        url_fclose(f);
-    }
-
-    if (ret < 0) {
-        av_free_packet(pkt);
-        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->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;
-    }
-}
-
-static int img_read_close(AVFormatContext *s1)
-{
-    return 0;
-}
-
-/******************************************************/
-/* image output */
-
-static int img_set_parameters(AVFormatContext *s, AVFormatParameters *ap)
-{
-    VideoData *img = s->priv_data;
-    AVStream *st;
-    AVImageFormat *img_fmt;
-    int i;
-
-    /* find output image format */
-    if (ap->image_format) {
-        img_fmt = ap->image_format;
-    } else {
-        img_fmt = guess_image_format(s->filename);
-    }
-    if (!img_fmt)
-        return -1;
-
-    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++) {
-        if (img_fmt->supported_pixel_formats & (1 << i))
-            break;
-    }
-    if (i >= PIX_FMT_NB)
-        return -1;
-    img->img_fmt = img_fmt;
-    img->pix_fmt = i;
-    st->codec->pix_fmt = img->pix_fmt;
-    return 0;
-}
-
-static int img_write_header(AVFormatContext *s)
-{
-    VideoData *img = s->priv_data;
-
-    img->img_number = 1;
-    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, AVPacket *pkt)
-{
-    VideoData *img = s->priv_data;
-    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 *)pkt->data;
-
-    if (!img->is_pipe) {
-        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 AVERROR_IO;
-    } else {
-        pb = &s->pb;
-    }
-    info.width = width;
-    info.height = height;
-    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);
-    if (!img->is_pipe) {
-        url_fclose(pb);
-    }
-
-    img->img_number++;
-    return 0;
-}
-
-static int img_write_trailer(AVFormatContext *s)
-{
-    return 0;
-}
-
-/* input */
-#ifdef CONFIG_IMAGE_DEMUXER
-AVInputFormat image_demuxer = {
-    "image",
-    "image sequence",
-    sizeof(VideoData),
-    image_probe,
-    img_read_header,
-    img_read_packet,
-    img_read_close,
-    NULL,
-    NULL,
-    AVFMT_NOFILE | AVFMT_NEEDNUMBER,
-};
-#endif
-#ifdef CONFIG_IMAGEPIPE_DEMUXER
-AVInputFormat imagepipe_demuxer = {
-    "imagepipe",
-    "piped image sequence",
-    sizeof(VideoData),
-    NULL, /* no probe */
-    img_read_header,
-    img_read_packet,
-    img_read_close,
-    NULL,
-};
-#endif
-
-/* output */
-#ifdef CONFIG_IMAGE_MUXER
-AVOutputFormat image_muxer = {
-    "image",
-    "image sequence",
-    "",
-    "",
-    sizeof(VideoData),
-    CODEC_ID_NONE,
-    CODEC_ID_RAWVIDEO,
-    img_write_header,
-    img_write_packet,
-    img_write_trailer,
-    AVFMT_NOFILE | AVFMT_NEEDNUMBER | AVFMT_RAWPICTURE,
-    img_set_parameters,
-};
-#endif
-#ifdef CONFIG_IMAGEPIPE_MUXER
-AVOutputFormat imagepipe_muxer = {
-    "imagepipe",
-    "piped image sequence",
-    "",
-    "",
-    sizeof(VideoData),
-    CODEC_ID_NONE,
-    CODEC_ID_RAWVIDEO,
-    img_write_header,
-    img_write_packet,
-    img_write_trailer,
-    AVFMT_RAWPICTURE,
-    img_set_parameters,
-};
-#endif
diff --git a/libavformat/jpeg.c b/libavformat/jpeg.c
deleted file mode 100644
index b5fc043c91..0000000000
--- a/libavformat/jpeg.c
+++ /dev/null
@@ -1,240 +0,0 @@
-/*
- * JPEG image format
- * Copyright (c) 2003 Fabrice Bellard.
- *
- * 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 2.1 of the License, or (at your option) any later version.
- *
- * 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 FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#include "avformat.h"
-
-static int jpeg_probe(AVProbeData *pd)
-{
-    if (pd->buf_size >= 64 &&
-        pd->buf[0] == 0xff && pd->buf[1] == 0xd8 && pd->buf[2] == 0xff)
-        return AVPROBE_SCORE_MAX;
-    else
-        return 0;
-}
-
-typedef struct JpegOpaque {
-    int (*alloc_cb)(void *opaque, AVImageInfo *info);
-    void *opaque;
-    int ret_code;
-} JpegOpaque;
-
-/* called by the codec to allocate the image */
-static int jpeg_get_buffer(AVCodecContext *c, AVFrame *picture)
-{
-    JpegOpaque *jctx = c->opaque;
-    AVImageInfo info1, *info = &info1;
-    int ret, i;
-
-    info->width = c->width;
-    info->height = c->height;
-    switch(c->pix_fmt) {
-    case PIX_FMT_YUV420P:
-        info->pix_fmt = PIX_FMT_YUVJ420P;
-        break;
-    case PIX_FMT_YUV422P:
-        info->pix_fmt = PIX_FMT_YUVJ422P;
-        break;
-    case PIX_FMT_YUV444P:
-        info->pix_fmt = PIX_FMT_YUVJ444P;
-        break;
-    default:
-        return -1;
-    }
-    ret = jctx->alloc_cb(jctx->opaque, info);
-    if (ret) {
-        jctx->ret_code = ret;
-        return -1;
-    } else {
-        for(i=0;i<3;i++) {
-            picture->data[i] = info->pict.data[i];
-            picture->linesize[i] = info->pict.linesize[i];
-        }
-        return 0;
-    }
-}
-
-static void jpeg_img_copy(uint8_t *dst, int dst_wrap,
-                     uint8_t *src, int src_wrap,
-                     int width, int height)
-{
-    for(;height > 0; height--) {
-        memcpy(dst, src, width);
-        dst += dst_wrap;
-        src += src_wrap;
-    }
-}
-
-/* XXX: libavcodec is broken for truncated jpegs! */
-#define IO_BUF_SIZE (1024*1024)
-
-static int jpeg_read(ByteIOContext *f,
-                     int (*alloc_cb)(void *opaque, AVImageInfo *info), void *opaque)
-{
-    AVCodecContext *c;
-    AVFrame *picture, picture1;
-    int len, size, got_picture, i;
-    uint8_t *inbuf_ptr, inbuf[IO_BUF_SIZE];
-    JpegOpaque jctx;
-
-    jctx.alloc_cb = alloc_cb;
-    jctx.opaque = opaque;
-    jctx.ret_code = -1; /* default return code is error */
-
-    c = avcodec_alloc_context();
-    if (!c)
-        return -1;
-    picture= avcodec_alloc_frame();
-    if (!picture) {
-        av_free(c);
-        return -1;
-    }
-    c->opaque = &jctx;
-    c->get_buffer = jpeg_get_buffer;
-    c->flags |= CODEC_FLAG_TRUNCATED; /* we dont send complete frames */
-    if (avcodec_open(c, &mjpeg_decoder) < 0)
-        goto fail1;
-    for(;;) {
-        size = get_buffer(f, inbuf, sizeof(inbuf));
-        if (size == 0)
-            break;
-        inbuf_ptr = inbuf;
-        while (size > 0) {
-            len = avcodec_decode_video(c, &picture1, &got_picture,
-                                       inbuf_ptr, size);
-            if (len < 0)
-                goto fail;
-            if (got_picture)
-                goto the_end;
-            size -= len;
-            inbuf_ptr += len;
-        }
-    }
- the_end:
-    /* XXX: currently, the mjpeg decoder does not use AVFrame, so we
-       must do it by hand */
-    if (jpeg_get_buffer(c, picture) < 0)
-        goto fail;
-    for(i=0;i<3;i++) {
-        int w, h;
-        w = c->width;
-        h = c->height;
-        if (i >= 1) {
-            switch(c->pix_fmt) {
-            default:
-            case PIX_FMT_YUV420P:
-                w = (w + 1) >> 1;
-                h = (h + 1) >> 1;
-                break;
-            case PIX_FMT_YUV422P:
-                w = (w + 1) >> 1;
-                break;
-            case PIX_FMT_YUV444P:
-                break;
-            }
-        }
-        jpeg_img_copy(picture->data[i], picture->linesize[i],
-                 picture1.data[i], picture1.linesize[i],
-                 w, h);
-    }
-    jctx.ret_code = 0;
- fail:
-    avcodec_close(c);
- fail1:
-    av_free(picture);
-    av_free(c);
-    return jctx.ret_code;
-}
-
-#if defined(CONFIG_MUXERS) && defined(CONFIG_MJPEG_ENCODER)
-static int jpeg_write(ByteIOContext *pb, AVImageInfo *info)
-{
-    AVCodecContext *c;
-    uint8_t *outbuf = NULL;
-    int outbuf_size, ret, size, i;
-    AVFrame *picture;
-
-    ret = -1;
-    c = avcodec_alloc_context();
-    if (!c)
-        return -1;
-    picture = avcodec_alloc_frame();
-    if (!picture)
-        goto fail2;
-    c->width = info->width;
-    c->height = info->height;
-    /* XXX: currently move that to the codec ? */
-    switch(info->pix_fmt) {
-    case PIX_FMT_YUVJ420P:
-        c->pix_fmt = PIX_FMT_YUV420P;
-        break;
-    case PIX_FMT_YUVJ422P:
-        c->pix_fmt = PIX_FMT_YUV422P;
-        break;
-    case PIX_FMT_YUVJ444P:
-        c->pix_fmt = PIX_FMT_YUV444P;
-        break;
-    default:
-        goto fail1;
-    }
-    for(i=0;i<3;i++) {
-        picture->data[i] = info->pict.data[i];
-        picture->linesize[i] = info->pict.linesize[i];
-    }
-    /* set the quality */
-    picture->quality = 3; /* XXX: a parameter should be used */
-    c->flags |= CODEC_FLAG_QSCALE;
-
-    if (avcodec_open(c, &mjpeg_encoder) < 0)
-        goto fail1;
-
-    /* XXX: needs to sort out that size problem */
-    outbuf_size = 1000000;
-    outbuf = av_malloc(outbuf_size);
-
-    size = avcodec_encode_video(c, outbuf, outbuf_size, picture);
-    if (size < 0)
-        goto fail;
-    put_buffer(pb, outbuf, size);
-    put_flush_packet(pb);
-    ret = 0;
-
- fail:
-    avcodec_close(c);
-    av_free(outbuf);
- fail1:
-    av_free(picture);
- fail2:
-    av_free(c);
-    return ret;
-}
-#endif //CONFIG_MUXERS
-
-AVImageFormat jpeg_image_format = {
-    "jpeg",
-    "jpg,jpeg",
-    jpeg_probe,
-    jpeg_read,
-    (1 << PIX_FMT_YUVJ420P) | (1 << PIX_FMT_YUVJ422P) | (1 << PIX_FMT_YUVJ444P),
-#if defined(CONFIG_MUXERS) && defined(CONFIG_MJPEG_ENCODER)
-    jpeg_write,
-#else
-    NULL,
-#endif //CONFIG_MUXERS
-};
diff --git a/libavformat/yuv.c b/libavformat/yuv.c
deleted file mode 100644
index fe52cdea53..0000000000
--- a/libavformat/yuv.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * .Y.U.V image format
- * Copyright (c) 2003 Fabrice Bellard.
- *
- * 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 2.1 of the License, or (at your option) any later version.
- *
- * 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 FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#include "avformat.h"
-
-static int sizes[][2] = {
-    { 640, 480 },
-    { 720, 480 },
-    { 720, 576 },
-    { 352, 288 },
-    { 352, 240 },
-    { 160, 128 },
-    { 512, 384 },
-    { 640, 352 },
-    { 640, 240 },
-};
-
-static int infer_size(int *width_ptr, int *height_ptr, int size)
-{
-    int i;
-
-    for(i=0;i<sizeof(sizes)/sizeof(sizes[0]);i++) {
-        if ((sizes[i][0] * sizes[i][1]) == size) {
-            *width_ptr = sizes[i][0];
-            *height_ptr = sizes[i][1];
-            return 0;
-        }
-    }
-    return -1;
-}
-
-static int yuv_read(ByteIOContext *f,
-                    int (*alloc_cb)(void *opaque, AVImageInfo *info), void *opaque)
-{
-    ByteIOContext pb1, *pb = &pb1;
-    int img_size, ret;
-    char fname[1024], *p;
-    int size;
-    URLContext *h;
-    AVImageInfo info1, *info = &info1;
-
-    img_size = url_fsize(f);
-
-    /* XXX: hack hack */
-    h = url_fileno(f);
-    url_get_filename(h, fname, sizeof(fname));
-
-    if (infer_size(&info->width, &info->height, img_size) < 0) {
-        return AVERROR_IO;
-    }
-    info->pix_fmt = PIX_FMT_YUV420P;
-
-    ret = alloc_cb(opaque, info);
-    if (ret)
-        return ret;
-
-    size = info->width * info->height;
-
-    p = strrchr(fname, '.');
-    if (!p || p[1] != 'Y')
-        return AVERROR_IO;
-
-    get_buffer(f, info->pict.data[0], size);
-
-    p[1] = 'U';
-    if (url_fopen(pb, fname, URL_RDONLY) < 0)
-        return AVERROR_IO;
-
-    get_buffer(pb, info->pict.data[1], size / 4);
-    url_fclose(pb);
-
-    p[1] = 'V';
-    if (url_fopen(pb, fname, URL_RDONLY) < 0)
-        return AVERROR_IO;
-
-    get_buffer(pb, info->pict.data[2], size / 4);
-    url_fclose(pb);
-    return 0;
-}
-
-static int yuv_write(ByteIOContext *pb2, AVImageInfo *info)
-{
-    ByteIOContext pb1, *pb;
-    char fname[1024], *p;
-    int i, j, width, height;
-    uint8_t *ptr;
-    URLContext *h;
-    static const char *ext = "YUV";
-
-    /* XXX: hack hack */
-    h = url_fileno(pb2);
-    url_get_filename(h, fname, sizeof(fname));
-
-    p = strrchr(fname, '.');
-    if (!p || p[1] != 'Y')
-        return AVERROR_IO;
-
-    width = info->width;
-    height = info->height;
-
-    for(i=0;i<3;i++) {
-        if (i == 1) {
-            width >>= 1;
-            height >>= 1;
-        }
-
-        if (i >= 1) {
-            pb = &pb1;
-            p[1] = ext[i];
-            if (url_fopen(pb, fname, URL_WRONLY) < 0)
-                return AVERROR_IO;
-        } else {
-            pb = pb2;
-        }
-
-        ptr = info->pict.data[i];
-        for(j=0;j<height;j++) {
-            put_buffer(pb, ptr, width);
-            ptr += info->pict.linesize[i];
-        }
-        put_flush_packet(pb);
-        if (i >= 1) {
-            url_fclose(pb);
-        }
-    }
-    return 0;
-}
-
-static int yuv_probe(AVProbeData *pd)
-{
-    if (match_ext(pd->filename, "Y"))
-        return AVPROBE_SCORE_MAX;
-    else
-        return 0;
-}
-
-AVImageFormat yuv_image_format = {
-    "yuv",
-    "Y",
-    yuv_probe,
-    yuv_read,
-    (1 << PIX_FMT_YUV420P),
-    yuv_write,
-};