147 lines
4.0 KiB
C
147 lines
4.0 KiB
C
/*
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* Copyright (c) 2013 Clément Bœsch
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <quvi/quvi.h>
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#include "libavformat/avformat.h"
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#include "libavformat/internal.h"
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#include "libavutil/opt.h"
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typedef struct {
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const AVClass *class;
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char *format;
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AVFormatContext *fmtctx;
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} LibQuviContext;
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#define OFFSET(x) offsetof(LibQuviContext, x)
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#define FLAGS AV_OPT_FLAG_DECODING_PARAM
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static const AVOption libquvi_options[] = {
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{ "format", "request specific format", OFFSET(format), AV_OPT_TYPE_STRING, {.str="best"}, .flags = FLAGS },
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{ NULL }
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};
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static const AVClass libquvi_context_class = {
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.class_name = "libquvi",
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.item_name = av_default_item_name,
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.option = libquvi_options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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static int libquvi_close(AVFormatContext *s)
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{
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LibQuviContext *qc = s->priv_data;
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if (qc->fmtctx)
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avformat_close_input(&qc->fmtctx);
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return 0;
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}
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static int libquvi_read_header(AVFormatContext *s)
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{
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int i, ret;
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quvi_t q;
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quvi_media_t m;
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QUVIcode rc;
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LibQuviContext *qc = s->priv_data;
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char *media_url, *pagetitle;
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rc = quvi_init(&q);
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if (rc != QUVI_OK)
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goto quvi_fail;
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quvi_setopt(q, QUVIOPT_FORMAT, qc->format);
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rc = quvi_parse(q, s->filename, &m);
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if (rc != QUVI_OK)
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goto quvi_fail;
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rc = quvi_getprop(m, QUVIPROP_MEDIAURL, &media_url);
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if (rc != QUVI_OK)
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goto quvi_fail;
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ret = avformat_open_input(&qc->fmtctx, media_url, NULL, NULL);
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if (ret < 0)
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goto end;
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rc = quvi_getprop(m, QUVIPROP_PAGETITLE, &pagetitle);
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if (rc == QUVI_OK)
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av_dict_set(&s->metadata, "title", pagetitle, 0);
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for (i = 0; i < qc->fmtctx->nb_streams; i++) {
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AVStream *st = avformat_new_stream(s, NULL);
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AVStream *ist = qc->fmtctx->streams[i];
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if (!st) {
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ret = AVERROR(ENOMEM);
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goto end;
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}
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avpriv_set_pts_info(st, ist->pts_wrap_bits, ist->time_base.num, ist->time_base.den);
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avcodec_copy_context(st->codec, qc->fmtctx->streams[i]->codec);
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}
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return 0;
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quvi_fail:
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av_log(s, AV_LOG_ERROR, "%s\n", quvi_strerror(&q, rc));
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ret = rc;
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end:
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quvi_parse_close(&m);
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quvi_close(&q);
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return ret;
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}
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static int libquvi_read_packet(AVFormatContext *s, AVPacket *pkt)
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{
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LibQuviContext *qc = s->priv_data;
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return av_read_frame(qc->fmtctx, pkt);
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}
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static int libquvi_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
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{
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LibQuviContext *qc = s->priv_data;
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return av_seek_frame(qc->fmtctx, stream_index, timestamp, flags);
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}
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static int libquvi_probe(AVProbeData *p)
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{
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int score;
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quvi_t q;
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QUVIcode rc;
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rc = quvi_init(&q);
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if (rc != QUVI_OK)
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return AVERROR(ENOMEM);
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score = quvi_supported(q, (char *)p->filename) == QUVI_OK ? AVPROBE_SCORE_MAX/2 : 0;
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quvi_close(&q);
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return score;
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}
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AVInputFormat ff_libquvi_demuxer = {
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.name = "libquvi",
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.long_name = NULL_IF_CONFIG_SMALL("libquvi demuxer"),
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.priv_data_size = sizeof(LibQuviContext),
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.read_probe = libquvi_probe,
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.read_header = libquvi_read_header,
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.read_packet = libquvi_read_packet,
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.read_close = libquvi_close,
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.read_seek = libquvi_read_seek,
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.priv_class = &libquvi_context_class,
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.flags = AVFMT_NOFILE,
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};
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