mirror of https://github.com/FFmpeg/FFmpeg.git
Clément Bœsch
12 years ago
parent
89388a953a
commit
2a7f885fe1
7 changed files with 166 additions and 1 deletions
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/*
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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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