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🎥 Command line media player
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C
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101/* * This file is part of mpv. * * mpv 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. * * mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>. */
#include "common/common.h"#include "stream.h"
struct priv { bstr data;};
static int fill_buffer(stream_t *s, void *buffer, int len){ struct priv *p = s->priv; bstr data = p->data; if (s->pos < 0 || s->pos > data.len) return 0; len = MPMIN(len, data.len - s->pos); memcpy(buffer, data.start + s->pos, len); return len;}
static int seek(stream_t *s, int64_t newpos){ return 1;}
static int64_t get_size(stream_t *s){ struct priv *p = s->priv; return p->data.len;}
static int open2(stream_t *stream, struct stream_open_args *args){ stream->fill_buffer = fill_buffer; stream->seek = seek; stream->seekable = true; stream->get_size = get_size;
struct priv *p = talloc_zero(stream, struct priv); stream->priv = p;
// Initial data bstr data = bstr0(stream->url); bool use_hex = bstr_eatstart0(&data, "hex://"); if (!use_hex) bstr_eatstart0(&data, "memory://");
if (args->special_arg) data = *(bstr *)args->special_arg;
p->data = bstrdup(stream, data);
if (use_hex && !bstr_decode_hex(stream, p->data, &p->data)) { MP_FATAL(stream, "Invalid data.\n"); return STREAM_ERROR; }
return STREAM_OK;}
const stream_info_t stream_info_memory = { .name = "memory", .open2 = open2, .protocols = (const char*const[]){ "memory", "hex", NULL },};
// The data is copied.// Caller may need to set stream.stream_origin correctly.struct stream *stream_memory_open(struct mpv_global *global, void *data, int len){ assert(len >= 0);
struct stream_open_args sargs = { .global = global, .url = "memory://", .flags = STREAM_READ | STREAM_SILENT | STREAM_ORIGIN_DIRECT, .sinfo = &stream_info_memory, .special_arg = &(bstr){data, len}, };
struct stream *s = NULL; stream_create_with_args(&sargs, &s); MP_HANDLE_OOM(s); return s;}