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🎥 Command line media player
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C
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107#include <stdio.h>#include <sys/types.h>#include <sys/stat.h>#include <fcntl.h>#include <errno.h>
#include "osdep/io.h"
#include "common/common.h"#include "common/msg.h"#include "stream.h"#include "options/m_option.h"#include "options/path.h"#include "player/client.h"#include "libmpv/stream_cb.h"#include "misc/thread_tools.h"
struct priv { mpv_stream_cb_info info; struct mp_cancel *cancel;};
static int fill_buffer(stream_t *s, void *buffer, int max_len){ struct priv *p = s->priv; return (int)p->info.read_fn(p->info.cookie, buffer, (size_t)max_len);}
static int seek(stream_t *s, int64_t newpos){ struct priv *p = s->priv; return p->info.seek_fn(p->info.cookie, newpos) >= 0;}
static int64_t get_size(stream_t *s){ struct priv *p = s->priv;
if (p->info.size_fn) { int64_t size = p->info.size_fn(p->info.cookie); if (size >= 0) return size; }
return -1;}
static void s_close(stream_t *s){ struct priv *p = s->priv; p->info.close_fn(p->info.cookie);}
static int open_cb(stream_t *stream){ struct priv *p = talloc_ptrtype(stream, p); stream->priv = p;
bstr bproto = mp_split_proto(bstr0(stream->url), NULL); char *proto = bstrto0(stream, bproto);
void *user_data; mpv_stream_cb_open_ro_fn open_fn;
if (!mp_streamcb_lookup(stream->global, proto, &user_data, &open_fn)) return STREAM_UNSUPPORTED;
mpv_stream_cb_info info = {0};
int r = open_fn(user_data, stream->url, &info); if (r < 0) { if (r != MPV_ERROR_LOADING_FAILED) MP_WARN(stream, "unknown error from user callback\n"); return STREAM_ERROR; }
if (!info.read_fn || !info.close_fn) { MP_FATAL(stream, "required read_fn or close_fn callbacks not set.\n"); return STREAM_ERROR; }
p->info = info;
if (p->info.seek_fn && p->info.seek_fn(p->info.cookie, 0) >= 0) { stream->seek = seek; stream->seekable = true; } stream->fast_skip = true; stream->fill_buffer = fill_buffer; stream->get_size = get_size; stream->close = s_close;
if (p->info.cancel_fn && stream->cancel) { p->cancel = mp_cancel_new(p); mp_cancel_set_parent(p->cancel, stream->cancel); mp_cancel_set_cb(p->cancel, p->info.cancel_fn, p->info.cookie); }
return STREAM_OK;}
const stream_info_t stream_info_cb = { .name = "stream_callback", .open = open_cb, .stream_origin = STREAM_ORIGIN_UNSAFE,};