#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_access.h>
+#include <vlc_sout.h>
#include <vlc_avcodec.h>
#include "avio.h"
+#if LIBAVFORMAT_VERSION_MAJOR < 54
+# define AVIOContext URLContext
+
+# define avio_open url_open
+# define avio_close url_close
+# define avio_read url_read
+# define avio_seek url_seek
+# define avio_pause av_url_read_pause
+
+# define AVIO_FLAG_READ URL_RDONLY
+# define AVIO_FLAG_WRITE URL_WRONLY
+# define avio_size url_filesize
+#endif
+
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static ssize_t Read (access_t *, uint8_t *, size_t);
static int Seek (access_t *, uint64_t);
static int Control(access_t *, int, va_list);
+static ssize_t Write(sout_access_out_t *, block_t *);
+static int OutControl(sout_access_out_t *, int, va_list);
+static int OutSeek (sout_access_out_t *, off_t);
-static int SetupAvio(access_t *);
+static int UrlInterruptCallback(void *access)
+{
+ return !vlc_object_alive((vlc_object_t*)access);
+}
struct access_sys_t {
- URLContext *context;
+ AVIOContext *context;
+};
+
+struct sout_access_out_sys_t {
+ AVIOContext *context;
};
+
/* */
-int OpenAvio(vlc_object_t *object)
-{
- access_t *access = (access_t*)object;
- access_sys_t *sys;
- /* */
- access->p_sys = sys = malloc(sizeof(*sys));
- if (!sys)
- return VLC_ENOMEM;
+#if LIBAVFORMAT_VERSION_MAJOR < 54
+static vlc_object_t *current_access = NULL;
- /* We can either accept only one user (actually) or multiple ones
- * with an exclusive lock */
- if (SetupAvio(access)) {
- msg_Err(access, "Module aready in use");
+static int UrlInterruptCallbackSingle(void)
+{
+ return UrlInterruptCallback(current_access);
+}
+
+static int SetupAvioCb(vlc_object_t *access)
+{
+ static vlc_mutex_t avio_lock = VLC_STATIC_MUTEX;
+ vlc_mutex_lock(&avio_lock);
+ assert(!access != !current_access);
+ if (access && current_access) {
+ vlc_mutex_unlock(&avio_lock);
return VLC_EGENERIC;
}
+ url_set_interrupt_cb(access ? UrlInterruptCallbackSingle : NULL);
- /* */
- vlc_avcodec_lock();
- av_register_all();
- vlc_avcodec_unlock();
+ current_access = access;
+
+ vlc_mutex_unlock(&avio_lock);
+
+ return VLC_SUCCESS;
+}
+#endif
+
+/* */
+
+int OpenAvio(vlc_object_t *object)
+{
+ access_t *access = (access_t*)object;
+ access_sys_t *sys = malloc(sizeof(*sys));
+ if (!sys)
+ return VLC_ENOMEM;
+ sys->context = NULL;
/* We accept:
* - avio://full_url
access->psz_location) < 0)
url = NULL;
- if (!url)
- goto error;
+ if (!url) {
+ free(sys);
+ return VLC_ENOMEM;
+ }
- msg_Dbg(access, "Opening '%s'", url);
- if (url_open(&sys->context, url, URL_RDONLY) < 0 )
- sys->context = NULL;
+ /* */
+ vlc_avcodec_lock();
+ av_register_all();
+ vlc_avcodec_unlock();
+
+ int ret;
+#if LIBAVFORMAT_VERSION_MAJOR < 54
+ ret = avio_open(&sys->context, url, AVIO_FLAG_READ);
+#else
+ AVIOInterruptCB cb = {
+ .callback = UrlInterruptCallback,
+ .opaque = access,
+ };
+ ret = avio_open2(&sys->context, url, AVIO_FLAG_READ, &cb, NULL /* options */);
+#endif
+ if (ret < 0) {
+ errno = AVUNERROR(ret);
+ msg_Err(access, "Failed to open %s: %m", url);
+ free(url);
+ goto error;
+ }
free(url);
- if (!sys->context) {
- msg_Err(access, "Failed to open url using libavformat");
+#if LIBAVFORMAT_VERSION_MAJOR < 54
+ /* We can accept only one active user at any time */
+ if (SetupAvioCb(VLC_OBJECT(access))) {
+ msg_Err(access, "Module aready in use");
+ avio_close(sys->context);
goto error;
}
- const int64_t size = url_filesize(sys->context);
- msg_Dbg(access, "is_streamed=%d size=%"PRIi64, sys->context->is_streamed, size);
+#endif
+
+ int64_t size = avio_size(sys->context);
+ bool seekable;
+#if LIBAVFORMAT_VERSION_MAJOR < 54
+ seekable = !sys->context->is_streamed;
+#else
+ seekable = sys->context->seekable;
+#endif
+ msg_Dbg(access, "%sseekable, size=%"PRIi64, seekable ? "" : "not ", size);
/* */
access_InitFields(access);
return VLC_SUCCESS;
error:
- SetupAvio(NULL);
free(sys);
return VLC_EGENERIC;
}
+/* */
+int OutOpenAvio(vlc_object_t *object)
+{
+ sout_access_out_t *access = (sout_access_out_t*)object;
+ sout_access_out_sys_t *sys = malloc(sizeof(*sys));
+ if (!sys)
+ return VLC_ENOMEM;
+ sys->context = NULL;
+
+ /* */
+ vlc_avcodec_lock();
+ av_register_all();
+ vlc_avcodec_unlock();
+
+ if (!access->psz_path)
+ goto error;
+
+ int ret;
+#if LIBAVFORMAT_VERSION_MAJOR < 54
+ ret = avio_open(&sys->context, access->psz_path, AVIO_FLAG_WRITE);
+#else
+ AVIOInterruptCB cb = {
+ .callback = UrlInterruptCallback,
+ .opaque = access,
+ };
+ ret = avio_open2(&sys->context, access->psz_path, AVIO_FLAG_WRITE,
+ &cb, NULL /* options */);
+#endif
+ if (ret < 0) {
+ errno = AVUNERROR(ret);
+ msg_Err(access, "Failed to open %s", access->psz_path);
+ goto error;
+ }
+
+#if LIBAVFORMAT_VERSION_MAJOR < 54
+ /* We can accept only one active user at any time */
+ if (SetupAvioCb(VLC_OBJECT(access))) {
+ msg_Err(access, "Module aready in use");
+ goto error;
+ }
+#endif
+
+ access->pf_write = Write;
+ access->pf_control = OutControl;
+ access->pf_seek = OutSeek;
+ access->p_sys = sys;
+
+ return VLC_SUCCESS;
+
+error:
+ free(sys);
+ return VLC_EGENERIC;
+}
void CloseAvio(vlc_object_t *object)
{
access_t *access = (access_t*)object;
access_sys_t *sys = access->p_sys;
- url_close(sys->context);
-
- SetupAvio(NULL);
+#if LIBAVFORMAT_VERSION_MAJOR < 54
+ SetupAvioCb(NULL);
+#endif
+ avio_close(sys->context);
free(sys);
}
+void OutCloseAvio(vlc_object_t *object)
+{
+ sout_access_out_t *access = (sout_access_out_t*)object;
+ sout_access_out_sys_t *sys = access->p_sys;
+
+#if LIBAVFORMAT_VERSION_MAJOR < 54
+ SetupAvioCb(NULL);
+#endif
+
+ avio_close(sys->context);
+ free(sys);
+}
static ssize_t Read(access_t *access, uint8_t *data, size_t size)
{
- /* FIXME I am unsure of the meaning of the return value in case
- * of error.
- */
- int r = url_read(access->p_sys->context, data, size);
- access->info.b_eof = r <= 0;
- if (r < 0)
- return -1;
- access->info.i_pos += r;
+ int r = avio_read(access->p_sys->context, data, size);
+ if (r > 0)
+ access->info.i_pos += r;
+ else
+ access->info.b_eof = true;
return r;
}
+/*****************************************************************************
+ * Write:
+ *****************************************************************************/
+static ssize_t Write(sout_access_out_t *p_access, block_t *p_buffer)
+{
+ access_sys_t *p_sys = (access_sys_t*)p_access->p_sys;
+ size_t i_write = 0;
+
+ while (p_buffer != NULL) {
+ block_t *p_next = p_buffer->p_next;
+
+#if LIBAVFORMAT_VERSION_MAJOR < 54
+ int written = url_write(p_sys->context, p_buffer->p_buffer, p_buffer->i_buffer);
+ if (written < 0) {
+ errno = AVUNERROR(written);
+ goto error;
+ }
+ i_write += written;
+#else
+ avio_write(p_sys->context, p_buffer->p_buffer, p_buffer->i_buffer);
+ avio_flush(p_sys->context);
+ if (p_sys->context->error) {
+ errno = AVUNERROR(p_sys->context->error);
+ p_sys->context->error = 0; /* FIXME? */
+ goto error;
+ }
+ i_write += p_buffer->i_buffer;
+#endif
+
+ block_Release(p_buffer);
+
+ p_buffer = p_next;
+ }
+
+ return i_write;
+
+error:
+ msg_Err(p_access, "Wrote only %zu bytes (%m)", i_write);
+ block_ChainRelease( p_buffer );
+ return i_write;
+}
static int Seek(access_t *access, uint64_t position)
{
access_sys_t *sys = access->p_sys;
+ int ret;
+
+#ifndef EOVERFLOW
+# define EOVERFLOW EFBIG
+#endif
- if (position > INT64_MAX ||
- url_seek(sys->context, position, SEEK_SET) < 0) {
- msg_Err(access, "Seek to %"PRIu64" failed\n", position);
+ if (position > INT64_MAX)
+ ret = AVERROR(EOVERFLOW);
+ else
+ ret = avio_seek(sys->context, position, SEEK_SET);
+ if (ret < 0) {
+ errno = AVUNERROR(ret);
+ msg_Err(access, "Seek to %"PRIu64" failed: %m", position);
if (access->info.i_size <= 0 || position != access->info.i_size)
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
+static int OutSeek(sout_access_out_t *p_access, off_t i_pos)
+{
+ sout_access_out_sys_t *sys = p_access->p_sys;
+
+ if (avio_seek(sys->context, i_pos, SEEK_SET) < 0)
+ return VLC_EGENERIC;
+ return VLC_SUCCESS;
+}
+
+static int OutControl(sout_access_out_t *p_access, int i_query, va_list args)
+{
+ sout_access_out_sys_t *p_sys = p_access->p_sys;
+
+ VLC_UNUSED(p_sys);
+ switch (i_query) {
+ case ACCESS_OUT_CONTROLS_PACE: {
+ bool *pb = va_arg(args, bool *);
+ //*pb = strcmp(p_access->psz_access, "stream");
+ *pb = false;
+ break;
+ }
+
+ default:
+ return VLC_EGENERIC;
+ }
+ return VLC_SUCCESS;
+}
static int Control(access_t *access, int query, va_list args)
{
access_sys_t *sys = access->p_sys;
+ bool *b;
switch (query) {
case ACCESS_CAN_SEEK:
- case ACCESS_CAN_FASTSEEK: { /* FIXME how to do that ? */
- bool *b = va_arg(args, bool *);
+ case ACCESS_CAN_FASTSEEK: /* FIXME how to do that ? */
+ b = va_arg(args, bool *);
+#if LIBAVFORMAT_VERSION_MAJOR < 54
*b = !sys->context->is_streamed;
+#else
+ *b = sys->context->seekable;
+#endif
return VLC_SUCCESS;
- }
- case ACCESS_CAN_PAUSE: {
- bool *b = va_arg(args, bool *);
- *b = sys->context->prot->url_read_pause != NULL; /* FIXME Unsure */
+ case ACCESS_CAN_PAUSE:
+ b = va_arg(args, bool *);
+#if LIBAVFORMAT_VERSION_MAJOR < 54
+ *b = sys->context->prot->url_read_pause != NULL;
+#else
+ *b = sys->context->read_pause != NULL;
+#endif
return VLC_SUCCESS;
- }
- case ACCESS_CAN_CONTROL_PACE: {
- bool *b = va_arg(args, bool *);
+ case ACCESS_CAN_CONTROL_PACE:
+ b = va_arg(args, bool *);
*b = true; /* FIXME */
return VLC_SUCCESS;
- }
case ACCESS_GET_PTS_DELAY: {
int64_t *delay = va_arg(args, int64_t *);
*delay = DEFAULT_PTS_DELAY; /* FIXME */
+ return VLC_SUCCESS;
}
case ACCESS_SET_PAUSE_STATE: {
bool is_paused = va_arg(args, int);
- if (av_url_read_pause(sys->context, is_paused)< 0)
+ if (avio_pause(sys->context, is_paused)< 0)
return VLC_EGENERIC;
return VLC_SUCCESS;
}
return VLC_EGENERIC;
}
}
-
-/* */
-static vlc_mutex_t avio_lock = VLC_STATIC_MUTEX;
-static access_t *current_access = NULL;
-
-
-static int UrlInterruptCallback(void)
-{
- assert(current_access);
- return !vlc_object_alive(current_access);
-}
-
-
-static int SetupAvio(access_t *access)
-{
- vlc_mutex_lock(&avio_lock);
- assert(!access != !current_access);
- if (access && current_access) {
- vlc_mutex_unlock(&avio_lock);
- return VLC_EGENERIC;
- }
- url_set_interrupt_cb(access ? UrlInterruptCallback : NULL);
- current_access = access;
- vlc_mutex_unlock(&avio_lock);
-
- return VLC_SUCCESS;
-}
-
projects / vlc / blobdiff