#include "ttsd_data.h"
#include "ttsd_dbus.h"
+#include "tts_internal.h"
+#include "ttsd_server.h"
+
/*
* Internal data structure
*/
typedef struct {
int uid; /** client id */
- app_state_e state; /** client state */
+ app_tts_state_e state; /** client state */
/* Current utterance information */
ttse_result_event_e event; /** event of last utterance */
} player_s;
#define SOUND_BUFFER_LENGTH 2048
+#define FOCUS_SERVER_READY "/tmp/.sound_server_ready"
/** player init info */
static bool g_player_init = false;
static sound_stream_info_h g_stream_info_h;
+static int g_focus_watch_id;
/*
* Internal Interfaces
*/
void __player_focus_state_cb(sound_stream_info_h stream_info, sound_stream_focus_mask_e focus_mask, sound_stream_focus_state_e focus_state,
sound_stream_focus_change_reason_e reason_for_change, int sound_behavior, const char *extra_info, void *user_data)
{
- SLOG(LOG_DEBUG, tts_tag(), "===== Focus state changed cb");
+ SLOG(LOG_DEBUG, tts_tag(), "@@@ Focus state changed cb");
if (stream_info != g_stream_info_h) {
SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Invalid stream info handle");
return;
}
- SLOG(LOG_WARN, tts_tag(), "[Player] focus state changed to (%d) with reason(%d)", (int)focus_state, (int)reason_for_change);
+ SLOG(LOG_WARN, tts_tag(), "[Player] focus state changed to (%d) with reason(%d) and extra info(%s)", (int)focus_state, (int)reason_for_change, extra_info);
if (AUDIO_STATE_PLAY == g_audio_state && focus_mask == SOUND_STREAM_FOCUS_FOR_PLAYBACK && SOUND_STREAM_FOCUS_STATE_RELEASED == focus_state) {
if (TTSD_MODE_DEFAULT == ttsd_get_mode()) {
return;
}
- g_playing_info->state = APP_STATE_PAUSED;
ttsd_data_set_client_state(uid, APP_STATE_PAUSED);
int pid = ttsd_data_get_pid(uid);
/* send message to client about changing state */
}
}
- SLOG(LOG_DEBUG, tts_tag(), "=====");
- SLOG(LOG_DEBUG, tts_tag(), "");
+/* if (AUDIO_STATE_READY == g_audio_state && focus_mask == SOUND_STREAM_FOCUS_FOR_PLAYBACK && SOUND_STREAM_FOCUS_STATE_ACQUIRED == focus_state) {
+ if (TTSD_MODE_DEFAULT == ttsd_get_mode()) {
+ g_audio_state = AUDIO_STATE_PLAY;
+
+ if (NULL == g_playing_info) {
+ SLOG(LOG_WARN, tts_tag(), "[Player WARNING] No current player");
+ return;
+ }
+
+ if (APP_STATE_PAUSED == g_playing_info->state) {
+ int uid = g_playing_info->uid;
+
+ g_audio_state = AUDIO_STATE_PLAY;
+ if (0 != ttsd_player_resume(uid)) {
+ SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to resume the player");
+ g_audio_state = AUDIO_STATE_READY;
+ return;
+ }
+
+ ttsd_data_set_client_state(uid, APP_STATE_PLAYING);
+ int pid = ttsd_data_get_pid(uid);
+ ttsdc_send_set_state_message(pid, uid, APP_STATE_PLAYING);
+ }
+
+ } else {
+ SLOG(LOG_DEBUG, tts_tag(), "[Player] Ignore focus state cb - mode(%d)", ttsd_get_mode());
+ }
+ }
+*/
+ SLOG(LOG_DEBUG, tts_tag(), "@@@");
+
+ return;
+}
+
+void __player_focus_state_watch_cb(int id, sound_stream_focus_mask_e focus_mask, sound_stream_focus_state_e focus_state, sound_stream_focus_change_reason_e reason,
+ const char *extra_info, void *user_data)
+{
+ SLOG(LOG_DEBUG, tts_tag(), "@@@ Focus state watch cb");
+
+ ttsd_mode_e mode = ttsd_get_mode();
+
+ if (TTSD_MODE_SCREEN_READER != mode && TTSD_MODE_NOTIFICATION != mode) {
+ SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] This is not screen-reader mode and notification mode.");
+ return;
+ }
+
+ if (AUDIO_STATE_PLAY == g_audio_state && SOUND_STREAM_FOCUS_CHANGED_BY_VOICE_INFORMATION == reason &&
+ NULL != extra_info && 0 == strncmp(extra_info, "TTSD_MODE_INTERRUPT", strlen(extra_info))) {
+ /* If the focus is changed by "Interrupt" mode and current players of "SR" and "Noti" modes are on going, please stop the current players. */
+ g_audio_state = AUDIO_STATE_READY;
+
+ if (NULL == g_playing_info) {
+ SLOG(LOG_WARN, tts_tag(), "[Player WARNING] No current player");
+ return;
+ }
+
+ if (APP_STATE_PLAYING == g_playing_info->state) {
+ int uid = g_playing_info->uid;
+
+ if (0 != ttsd_server_stop(uid)) {
+ SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to stop TTS server");
+ return;
+ }
+ if (0 != ttsd_player_stop(uid)) {
+ SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to stop the player");
+ return;
+ }
+
+ ttsd_data_set_client_state(uid, APP_STATE_READY);
+ int pid = ttsd_data_get_pid(uid);
+ /* send message to client about changing state */
+ ttsdc_send_set_state_message(pid, uid, APP_STATE_READY);
+ } else {
+ SLOG(LOG_DEBUG, tts_tag(), "[Player] Not playing state");
+ }
+ } else {
+ SLOG(LOG_DEBUG, tts_tag(), "[Player] This is not Interrupt mode or not playing state.");
+ }
return;
}
static void __end_play_thread(void *data, Ecore_Thread *thread)
{
- SLOG(LOG_ERROR, tts_tag(), "===== End thread");
+ SLOG(LOG_ERROR, tts_tag(), "@@@ End thread");
}
static void __set_policy_for_playing(int volume)
{
/* Set stream info */
int ret;
- if (TTSD_MODE_DEFAULT == ttsd_get_mode()) {
+ ttsd_mode_e mode = ttsd_get_mode();
+ if (TTSD_MODE_DEFAULT == mode) {
ret = sound_manager_acquire_focus(g_stream_info_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
if (SOUND_MANAGER_ERROR_NONE != ret) {
SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to acquire focus");
+ } else {
+ SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] Success to acquire focus (default mode)");
+ }
+ } else if (TTSD_MODE_INTERRUPT == mode) {
+ ret = sound_manager_acquire_focus(g_stream_info_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, "TTSD_MODE_INTERRUPT");
+ if (SOUND_MANAGER_ERROR_NONE != ret) {
+ SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to acquire focus");
+ } else {
+ SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] Success to acquire focus (interrupt mode)");
}
}
+
ret = audio_out_set_sound_stream_info(g_audio_h, g_stream_info_h);
if (AUDIO_IO_ERROR_NONE != ret) {
SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to set stream info");
}
+ SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] set policy for playing");
+
return;
}
static void __unset_policy_for_playing()
{
int ret;
+ ttsd_mode_e mode = ttsd_get_mode();
/* Unset stream info */
- if (TTSD_MODE_DEFAULT == ttsd_get_mode()) {
+ if (TTSD_MODE_DEFAULT == mode || TTSD_MODE_INTERRUPT == mode) {
sound_stream_focus_state_e state_for_playing = SOUND_STREAM_FOCUS_STATE_ACQUIRED;
ret = sound_manager_get_focus_state(g_stream_info_h, &state_for_playing, NULL);
if (SOUND_MANAGER_ERROR_NONE != ret) {
}
if (SOUND_STREAM_FOCUS_STATE_ACQUIRED == state_for_playing) {
- ret = sound_manager_release_focus(g_stream_info_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
+ if (TTSD_MODE_DEFAULT == mode || TTSD_MODE_INTERRUPT == mode) {
+ ret = sound_manager_release_focus(g_stream_info_h, SOUND_STREAM_FOCUS_FOR_PLAYBACK, SOUND_BEHAVIOR_NONE, NULL);
+ SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] release focus (mode: %d)", mode);
+ }
+
if (SOUND_MANAGER_ERROR_NONE != ret) {
SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to release focus");
}
}
}
+ SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] unset policy for playing");
+
return;
}
+int ttsd_player_check_current_playback_focus(bool *is_current_interrupt)
+{
+ int ret;
+ ttsd_mode_e mode = ttsd_get_mode();
+
+ if (TTSD_MODE_INTERRUPT != mode) {
+ /* check the current playback focus */
+ sound_stream_focus_change_reason_e reason;
+ int sound_behavior = 0;
+ char *extra_info = NULL;
+
+ ret = sound_manager_get_current_playback_focus(&reason, &sound_behavior, &extra_info);
+
+ if (SOUND_MANAGER_ERROR_NONE == ret && NULL != extra_info) {
+ if (SOUND_STREAM_FOCUS_CHANGED_BY_VOICE_INFORMATION == reason && 0 == strncmp(extra_info, "TTSD_MODE_INTERRUPT", strlen(extra_info))) {
+ SLOG(LOG_DEBUG, tts_tag(), "[Player] The current focus in Interrupt. Cannot play the requested sound data");
+ *is_current_interrupt = true;
+
+ free(extra_info);
+ extra_info = NULL;
+
+ return TTSD_ERROR_NONE;
+ }
+ }
+
+ if (NULL != extra_info) {
+ free(extra_info);
+ extra_info = NULL;
+ }
+ }
+
+ *is_current_interrupt = false;
+
+ return TTSD_ERROR_NONE;
+}
+
static void __play_thread(void *data, Ecore_Thread *thread)
{
- SLOG(LOG_DEBUG, tts_tag(), "===== Start thread");
+ SLOG(LOG_DEBUG, tts_tag(), "@@@ Start thread");
if (NULL == g_playing_info) {
SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] No current player");
usleep(10000);
if (NULL == g_playing_info) {
/* current playing uid is replaced */
- SLOG(LOG_DEBUG, tts_tag(), "[Player] Finish thread");
+ SLOG(LOG_INFO, tts_tag(), "[Player] Finish thread");
return;
} else if (0 < ttsd_data_get_sound_data_size(player->uid)) {
/* new audio data come */
- SLOG(LOG_DEBUG, tts_tag(), "[Player] Resume thread");
+ SLOG(LOG_INFO, tts_tag(), "[Player] Resume thread");
break;
}
}
+ SLOG(LOG_INFO, tts_tag(), "[Player] Finish to wait for new audio data come");
+
/* set volume policy as 40%, when resume play thread*/
__set_policy_for_playing(40);
SLOG(LOG_WARN, tts_tag(), "[Send WARNIING] Current player is not valid");
/* unset volume policy, volume will be 100% */
__unset_policy_for_playing();
+
+ if (NULL != sound_data->data) {
+ free(sound_data->data);
+ sound_data->data = NULL;
+ }
+ free(sound_data);
+ sound_data = NULL;
return;
}
SLOG(LOG_ERROR, tts_tag(), "[Send ERROR] Fail to send Utterance Start Signal : pid(%d), uid(%d), uttid(%d)",
pid, player->uid, sound_data->utt_id);
}
- SLOG(LOG_DEBUG, tts_tag(), "[Player] Start utterance : uid(%d), uttid(%d)", player->uid, sound_data->utt_id);
+ SLOG(LOG_INFO, tts_tag(), "[Player] Start utterance : uid(%d), uttid(%d)", player->uid, sound_data->utt_id);
}
/* Save last event to check utterance start */
SLOG(LOG_WARN, tts_tag(), "[Send WARNIING] Current player is not valid");
/* unset volume policy, volume will be 100% */
__unset_policy_for_playing();
+ if (NULL != sound_data->data) {
+ free(sound_data->data);
+ sound_data->data = NULL;
+ }
+ free(sound_data);
+ sound_data = NULL;
return;
}
if (0 != ttsdc_send_utt_finish_message(pid, player->uid, sound_data->utt_id)) {
pid, player->uid, sound_data->utt_id);
}
}
- SLOG(LOG_DEBUG, tts_tag(), "[Player] Finish utterance : uid(%d), uttid(%d)", player->uid, sound_data->utt_id);
+ SLOG(LOG_INFO, tts_tag(), "[Player] Finish utterance : uid(%d), uttid(%d)", player->uid, sound_data->utt_id);
+ if (NULL != sound_data->data) {
+ free(sound_data->data);
+ sound_data->data = NULL;
+ }
+ free(sound_data);
+ sound_data = NULL;
continue;
}
}
SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Fail to create audio out");
/* unset volume policy, volume will be 100% */
__unset_policy_for_playing();
+
+ if (NULL != sound_data->data) {
+ free(sound_data->data);
+ sound_data->data = NULL;
+ }
+ free(sound_data);
+ sound_data = NULL;
+
return;
}
+
__set_policy_for_playing(40);
}
g_playing_info = NULL;
/* unset volume policy, volume will be 100% */
__unset_policy_for_playing();
+
+ if (NULL != sound_data->data) {
+ free(sound_data->data);
+ sound_data->data = NULL;
+ }
+
+ free(sound_data);
+ sound_data = NULL;
+
return;
}
SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Prepare audio");
player->idx = idx;
g_audio_state = AUDIO_STATE_READY;
- SLOG(LOG_DEBUG, tts_tag(), "[Player] Stop player thread by pause");
+ SLOG(LOG_INFO, tts_tag(), "[Player] Stop player thread by pause");
/* Request prepare */
ret = audio_out_unprepare(g_audio_h);
SLOG(LOG_WARN, tts_tag(), "[Send WARNIING] Current player is not valid");
/* unset volume policy, volume will be 100% */
__unset_policy_for_playing();
+ if (NULL != sound_data->data) {
+ free(sound_data->data);
+ sound_data->data = NULL;
+ }
+
+ free(sound_data);
+ sound_data = NULL;
return;
}
pid, player->uid, sound_data->utt_id);
/* unset volume policy, volume will be 100% */
__unset_policy_for_playing();
+ if (NULL != sound_data->data) {
+ free(sound_data->data);
+ sound_data->data = NULL;
+ }
+
+ free(sound_data);
+ sound_data = NULL;
return;
}
- SLOG(LOG_DEBUG, tts_tag(), "[Player] Finish utterance : uid(%d), uttid(%d)", player->uid, sound_data->utt_id);
+ SLOG(LOG_INFO, tts_tag(), "[Player] Finish utterance : uid(%d), uttid(%d)", player->uid, sound_data->utt_id);
}
if (NULL != sound_data) {
ecore_thread_max_set(1);
+ int cnt = 0;
+ while (1) {
+ if (0 == access(FOCUS_SERVER_READY, F_OK)) {
+ SLOG(LOG_ERROR, tts_tag(), "[Player SUCCESS] focus server is available");
+ break;
+ } else {
+ if (0 == cnt++ % 10)
+ SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] focus server is not available");
+ usleep(50000);
+ }
+ }
+
ret = sound_manager_create_stream_information(SOUND_STREAM_TYPE_VOICE_INFORMATION, __player_focus_state_cb, NULL, &g_stream_info_h);
if (SOUND_MANAGER_ERROR_NONE != ret) {
SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Fail to create stream info");
SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Create stream info");
}
+ /* add sound focus state watch callback */
+ ret = sound_manager_add_focus_state_watch_cb(SOUND_STREAM_FOCUS_FOR_PLAYBACK, __player_focus_state_watch_cb, NULL, &g_focus_watch_id);
+ if (SOUND_MANAGER_ERROR_NONE != ret) {
+ SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Fail to add sound focus watch callback");
+ sound_manager_destroy_stream_information(g_stream_info_h);
+ return -1;
+ } else {
+ SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Add sound focus watch callback");
+ }
+
ecore_thread_max_set(1);
ret = __create_audio_out(TTSE_AUDIO_TYPE_RAW_S16, 16000);
- if (0 != ret)
+ if (0 != ret) {
+ sound_manager_destroy_stream_information(g_stream_info_h);
+ sound_manager_remove_focus_state_watch_cb(g_focus_watch_id);
return -1;
+ }
g_player_init = true;
int ret;
- SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] ==========================");
+ SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] @@@@@");
SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] Active thread count : %d", ecore_thread_active_get());
- SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] ==========================");
+ SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] @@@@@");
/* The thread should be released */
int thread_count = ecore_thread_active_get();
SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Destroy stream info");
}
+ /* remove focus state watch callback */
+ ret = sound_manager_remove_focus_state_watch_cb(g_focus_watch_id);
+ if (SOUND_MANAGER_ERROR_NONE != ret) {
+ SLOG(LOG_WARN, tts_tag(), "[Player WARNING] Fail to remove the focus state watch cb");
+ } else {
+ SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Remove the focus state watch cb");
+ }
+
/* clear g_player_list */
g_playing_info = NULL;
g_player_init = false;
g_playing_info = current;
- SLOG(LOG_DEBUG, tts_tag(), "[Player DEBUG] Active thread count : %d", ecore_thread_active_get());
+ SLOG(LOG_INFO, tts_tag(), "[Player DEBUG] Active thread count : %d", ecore_thread_active_get());
if (0 < ttsd_data_get_sound_data_size(current->uid)) {
- SLOG(LOG_DEBUG, tts_tag(), "[Player] Run thread");
+ SLOG(LOG_INFO, tts_tag(), "[Player] Run thread");
ecore_thread_run(__play_thread, __end_play_thread, NULL, NULL);
}
current->idx = 0;
if (NULL == g_playing_info) {
- SLOG(LOG_DEBUG, tts_tag(), "[Player] ==========================");
+ SLOG(LOG_DEBUG, tts_tag(), "[Player] @@@@@");
SLOG(LOG_ERROR, tts_tag(), "[Player] Active thread count : %d", ecore_thread_active_get());
- SLOG(LOG_DEBUG, tts_tag(), "[Player] ==========================");
+ SLOG(LOG_DEBUG, tts_tag(), "[Player] @@@@@");
/* The thread should be released */
int thread_count = ecore_thread_active_get();
thread_count = ecore_thread_active_get();
}
- SLOG(LOG_DEBUG, tts_tag(), "[Player] ==========================");
+ SLOG(LOG_DEBUG, tts_tag(), "[Player] @@@@@");
SLOG(LOG_ERROR, tts_tag(), "[Player] Active thread count : %d", ecore_thread_active_get());
- SLOG(LOG_DEBUG, tts_tag(), "[Player] ==========================");
+ SLOG(LOG_DEBUG, tts_tag(), "[Player] @@@@@");
}
- SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Stop player : uid(%d)", uid);
+ SLOG(LOG_INFO, tts_tag(), "[Player SUCCESS] Stop player : uid(%d)", uid);
return 0;
}
}
current->state = APP_STATE_PAUSED;
-
- SLOG(LOG_DEBUG, tts_tag(), "[Player] ==========================");
+
+ SLOG(LOG_DEBUG, tts_tag(), "[Player] @@@@@");
SLOG(LOG_ERROR, tts_tag(), "[Player] Active thread count : %d", ecore_thread_active_get());
- SLOG(LOG_DEBUG, tts_tag(), "[Player] ==========================");
+ SLOG(LOG_DEBUG, tts_tag(), "[Player] @@@@@");
/* The thread should be released */
int thread_count = ecore_thread_active_get();
thread_count = ecore_thread_active_get();
}
- SLOG(LOG_DEBUG, tts_tag(), "[Player] ==========================");
+ SLOG(LOG_DEBUG, tts_tag(), "[Player] @@@@@");
SLOG(LOG_ERROR, tts_tag(), "[Player] Active thread count : %d", ecore_thread_active_get());
- SLOG(LOG_DEBUG, tts_tag(), "[Player] ==========================");
+ SLOG(LOG_DEBUG, tts_tag(), "[Player] @@@@@");
SLOG(LOG_DEBUG, tts_tag(), "[Player SUCCESS] Pause player : uid(%d)", uid);
current->state = APP_STATE_PLAYING;
g_playing_info = current;
- SLOG(LOG_DEBUG, tts_tag(), "[Player] Run thread");
+ SLOG(LOG_INFO, tts_tag(), "[Player] Resume to run thread");
ecore_thread_run(__play_thread, __end_play_thread, NULL, NULL);
return 0;
/* Get handle data from list */
data = (player_s*)iter->data;
- app_state_e state;
+ app_tts_state_e state;
if (0 > ttsd_data_get_client_state(data->uid, &state)) {
SLOG(LOG_ERROR, tts_tag(), "[player ERROR] uid(%d) is not valid", data->uid);
ttsd_player_destroy_instance(data->uid);
return 0;
}
+
+int ttsd_player_play_pcm(int uid)
+{
+ if (false == g_player_init) {
+ SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] Not Initialized");
+ return -1;
+ }
+
+ if (NULL != g_playing_info) {
+ if (uid == g_playing_info->uid) {
+ SLOG(LOG_DEBUG, tts_tag(), "[Player] uid(%d) has already played", g_playing_info->uid);
+ return 0;
+ } else {
+ SLOG(LOG_WARN, tts_tag(), "[Player WARNING] stop old player (%d)", g_playing_info->uid);
+ ttsd_player_stop(g_playing_info->uid);
+ }
+ }
+
+ SLOG(LOG_DEBUG, tts_tag(), "[Player] start play : uid(%d)", uid);
+
+ /* Check sound queue size */
+ if (0 == ttsd_data_get_sound_data_size(uid)) {
+ SLOG(LOG_WARN, tts_tag(), "[Player WARNING] A sound queue of current player(%d) is empty", uid);
+ }
+
+ /* Check uid */
+ player_s* current;
+ current = __player_get_item(uid);
+ if (NULL == current) {
+ SLOG(LOG_ERROR, tts_tag(), "[Player ERROR] uid(%d) is not valid", uid);
+ return -1;
+ }
+
+ current->state = APP_STATE_PLAYING;
+
+ g_playing_info = current;
+
+ SLOG(LOG_INFO, tts_tag(), "[Player DEBUG] Active thread count : %d", ecore_thread_active_get());
+
+ if (0 <= ttsd_data_get_sound_data_size(current->uid)) {
+ SLOG(LOG_INFO, tts_tag(), "[Player] Run thread");
+ ecore_thread_run(__play_thread, __end_play_thread, NULL, NULL);
+ }
+
+ return 0;
+}
+
projects / platform / core / uifw / tts.git / blobdiff