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[mod_opusfile] protect ogg data buff

This commit is contained in:
Dragos Oancea 2020-03-13 18:42:43 +00:00 committed by Andrey Volk
parent 37ab323c13
commit 97a0b0fbae
2 changed files with 13 additions and 5 deletions
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7
src/mod/formats/mod_opusfile/mod_opusfile.c
View File

@ -976,6 +976,7 @@ static void *SWITCH_THREAD_FUNC read_stream_thread(switch_thread_t *thread, void
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "[OGG/OPUS Stream Decode] read_stream_thread(): switch_thread_self(): 0x%lx\n", switch_thread_self());
}
switch_thread_rwlock_rdlock(context->rwlock);
switch_mutex_lock(context->ogg_mutex);
if ((buffered_ogg_bytes = switch_buffer_inuse(context->ogg_buffer))) {
if (buffered_ogg_bytes <= OGG_MAX_PAGE_SIZE) {
@ -1021,6 +1022,7 @@ static void *SWITCH_THREAD_FUNC read_stream_thread(switch_thread_t *thread, void
}
}
switch_mutex_unlock(context->ogg_mutex);
switch_thread_rwlock_unlock(context->rwlock);
return NULL;
}
@ -1071,9 +1073,9 @@ static switch_status_t switch_opusstream_decode(switch_codec_t *codec,
#endif
switch_thread_rwlock_rdlock(context->rwlock);
switch_mutex_lock(context->ogg_mutex);
memset(context->ogg_data, 0, sizeof(context->ogg_data));
if (encoded_data_len <= SWITCH_RECOMMENDED_BUFFER_SIZE) {
switch_mutex_lock(context->ogg_mutex);
switch_buffer_write(context->ogg_buffer, encode_buf, encoded_data_len);
if ((buffered_ogg_bytes = switch_buffer_inuse(context->ogg_buffer)) >= ogg_bytes) {
@ -1089,12 +1091,10 @@ static switch_status_t switch_opusstream_decode(switch_codec_t *codec,
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "[OGG/OPUS Stream Decode] buffered ogg data bigger than max OGG page size, will flush\n");
*decoded_data_len = 0;
switch_buffer_zero(context->ogg_buffer);
switch_mutex_unlock(context->ogg_mutex);
switch_goto_status(SWITCH_STATUS_SUCCESS, end);
}
}
switch_mutex_unlock(context->ogg_mutex);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "[OGG/OPUS Stream Decode] too much data to buffer, flushing buffer!\n");
*decoded_data_len = 0;
@ -1134,6 +1134,7 @@ static switch_status_t switch_opusstream_decode(switch_codec_t *codec,
end:
switch_thread_rwlock_unlock(context->rwlock);
switch_mutex_unlock(context->ogg_mutex);
return status;
}

11
src/mod/formats/mod_opusfile/test/test_opusfile.c
View File

@ -170,6 +170,7 @@ FST_CORE_BEGIN(".")
uint32_t decoded_len;
size_t write_len;
unsigned char decbuf[SWITCH_RECOMMENDED_BUFFER_SIZE] = { 0 };
switch_stream_handle_t stream = { 0 };
#ifdef HAVE_OPUSFILE_ENCODE
switch_file_handle_t fh = { 0 };
unsigned char encbuf[SWITCH_RECOMMENDED_BUFFER_SIZE] = { 0 };
@ -216,6 +217,12 @@ FST_CORE_BEGIN(".")
&codec_settings, fst_pool);
fst_check(status == SWITCH_STATUS_SUCCESS);
SWITCH_STANDARD_STREAM(stream);
switch_api_execute("opusfile_debug", "on", NULL, &stream);
switch_safe_free(stream.data);
#ifdef HAVE_OPUSFILE_ENCODE
status = switch_core_codec_init(&write_codec,
"OPUSSTREAM",
@ -277,12 +284,12 @@ FST_CORE_BEGIN(".")
fhw.native_rate = filerate;
flen = OGG_MIN_PAGE_SIZE;
flen = 4096;
while (switch_file_read(fd, &buf, &flen) == SWITCH_STATUS_SUCCESS || flen != 0) {
status = SWITCH_STATUS_SUCCESS;
while (status == SWITCH_STATUS_SUCCESS) {
status = switch_core_codec_decode(&read_codec, NULL, &buf, flen, filerate, &decbuf, &decoded_len, &rate, &flags);
fst_requires(status == SWITCH_STATUS_SUCCESS);
fst_check(status == SWITCH_STATUS_SUCCESS);
write_len = decoded_len / sizeof(int16_t);
if (write_len) switch_core_file_write(&fhw, &decbuf, &write_len);
else break;