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FS-8093: [mod_silk] remove giant stack allocation in switch_silk_decode.

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This commit is contained in:
Michael Jerris 2015-08-28 16:35:55 -05:00
parent 7352c8c371
commit 4d16691a22
1 changed files with 6 additions and 6 deletions
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12
src/mod/codecs/mod_silk/mod_silk.c
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@ -62,6 +62,8 @@ struct silk_context {
SKP_SILK_SDK_DecControlStruct decoder_object; SKP_SILK_SDK_DecControlStruct decoder_object;
void *enc_state; void *enc_state;
void *dec_state; void *dec_state;
SKP_uint8 recbuff[STFU_DATALEN];
SKP_int16 reclen;
}; };
static switch_status_t switch_silk_fmtp_parse(const char *fmtp, switch_codec_fmtp_t *codec_fmtp) static switch_status_t switch_silk_fmtp_parse(const char *fmtp, switch_codec_fmtp_t *codec_fmtp)
@ -329,8 +331,6 @@ static switch_status_t switch_silk_decode(switch_codec_t *codec,
SKP_int lost_flag = (*flag & SFF_PLC); SKP_int lost_flag = (*flag & SFF_PLC);
stfu_frame_t *next_frame = NULL; stfu_frame_t *next_frame = NULL;
SKP_uint8 recbuff[STFU_DATALEN];
SKP_int16 reclen;
int32_t found_frame; int32_t found_frame;
switch_bool_t did_lbrr = SWITCH_FALSE; switch_bool_t did_lbrr = SWITCH_FALSE;
int i; int i;
@ -349,11 +349,11 @@ static switch_status_t switch_silk_decode(switch_codec_t *codec,
found_frame = stfu_n_peek_frame(jb, (uint32_t)codec->cur_frame->timestamp, codec->cur_frame->seq, (uint16_t)i, &next_frame); found_frame = stfu_n_peek_frame(jb, (uint32_t)codec->cur_frame->timestamp, codec->cur_frame->seq, (uint16_t)i, &next_frame);
if (found_frame) { if (found_frame) {
SKP_Silk_SDK_search_for_LBRR(next_frame->data, (const int)next_frame->dlen, i, (SKP_uint8*) &recbuff, &reclen); SKP_Silk_SDK_search_for_LBRR(next_frame->data, (const int)next_frame->dlen, i, (SKP_uint8*) &context->recbuff, &context->reclen);
if (reclen) { if (context->reclen) {
encoded_data = &recbuff; encoded_data = &context->recbuff;
encoded_data_len = reclen; encoded_data_len = context->reclen;
lost_flag = SKP_FALSE; lost_flag = SKP_FALSE;
did_lbrr = SWITCH_TRUE; did_lbrr = SWITCH_TRUE;
break; break;