valgrind issue for help
yvonne_cyh
1992184780 at qq.com
Fri Jun 17 09:44:11 UTC 2016
I am not so familiar with the buffer handling. Maybe the following codes related? Who cam take a moment help me to find it out.My project is blocked by it. Thanksif (gst_structure_has_field(structure, "codec_data")) { extra_data_buf = (GValue *) gst_structure_get_value(structure, "codec_data"); if (extra_data_buf) { info->configdata = gst_buffer_copy(gst_value_get_buffer(extra_data_buf)); AML_DUMP_BUFFER(info->configdata, "Audio Codec Data"); } } ==================== int extract_adts_header(StreamInfo *info,codec_para_t *pcodec, GstBuffer *buffer) { adts_header_t hdr; guint8 *p = NULL; guint8 *buf; GstMapInfo map; if (info->configdata) { gst_buffer_map(info->configdata, &map, GST_MAP_READ); p = map.data; hdr.profile = (*p >> 3) - 1; hdr.sample_freq_idx = (*p & 0x7) << 1 | (*(p + 1) >> 7); hdr.channel_configuration = (*(p + 1) & 0x7f) >> 3; gst_buffer_unmap(info->configdata, &map); } else { return 0; } hdr.syncword = 0xfff; hdr.id = 0; hdr.layer = 0; hdr.protection_absent = 1; hdr.private_bit = 0; hdr.original_copy = 0; hdr.home = 0; hdr.copyright_identification_bit = 0; hdr.copyright_identification_start = 0; hdr.aac_frame_length = 0; hdr.adts_buffer_fullness = 0x7ff; gst_buffer_map(buffer, &map, GST_MAP_WRITE); buf = map.data; if (buf) { buf[0] = (char) (hdr.syncword >> 4); buf[1] = (char) ((hdr.syncword & 0xf << 4) ; buf[2] = (char) ((hdr.profile << 6) ; buf[3] = (char) (((hdr.channel_configuration & 0x3) << 6)); buf[4] = (char) ((hdr.aac_frame_length >> 3) & 0xff); buf[5] = (char) (((hdr.aac_frame_length & 0x7) << 5); buf[6] = (char) (((hdr.adts_buffer_fullness & 0x3f) << 2); gst_buffer_unmap(buffer, &map); gst_buffer_unref(info->configdata); info->configdata = gst_buffer_copy(buffer); gst_buffer_set_size(info->configdata, ADTS_HEADER_SIZE); } else { return -1; } return 0; } ================================= gint adts_startcode(StreamInfo* info, codec_para_t *pcodec, GstBuffer *buffer) { gint8 *buf ; int i; int size = ADTS_HEADER_SIZE + gst_buffer_get_size(buffer); // 13bit valid size &= 0x1fff; guint8 *adts_header=NULL; GstBuffer *buffer1; GstMapInfo map; if (!info->configdata) { return 0; } while (buffer&&gst_buffer_get_size(buffer)>=ADTS_HEADER_SIZE) { buffer1 = gst_buffer_new_and_alloc(ADTS_HEADER_SIZE); if (buffer1) { gst_buffer_copy_into(buffer1, buffer, GST_BUFFER_COPY_DEEP, 0, ADTS_HEADER_SIZE); gst_buffer_map(buffer1, &map, GST_MAP_READ); adts_header=map.data; //gst_buffer_unmap(buffer1, &map); if (((adts_header[0] << 4) != 0xFFF) break; if (((*(adts_header + 4) & 0xFF) << 3)) break; } else break; GST_WARNING(" AAC es has adts header,don't add again"); gst_buffer_unmap(buffer1, &map); if(adts_header){ gst_buffer_unref(buffer1); buffer1=NULL; } return 0; } if(adts_header){ gst_buffer_unmap(buffer1, &map); gst_buffer_unref(buffer1); buffer1=NULL; } gst_buffer_map(info->configdata, &map, GST_MAP_WRITE); buf = map.data; if (buf!=NULL) { buf[3] = (buf[3] & 0xfc) | (size >> 11); buf[4] = (size >> 3) & 0xff; buf[5] = ((size & 0x7) << 5); if ( gst_buffer_get_size(info->configdata) == ADTS_HEADER_SIZE) { codec_write(pcodec,buf,gst_buffer_get_size(info->configdata)); } } gst_buffer_unmap(info->configdata, &map); return 0; }
[reply] [−]Comment 7
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