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FS-7517: use start and end bits

This commit is contained in:
Anthony Minessale 2014-12-09 18:15:53 -06:00 committed by Michael Jerris
parent f5346bfe80
commit 753f49fe32
2 changed files with 45 additions and 4 deletions
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18
src/mod/applications/mod_av/mod_av.c
View File

@ -235,9 +235,25 @@ static void buffer_h264_nalu(h264_codec_context_t *context, switch_frame_t *fram
if ((nalu_type == 7 || nalu_type == 8) && frame->m) frame->m = SWITCH_FALSE;
if (nalu_type == 28) { // 0x1c FU-A
int start = *(data + 1) & 0x80;
int end = *(data + 1) & 0x40;
nalu_type = *(data + 1) & 0x1f;
if (context->nalu_28_start == 0) {
if (start && end) return;
if (start) {
if (context->nalu_28_start) {
context->nalu_28_start = 0;
switch_buffer_zero(buffer);
}
} else if (end) {
context->nalu_28_start = 0;
} else if (!context->nalu_28_start) {
return;
}
if (start) {
uint8_t nalu_idc = (nalu_hdr & 0x60) >> 5;
nalu_type |= (nalu_idc << 5);

31
src/mod/codecs/mod_openh264/mod_openh264.cpp
View File

@ -167,6 +167,8 @@ static switch_size_t buffer_h264_nalu(h264_codec_context_t *context, switch_fram
return 0;
}
//switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "XXX GOT %d\n", nalu_type);
if (!context->got_sps) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Found SPS/PPS\n");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "=========================================================================================\n");
@ -177,12 +179,31 @@ static switch_size_t buffer_h264_nalu(h264_codec_context_t *context, switch_fram
if ((nalu_type == 7 || nalu_type == 8) && frame->m) frame->m = SWITCH_FALSE;
if (nalu_type == 28) { // 0x1c FU-A
int start = *(data + 1) & 0x80;
int end = *(data + 1) & 0x40;
nalu_type = *(data + 1) & 0x1f;
if (context->nalu_28_start == 0) {
uint8_t nalu_idc = (nalu_hdr & 0x60) >> 5;
nalu_type |= (nalu_idc << 5);
//switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "WTF start:%d end:%d mark:%d\n", start, end, frame->m);
if (frame->m) end = 1;
if (start && end) return 1;
if (start) {
if (context->nalu_28_start) {
context->nalu_28_start = 0;
switch_buffer_zero(buffer);
}
} else if (end) {
context->nalu_28_start = 0;
} else if (!context->nalu_28_start) {
return 0;
}
if (start) {
//uint8_t nalu_idc = (nalu_hdr & 0x60) >> 5;
nalu_type |= (nalu_idc << 5);
size = switch_buffer_write(buffer, sync_bytes, sizeof(sync_bytes));
size = switch_buffer_write(buffer, &nalu_type, 1);
context->nalu_28_start = 1;
@ -514,6 +535,10 @@ static switch_status_t switch_h264_decode(switch_codec_t *codec, switch_frame_t
size = buffer_h264_nalu(context, frame);
// switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "READ buf:%ld got_key:%d st:%d m:%d size:%" SWITCH_SIZE_T_FMT "\n", size, context->got_sps, status, frame->m, size);
if (size == 1) {
switch_goto_status(SWITCH_STATUS_RESTART, end);
}
if (frame->m && size) {
int got_picture = 0;
int i;