GF_Err MCFrame_GetPlane(GF_MediaDecoderFrame *frame, u32 plane_idx, const char **outPlane, u32 *outStride)
{
GF_Err e;
MC_Frame *f = (MC_Frame *)frame->user_data;
int color;
if (! outPlane || !outStride) return GF_BAD_PARAM;
*outPlane = NULL;
*outStride = 0;
f->ctx->format = AMediaCodec_getOutputFormat(f->ctx->codec);
AMediaFormat_getInt32(f->ctx->format, AMEDIAFORMAT_KEY_STRIDE, outStride);
switch(plane_idx) {
case 0 :
*outPlane = f->frame ;
break;
case 1 :
*outPlane = f->frame + *outStride * f->ctx->height ;
*outStride/=2;
break;
case 2:
*outPlane = f->frame + 5 * *outStride * f->ctx->height/4 ;
*outStride/=2;
break;
default :
return GF_BAD_PARAM;
}
return GF_OK;
}
static void dec_process(MSFilter *f){
DecData *d=(DecData*)f->data;
MSPicture pic = {0};
mblk_t *im,*om = NULL;
ssize_t oBufidx = -1;
size_t bufsize;
bool_t need_reinit=FALSE;
bool_t request_pli=FALSE;
MSQueue nalus;
AMediaCodecBufferInfo info;
ms_queue_init(&nalus);
while((im=ms_queue_get(f->inputs[0]))!=NULL){
if (d->packet_num==0 && d->sps && d->pps){
mblk_set_timestamp_info(d->sps,mblk_get_timestamp_info(im));
mblk_set_timestamp_info(d->pps,mblk_get_timestamp_info(im));
rfc3984_unpack(&d->unpacker, d->sps, &nalus);
rfc3984_unpack(&d->unpacker, d->pps, &nalus);
d->sps=NULL;
d->pps=NULL;
}
if(rfc3984_unpack(&d->unpacker,im,&nalus) <0){
request_pli=TRUE;
}
if (!ms_queue_empty(&nalus)){
int size;
uint8_t *buf=NULL;
ssize_t iBufidx;
size=nalusToFrame(d,&nalus,&need_reinit);
if (need_reinit) {
//In case of rotation, the decoder needs to flushed in order to restart with the new video size
AMediaCodec_flush(d->codec);
d->first_buffer_queued = FALSE;
}
/*First put our H264 bitstream into the decoder*/
iBufidx = AMediaCodec_dequeueInputBuffer(d->codec, TIMEOUT_US);
if (iBufidx >= 0) {
buf = AMediaCodec_getInputBuffer(d->codec, iBufidx, &bufsize);
if(buf == NULL) {
ms_error("MSMediaCodecH264Dec: AMediaCodec_getInputBuffer() returned NULL");
break;
}
if((size_t)size > bufsize) {
ms_error("Cannot copy the bitstream into the input buffer size : %i and bufsize %i",size,(int) bufsize);
break;
} else {
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
memcpy(buf,d->bitstream,(size_t)size);
AMediaCodec_queueInputBuffer(d->codec, iBufidx, 0, (size_t)size, (ts.tv_nsec/1000) + 10000LL, 0);
d->first_buffer_queued = TRUE;
}
}else if (iBufidx == AMEDIA_ERROR_UNKNOWN){
ms_error("MSMediaCodecH264Dec: AMediaCodec_dequeueInputBuffer() had an exception");
}
}
d->packet_num++;
if (d->sps && d->pps) request_pli = FALSE;
else request_pli = TRUE;
}
/*secondly try to get decoded frames from the decoder, this is performed every tick*/
while (d->first_buffer_queued && (oBufidx = AMediaCodec_dequeueOutputBuffer(d->codec, &info, TIMEOUT_US)) >= 0){
AMediaFormat *format;
int width = 0, height = 0, color = 0;
uint8_t *buf = AMediaCodec_getOutputBuffer(d->codec, oBufidx, &bufsize);
if(buf == NULL){
ms_filter_notify_no_arg(f,MS_VIDEO_DECODER_DECODING_ERRORS);
ms_error("MSMediaCodecH264Dec: AMediaCodec_getOutputBuffer() returned NULL");
}
format = AMediaCodec_getOutputFormat(d->codec);
if(format != NULL){
AMediaFormat_getInt32(format, "width", &width);
AMediaFormat_getInt32(format, "height", &height);
AMediaFormat_getInt32(format, "color-format", &color);
d->vsize.width=width;
d->vsize.height=height;
AMediaFormat_delete(format);
}
if(buf != NULL && d->sps && d->pps){ /*some decoders output garbage while no sps or pps have been received yet !*/
if(width != 0 && height != 0 ){
if(color == 19) {
//YUV
int ysize = width*height;
int usize = ysize/4;
om = ms_yuv_buf_allocator_get(d->buf_allocator,&pic,width,height);
memcpy(pic.planes[0],buf,ysize);
memcpy(pic.planes[1],buf+ysize,usize);
memcpy(pic.planes[2],buf+ysize+usize,usize);
} else {
uint8_t* cbcr_src = (uint8_t*) (buf + width * height);
om = copy_ycbcrbiplanar_to_true_yuv_with_rotation_and_down_scale_by_2(d->buf_allocator, buf, cbcr_src, 0, width, height, width, width, TRUE, FALSE);
}
if (!d->first_image_decoded) {
ms_message("First frame decoded %ix%i",width,height);
d->first_image_decoded = true;
ms_filter_notify_no_arg(f, MS_VIDEO_DECODER_FIRST_IMAGE_DECODED);
}
ms_queue_put(f->outputs[0], om);
}else{
ms_error("MSMediaCodecH264Dec: width and height are not known !");
}
}
AMediaCodec_releaseOutputBuffer(d->codec, oBufidx, FALSE);
}
if (oBufidx == AMEDIA_ERROR_UNKNOWN){
ms_error("MSMediaCodecH264Dec: AMediaCodec_dequeueOutputBuffer() had an exception");
}
if (d->avpf_enabled && request_pli) {
ms_filter_notify_no_arg(f, MS_VIDEO_DECODER_SEND_PLI);
}
ms_queue_flush(f->inputs[0]);
}
static void dec_process(MSFilter *f){
DecData *d=(DecData*)f->data;
MSPicture pic = {0};
mblk_t *im,*om = NULL;
bool_t need_reinit=FALSE;
bool_t request_pli=FALSE;
MSQueue nalus;
ms_queue_init(&nalus);
while((im=ms_queue_get(f->inputs[0]))!=NULL){
if (d->packet_num==0 && d->sps && d->pps){
mblk_set_timestamp_info(d->sps,mblk_get_timestamp_info(im));
mblk_set_timestamp_info(d->pps,mblk_get_timestamp_info(im));
rfc3984_unpack(&d->unpacker, d->sps, &nalus);
rfc3984_unpack(&d->unpacker, d->pps, &nalus);
d->sps=NULL;
d->pps=NULL;
}
if(rfc3984_unpack(&d->unpacker,im,&nalus) <0){
request_pli=TRUE;
}
if (!ms_queue_empty(&nalus)){
AMediaCodecBufferInfo info;
int size;
int width = 0, height = 0, color = 0;
uint8_t *buf=NULL;
size_t bufsize;
ssize_t iBufidx, oBufidx;
size=nalusToFrame(d,&nalus,&need_reinit);
if (need_reinit) {
//In case of rotation, the decoder needs to flushed in order to restart with the new video size
AMediaCodec_flush(d->codec);
}
iBufidx = AMediaCodec_dequeueInputBuffer(d->codec, TIMEOUT_US);
if (iBufidx >= 0) {
buf = AMediaCodec_getInputBuffer(d->codec, iBufidx, &bufsize);
if(buf == NULL) {
break;
}
if((size_t)size > bufsize) {
ms_error("Cannot copy the bitstream into the input buffer size : %i and bufsize %i",size,(int) bufsize);
} else {
memcpy(buf,d->bitstream,(size_t)size);
AMediaCodec_queueInputBuffer(d->codec, iBufidx, 0, (size_t)size, TIMEOUT_US, 0);
}
}
oBufidx = AMediaCodec_dequeueOutputBuffer(d->codec, &info, TIMEOUT_US);
if(oBufidx >= 0){
AMediaFormat *format;
buf = AMediaCodec_getOutputBuffer(d->codec, oBufidx, &bufsize);
if(buf == NULL){
ms_filter_notify_no_arg(f,MS_VIDEO_DECODER_DECODING_ERRORS);
break;
}
format = AMediaCodec_getOutputFormat(d->codec);
if(format != NULL){
AMediaFormat_getInt32(format, "width", &width);
AMediaFormat_getInt32(format, "height", &height);
AMediaFormat_getInt32(format, "color-format", &color);
d->vsize.width=width;
d->vsize.height=height;
AMediaFormat_delete(format);
}
}
if(buf != NULL){
//YUV
if(width != 0 && height != 0 ){
if(color == 19) {
int ysize = width*height;
int usize = ysize/4;
om=ms_yuv_buf_alloc(&pic,width,height);
memcpy(pic.planes[0],buf,ysize);
memcpy(pic.planes[1],buf+ysize,usize);
memcpy(pic.planes[2],buf+ysize+usize,usize);
} else {
uint8_t* cbcr_src = (uint8_t*) (buf + width * height);
om = copy_ycbcrbiplanar_to_true_yuv_with_rotation_and_down_scale_by_2(d->buf_allocator, buf, cbcr_src, 0, width, height, width, width, TRUE, FALSE);
}
if (!d->first_image_decoded) {
ms_message("First frame decoded %ix%i",width,height);
d->first_image_decoded = true;
ms_filter_notify_no_arg(f, MS_VIDEO_DECODER_FIRST_IMAGE_DECODED);
}
ms_queue_put(f->outputs[0], om);
}
if(oBufidx > 0) {
AMediaCodec_releaseOutputBuffer(d->codec, oBufidx, FALSE);
}
}
}
d->packet_num++;
}
if (d->avpf_enabled && request_pli) {
ms_filter_notify_no_arg(f, MS_VIDEO_DECODER_SEND_PLI);
}
}
