int PrivateDecoderCrystalHD::GetTxFreeSize(bool hwsel)
{
BC_DTS_STATUS status;
if (hwsel)
status.cpbEmptySize = 0xC0000000; // set bit 31 for real HW free size
else
status.cpbEmptySize = 0x40000000; // set bit 30 for TX only status
INIT_ST;
st = DtsGetDriverStatus(m_device, &status);
CHECK_ST;
if (!ok)
return -1;
return status.cpbEmptySize;
}
void PrivateDecoderCrystalHD::FetchFrames(void)
{
INIT_ST;
bool valid = false;
m_fetcher_paused = false;
while (!m_fetcher_stop)
{
usleep(1000);
if (m_fetcher_pause)
{
m_fetcher_paused = true;
continue;
}
m_fetcher_paused = false;
BC_DTS_STATUS status;
st = DtsGetDriverStatus(m_device, &status);
CHECK_ST;
if (!status.ReadyListCount)
continue;
BC_DTS_PROC_OUT out;
memset(&out, 0, sizeof(BC_DTS_PROC_OUT));
st = DtsProcOutputNoCopy(m_device, valid ? 2000 : 20, &out);
if (BC_STS_FMT_CHANGE == st)
{
LOG(VB_GENERAL, LOG_INFO, LOC + "Decoder reported format change.");
CheckProcOutput(&out);
valid = true;
continue;
}
CHECK_ST;
if (!ok)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to fetch decoded frame");
continue;
}
if (ok && valid && (out.PoutFlags & BC_POUT_FLAGS_PIB_VALID))
FillFrame(&out);
st = DtsReleaseOutputBuffs(m_device, NULL, false);
CHECK_ST;
}
}
void PrivateDecoderCrystalHD::CheckStatus(void)
{
BC_DTS_STATUS status;
status.cpbEmptySize = 0x00000000; // set bit 31 for real HW free size
INIT_ST;
st = DtsGetDriverStatus(m_device, &status);
CHECK_ST;
if (!ok)
return;
LOG(VB_PLAYBACK, LOG_INFO, LOC + QString("ReadyListCount : %1")
.arg(status.ReadyListCount));
LOG(VB_PLAYBACK, LOG_INFO, LOC + QString("FreeListCount : %1")
.arg(status.FreeListCount));
LOG(VB_PLAYBACK, LOG_INFO, LOC + QString("PowerStateChange: %1")
.arg(status.PowerStateChange));
LOG(VB_PLAYBACK, LOG_INFO, LOC + QString("FrameDropped : %1")
.arg(status.FramesDropped));
LOG(VB_PLAYBACK, LOG_INFO, LOC + QString("FramesCaptured : %1")
.arg(status.FramesCaptured));
LOG(VB_PLAYBACK, LOG_INFO, LOC + QString("FramesRepeated : %1")
.arg(status.FramesRepeated));
LOG(VB_PLAYBACK, LOG_INFO, LOC + QString("InputCount : %1")
.arg(status.InputCount));
LOG(VB_PLAYBACK, LOG_INFO, LOC + QString("InputTotalSize : %1")
.arg(status.InputTotalSize));
LOG(VB_PLAYBACK, LOG_INFO, LOC + QString("InputBusyCount : %1")
.arg(status.InputBusyCount));
LOG(VB_PLAYBACK, LOG_INFO, LOC + QString("PIBMissCount : %1")
.arg(status.PIBMissCount));
LOG(VB_PLAYBACK, LOG_INFO, LOC + QString("cpbEmptySize : %1")
.arg(status.cpbEmptySize));
LOG(VB_PLAYBACK, LOG_INFO, LOC + QString("NextTimeStamp : %1")
.arg(status.NextTimeStamp));
LOG(VB_PLAYBACK, LOG_INFO, LOC + QString("PicNumFlags : %1")
.arg(status.picNumFlags));
}
static inline CopyRet receive_frame(AVCodecContext *avctx,
void *data, int *data_size,
uint8_t second_field)
{
BC_STATUS ret;
BC_DTS_PROC_OUT output =
{
.PicInfo.width = avctx->width,
.PicInfo.height = avctx->height,
};
CHDContext *priv = avctx->priv_data;
HANDLE dev = priv->dev;
*data_size = 0;
// Request decoded data from the driver
ret = DtsProcOutputNoCopy(dev, OUTPUT_PROC_TIMEOUT, &output);
if (ret == BC_STS_FMT_CHANGE)
{
av_log(avctx, AV_LOG_VERBOSE, "CrystalHD: Initial format change\n");
avctx->width = output.PicInfo.width;
avctx->height = output.PicInfo.height;
return RET_COPY_AGAIN;
}
else if (ret == BC_STS_SUCCESS)
{
int copy_ret = -1;
if (output.PoutFlags & BC_POUT_FLAGS_PIB_VALID)
{
if (priv->last_picture == -1)
{
/*
* Init to one less, so that the incrementing code doesn't
* need to be special-cased.
*/
priv->last_picture = output.PicInfo.picture_number - 1;
}
if (avctx->codec->id == CODEC_ID_MPEG4 &&
output.PicInfo.timeStamp == 0)
{
av_log(avctx, AV_LOG_VERBOSE,
"CrystalHD: Not returning packed frame twice.\n");
priv->last_picture++;
DtsReleaseOutputBuffs(dev, NULL, FALSE);
return RET_COPY_AGAIN;
}
print_frame_info(priv, &output);
if (priv->last_picture + 1 < output.PicInfo.picture_number)
{
av_log(avctx, AV_LOG_WARNING,
"CrystalHD: Picture Number discontinuity\n");
/*
* Have we lost frames? If so, we need to shrink the
* pipeline length appropriately.
*
* XXX: I have no idea what the semantics of this situation
* are so I don't even know if we've lost frames or which
* ones.
*
* In any case, only warn the first time.
*/
priv->last_picture = output.PicInfo.picture_number - 1;
}
copy_ret = copy_frame(avctx, &output, data, data_size, second_field);
if (*data_size > 0)
{
avctx->has_b_frames--;
priv->last_picture++;
av_log(avctx, AV_LOG_VERBOSE, "CrystalHD: Pipeline length: %u\n",
avctx->has_b_frames);
}
}
else
{
/*
* An invalid frame has been consumed.
*/
av_log(avctx, AV_LOG_ERROR, "CrystalHD: ProcOutput succeeded with "
"invalid PIB\n");
avctx->has_b_frames--;
copy_ret = RET_OK;
}
DtsReleaseOutputBuffs(dev, NULL, FALSE);
return copy_ret;
}
else if (ret == BC_STS_BUSY)
{
return RET_COPY_AGAIN;
}
else
{
av_log(avctx, AV_LOG_ERROR, "CrystalHD: ProcOutput failed %d\n", ret);
return RET_ERROR;
}
}
static int decode(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
{
BC_STATUS ret;
BC_DTS_STATUS decoder_status;
CopyRet rec_ret;
CHDContext *priv = avctx->priv_data;
HANDLE dev = priv->dev;
int len = avpkt->size;
av_log(avctx, AV_LOG_VERBOSE, "CrystalHD: decode_frame\n");
if (len)
{
int32_t tx_free = (int32_t)DtsTxFreeSize(dev);
if (len < tx_free - 1024)
{
/*
* Despite being notionally opaque, either libcrystalhd or
* the hardware itself will mangle pts values that are too
* small or too large. The docs claim it should be in units
* of 100ns. Given that we're nominally dealing with a black
* box on both sides, any transform we do has no guarantee of
* avoiding mangling so we need to build a mapping to values
* we know will not be mangled.
*/
uint64_t pts = opaque_list_push(priv, avctx->pkt->pts);
if (!pts)
{
return AVERROR(ENOMEM);
}
av_log(priv->avctx, AV_LOG_VERBOSE,
"input \"pts\": %"PRIu64"\n", pts);
ret = DtsProcInput(dev, avpkt->data, len, pts, 0);
if (ret == BC_STS_BUSY)
{
av_log(avctx, AV_LOG_WARNING,
"CrystalHD: ProcInput returned busy\n");
usleep(BASE_WAIT);
return AVERROR(EBUSY);
}
else if (ret != BC_STS_SUCCESS)
{
av_log(avctx, AV_LOG_ERROR,
"CrystalHD: ProcInput failed: %u\n", ret);
return -1;
}
avctx->has_b_frames++;
}
else
{
av_log(avctx, AV_LOG_WARNING, "CrystalHD: Input buffer full\n");
len = 0; // We didn't consume any bytes.
}
}
else
{
av_log(avctx, AV_LOG_INFO, "CrystalHD: No more input data\n");
}
if (priv->skip_next_output)
{
av_log(avctx, AV_LOG_VERBOSE, "CrystalHD: Skipping next output.\n");
priv->skip_next_output = 0;
avctx->has_b_frames--;
return len;
}
ret = DtsGetDriverStatus(dev, &decoder_status);
if (ret != BC_STS_SUCCESS)
{
av_log(avctx, AV_LOG_ERROR, "CrystalHD: GetDriverStatus failed\n");
return -1;
}
/*
* No frames ready. Don't try to extract.
*
* Empirical testing shows that ReadyListCount can be a damn lie,
* and ProcOut still fails when count > 0. The same testing showed
* that two more iterations were needed before ProcOutput would
* succeed.
*/
if (priv->output_ready < 2)
{
if (decoder_status.ReadyListCount != 0)
priv->output_ready++;
usleep(BASE_WAIT);
av_log(avctx, AV_LOG_INFO, "CrystalHD: Filling pipeline.\n");
return len;
}
else if (decoder_status.ReadyListCount == 0)
{
/*
* After the pipeline is established, if we encounter a lack of frames
* that probably means we're not giving the hardware enough time to
* decode them, so start increasing the wait time at the end of a
* decode call.
*/
usleep(BASE_WAIT);
priv->decode_wait += WAIT_UNIT;
av_log(avctx, AV_LOG_INFO, "CrystalHD: No frames ready. Returning\n");
return len;
}
do
{
rec_ret = receive_frame(avctx, data, data_size, 0);
if (rec_ret == 0 && *data_size == 0)
{
if (avctx->codec->id == CODEC_ID_H264)
{
/*
* This case is for when the encoded fields are stored
* separately and we get a separate avpkt for each one. To keep
* the pipeline stable, we should return nothing and wait for
* the next time round to grab the second field.
* H.264 PAFF is an example of this.
*/
av_log(avctx, AV_LOG_VERBOSE, "Returning after first field.\n");
avctx->has_b_frames--;
}
else
{
/*
* This case is for when the encoded fields are stored in a
* single avpkt but the hardware returns then separately. Unless
* we grab the second field before returning, we'll slip another
* frame in the pipeline and if that happens a lot, we're sunk.
* So we have to get that second field now.
* Interlaced mpeg2 and vc1 are examples of this.
*/
av_log(avctx, AV_LOG_VERBOSE, "Trying to get second field.\n");
while (1)
{
usleep(priv->decode_wait);
ret = DtsGetDriverStatus(dev, &decoder_status);
if (ret == BC_STS_SUCCESS &&
decoder_status.ReadyListCount > 0)
{
rec_ret = receive_frame(avctx, data, data_size, 1);
if ((rec_ret == 0 && *data_size > 0) ||
rec_ret == RET_ERROR)
break;
}
}
av_log(avctx, AV_LOG_VERBOSE, "CrystalHD: Got second field.\n");
}
}
else if (rec_ret == RET_SKIP_NEXT_COPY)
{
/*
* Two input packets got turned into a field pair. Gawd.
*/
av_log(avctx, AV_LOG_VERBOSE,
"Don't output on next decode call.\n");
priv->skip_next_output = 1;
}
/*
* If rec_ret == RET_COPY_AGAIN, that means that either we just handled
* a FMT_CHANGE event and need to go around again for the actual frame,
* we got a busy status and need to try again, or we're dealing with
* packed b-frames, where the hardware strangely returns the packed
* p-frame twice. We choose to keep the second copy as it carries the
* valid pts.
*/
}
while (rec_ret == RET_COPY_AGAIN);
usleep(priv->decode_wait);
return len;
}
static av_cold int init(AVCodecContext *avctx)
{
CHDContext* priv;
BC_STATUS ret;
BC_INFO_CRYSTAL version;
BC_INPUT_FORMAT format =
{
.FGTEnable = FALSE,
.Progressive = TRUE,
.OptFlags = 0x80000000 | vdecFrameRate59_94 | 0x40,
.width = avctx->width,
.height = avctx->height,
};
BC_MEDIA_SUBTYPE subtype;
uint32_t mode = DTS_PLAYBACK_MODE |
DTS_LOAD_FILE_PLAY_FW |
DTS_SKIP_TX_CHK_CPB |
DTS_PLAYBACK_DROP_RPT_MODE |
DTS_SINGLE_THREADED_MODE |
DTS_DFLT_RESOLUTION(vdecRESOLUTION_1080p23_976);
av_log(avctx, AV_LOG_VERBOSE, "CrystalHD Init for %s\n",
avctx->codec->name);
avctx->pix_fmt = PIX_FMT_YUYV422;
/* Initialize the library */
priv = avctx->priv_data;
priv->avctx = avctx;
priv->is_nal = avctx->extradata_size > 0 && *(avctx->extradata) == 1;
priv->last_picture = -1;
priv->decode_wait = BASE_WAIT;
subtype = id2subtype(priv, avctx->codec->id);
switch (subtype)
{
case BC_MSUBTYPE_AVC1:
{
uint8_t *dummy_p;
int dummy_int;
AVBitStreamFilterContext *bsfc;
uint32_t orig_data_size = avctx->extradata_size;
uint8_t *orig_data = av_malloc(orig_data_size);
if (!orig_data)
{
av_log(avctx, AV_LOG_ERROR,
"Failed to allocate copy of extradata\n");
return AVERROR(ENOMEM);
}
memcpy(orig_data, avctx->extradata, orig_data_size);
bsfc = av_bitstream_filter_init("h264_mp4toannexb");
if (!bsfc)
{
av_log(avctx, AV_LOG_ERROR,
"Cannot open the h264_mp4toannexb BSF!\n");
av_free(orig_data);
return AVERROR_BSF_NOT_FOUND;
}
av_bitstream_filter_filter(bsfc, avctx, NULL, &dummy_p,
&dummy_int, NULL, 0, 0);
av_bitstream_filter_close(bsfc);
priv->sps_pps_buf = avctx->extradata;
priv->sps_pps_size = avctx->extradata_size;
avctx->extradata = orig_data;
avctx->extradata_size = orig_data_size;
format.pMetaData = priv->sps_pps_buf;
format.metaDataSz = priv->sps_pps_size;
format.startCodeSz = (avctx->extradata[4] & 0x03) + 1;
}
break;
case BC_MSUBTYPE_H264:
format.startCodeSz = 4;
// Fall-through
case BC_MSUBTYPE_VC1:
case BC_MSUBTYPE_WVC1:
case BC_MSUBTYPE_WMV3:
case BC_MSUBTYPE_WMVA:
case BC_MSUBTYPE_MPEG2VIDEO:
case BC_MSUBTYPE_DIVX:
case BC_MSUBTYPE_DIVX311:
format.pMetaData = avctx->extradata;
format.metaDataSz = avctx->extradata_size;
break;
default:
av_log(avctx, AV_LOG_ERROR, "CrystalHD: Unknown codec name\n");
return AVERROR(EINVAL);
}
format.mSubtype = subtype;
/* Get a decoder instance */
av_log(avctx, AV_LOG_VERBOSE, "CrystalHD: starting up\n");
// Initialize the Link and Decoder devices
ret = DtsDeviceOpen(&priv->dev, mode);
if (ret != BC_STS_SUCCESS)
{
av_log(avctx, AV_LOG_VERBOSE, "CrystalHD: DtsDeviceOpen failed\n");
goto fail;
}
ret = DtsCrystalHDVersion(priv->dev, &version);
if (ret != BC_STS_SUCCESS)
{
av_log(avctx, AV_LOG_VERBOSE,
"CrystalHD: DtsCrystalHDVersion failed\n");
goto fail;
}
priv->is_70012 = version.device == 0;
if (priv->is_70012 &&
(subtype == BC_MSUBTYPE_DIVX || subtype == BC_MSUBTYPE_DIVX311))
{
av_log(avctx, AV_LOG_VERBOSE,
"CrystalHD: BCM70012 doesn't support MPEG4-ASP/DivX/Xvid\n");
goto fail;
}
ret = DtsSetInputFormat(priv->dev, &format);
if (ret != BC_STS_SUCCESS)
{
av_log(avctx, AV_LOG_ERROR, "CrystalHD: SetInputFormat failed\n");
goto fail;
}
ret = DtsOpenDecoder(priv->dev, BC_STREAM_TYPE_ES);
if (ret != BC_STS_SUCCESS)
{
av_log(avctx, AV_LOG_ERROR, "CrystalHD: DtsOpenDecoder failed\n");
goto fail;
}
ret = DtsSetColorSpace(priv->dev, OUTPUT_MODE422_YUY2);
if (ret != BC_STS_SUCCESS)
{
av_log(avctx, AV_LOG_ERROR, "CrystalHD: DtsSetColorSpace failed\n");
goto fail;
}
ret = DtsStartDecoder(priv->dev);
if (ret != BC_STS_SUCCESS)
{
av_log(avctx, AV_LOG_ERROR, "CrystalHD: DtsStartDecoder failed\n");
goto fail;
}
ret = DtsStartCapture(priv->dev);
if (ret != BC_STS_SUCCESS)
{
av_log(avctx, AV_LOG_ERROR, "CrystalHD: DtsStartCapture failed\n");
goto fail;
}
av_log(avctx, AV_LOG_VERBOSE, "CrystalHD: Init complete.\n");
return 0;
fail:
uninit(avctx);
return -1;
}
/*
* The CrystalHD doesn't report interlaced H.264 content in a way that allows
* us to distinguish between specific cases that require different handling.
* So, for now, we have to hard-code the behaviour we want.
*
* The default behaviour is to assume MBAFF with input and output fieldpairs.
*
* Define ASSUME_PAFF_OVER_MBAFF to treat input as PAFF with separate input
* and output fields.
*
* Define ASSUME_TWO_INPUTS_ONE_OUTPUT to treat input as separate fields but
* output as a single fieldpair.
*
* Define both to mess up your playback.
*/
#define ASSUME_PAFF_OVER_MBAFF 0
#define ASSUME_TWO_INPUTS_ONE_OUTPUT 0
static inline CopyRet copy_frame(AVCodecContext *avctx,
BC_DTS_PROC_OUT *output,
void *data, int *data_size,
uint8_t second_field)
{
BC_STATUS ret;
BC_DTS_STATUS decoder_status;
uint8_t is_paff;
uint8_t next_frame_same;
uint8_t interlaced;
CHDContext *priv = avctx->priv_data;
uint8_t bottom_field = (output->PicInfo.flags & VDEC_FLAG_BOTTOMFIELD) ==
VDEC_FLAG_BOTTOMFIELD;
uint8_t bottom_first = !!(output->PicInfo.flags & VDEC_FLAG_BOTTOM_FIRST);
int width = output->PicInfo.width;
int height = output->PicInfo.height;
int bwidth;
uint8_t *src = output->Ybuff;
int sStride;
uint8_t *dst;
int dStride;
ret = DtsGetDriverStatus(priv->dev, &decoder_status);
if (ret != BC_STS_SUCCESS)
{
av_log(avctx, AV_LOG_ERROR,
"CrystalHD: GetDriverStatus failed: %u\n", ret);
return RET_ERROR;
}
is_paff = ASSUME_PAFF_OVER_MBAFF ||
!(output->PicInfo.flags & VDEC_FLAG_UNKNOWN_SRC);
next_frame_same = output->PicInfo.picture_number ==
(decoder_status.picNumFlags & ~0x40000000);
interlaced = ((output->PicInfo.flags &
VDEC_FLAG_INTERLACED_SRC) && is_paff) ||
next_frame_same || bottom_field || second_field;
av_log(avctx, AV_LOG_VERBOSE, "CrystalHD: next_frame_same: %u | %u | %u\n",
next_frame_same, output->PicInfo.picture_number,
decoder_status.picNumFlags & ~0x40000000);
if (priv->pic.data[0] && !priv->need_second_field)
avctx->release_buffer(avctx, &priv->pic);
priv->need_second_field = interlaced && !priv->need_second_field;
priv->pic.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE |
FF_BUFFER_HINTS_REUSABLE;
if (!priv->pic.data[0])
{
if (avctx->get_buffer(avctx, &priv->pic) < 0)
{
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return RET_ERROR;
}
}
bwidth = av_image_get_linesize(avctx->pix_fmt, width, 0);
if (priv->is_70012)
{
int pStride;
if (width <= 720)
pStride = 720;
else if (width <= 1280)
pStride = 1280;
else if (width <= 1080)
pStride = 1080;
sStride = av_image_get_linesize(avctx->pix_fmt, pStride, 0);
}
else
{
sStride = bwidth;
}
dStride = priv->pic.linesize[0];
dst = priv->pic.data[0];
av_log(priv->avctx, AV_LOG_VERBOSE, "CrystalHD: Copying out frame\n");
if (interlaced)
{
int dY = 0;
int sY = 0;
height /= 2;
if (bottom_field)
{
av_log(priv->avctx, AV_LOG_VERBOSE, "Interlaced: bottom field\n");
dY = 1;
}
else
{
av_log(priv->avctx, AV_LOG_VERBOSE, "Interlaced: top field\n");
dY = 0;
}
for (sY = 0; sY < height; dY++, sY++)
{
memcpy(&(dst[dY * dStride]), &(src[sY * sStride]), bwidth);
dY++;
}
}
else
{
av_image_copy_plane(dst, dStride, src, sStride, bwidth, height);
}
priv->pic.interlaced_frame = interlaced;
if (interlaced)
priv->pic.top_field_first = !bottom_first;
if (output->PicInfo.timeStamp != 0)
{
priv->pic.pkt_pts = opaque_list_pop(priv, output->PicInfo.timeStamp);
av_log(avctx, AV_LOG_VERBOSE, "output \"pts\": %"PRIu64"\n",
priv->pic.pkt_pts);
}
if (!priv->need_second_field)
{
*data_size = sizeof(AVFrame);
*(AVFrame *)data = priv->pic;
}
if (ASSUME_TWO_INPUTS_ONE_OUTPUT &&
output->PicInfo.flags & VDEC_FLAG_UNKNOWN_SRC)
{
av_log(priv->avctx, AV_LOG_VERBOSE, "Fieldpair from two packets.\n");
return RET_SKIP_NEXT_COPY;
}
return RET_OK;
}
static av_cold int init(AVCodecContext *avctx)
{
CHDContext* priv;
BC_STATUS ret;
BC_INFO_CRYSTAL version;
BC_INPUT_FORMAT format = {
.FGTEnable = FALSE,
.Progressive = TRUE,
.OptFlags = 0x80000000 | vdecFrameRate59_94 | 0x40,
.width = avctx->width,
.height = avctx->height,
};
BC_MEDIA_SUBTYPE subtype;
uint32_t mode = DTS_PLAYBACK_MODE |
DTS_LOAD_FILE_PLAY_FW |
DTS_SKIP_TX_CHK_CPB |
DTS_PLAYBACK_DROP_RPT_MODE |
DTS_SINGLE_THREADED_MODE |
DTS_DFLT_RESOLUTION(vdecRESOLUTION_1080p23_976);
av_log(avctx, AV_LOG_VERBOSE, "CrystalHD Init for %s\n",
avctx->codec->name);
avctx->pix_fmt = PIX_FMT_YUYV422;
/* Initialize the library */
priv = avctx->priv_data;
priv->avctx = avctx;
priv->is_nal = avctx->extradata_size > 0 && *(avctx->extradata) == 1;
priv->last_picture = -1;
priv->decode_wait = BASE_WAIT;
subtype = id2subtype(priv, avctx->codec->id);
switch (subtype) {
case BC_MSUBTYPE_AVC1:
{
uint8_t *dummy_p;
int dummy_int;
priv->bsfc = av_bitstream_filter_init("h264_mp4toannexb");
if (!priv->bsfc) {
av_log(avctx, AV_LOG_ERROR,
"Cannot open the h264_mp4toannexb BSF!\n");
return AVERROR_BSF_NOT_FOUND;
}
av_bitstream_filter_filter(priv->bsfc, avctx, NULL, &dummy_p,
&dummy_int, NULL, 0, 0);
}
subtype = BC_MSUBTYPE_H264;
// Fall-through
case BC_MSUBTYPE_H264:
format.startCodeSz = 4;
// Fall-through
case BC_MSUBTYPE_VC1:
case BC_MSUBTYPE_WVC1:
case BC_MSUBTYPE_WMV3:
case BC_MSUBTYPE_WMVA:
case BC_MSUBTYPE_MPEG2VIDEO:
case BC_MSUBTYPE_DIVX:
case BC_MSUBTYPE_DIVX311:
format.pMetaData = avctx->extradata;
format.metaDataSz = avctx->extradata_size;
break;
default:
av_log(avctx, AV_LOG_ERROR, "CrystalHD: Unknown codec name\n");
return AVERROR(EINVAL);
}
format.mSubtype = subtype;
if (priv->sWidth) {
format.bEnableScaling = 1;
format.ScalingParams.sWidth = priv->sWidth;
}
/* Get a decoder instance */
av_log(avctx, AV_LOG_VERBOSE, "CrystalHD: starting up\n");
// Initialize the Link and Decoder devices
ret = DtsDeviceOpen(&priv->dev, mode);
if (ret != BC_STS_SUCCESS) {
av_log(avctx, AV_LOG_VERBOSE, "CrystalHD: DtsDeviceOpen failed\n");
goto fail;
}
ret = DtsCrystalHDVersion(priv->dev, &version);
if (ret != BC_STS_SUCCESS) {
av_log(avctx, AV_LOG_VERBOSE,
"CrystalHD: DtsCrystalHDVersion failed\n");
goto fail;
}
priv->is_70012 = version.device == 0;
if (priv->is_70012 &&
(subtype == BC_MSUBTYPE_DIVX || subtype == BC_MSUBTYPE_DIVX311)) {
av_log(avctx, AV_LOG_VERBOSE,
"CrystalHD: BCM70012 doesn't support MPEG4-ASP/DivX/Xvid\n");
goto fail;
}
ret = DtsSetInputFormat(priv->dev, &format);
if (ret != BC_STS_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "CrystalHD: SetInputFormat failed\n");
goto fail;
}
ret = DtsOpenDecoder(priv->dev, BC_STREAM_TYPE_ES);
if (ret != BC_STS_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "CrystalHD: DtsOpenDecoder failed\n");
goto fail;
}
ret = DtsSetColorSpace(priv->dev, OUTPUT_MODE422_YUY2);
if (ret != BC_STS_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "CrystalHD: DtsSetColorSpace failed\n");
goto fail;
}
ret = DtsStartDecoder(priv->dev);
if (ret != BC_STS_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "CrystalHD: DtsStartDecoder failed\n");
goto fail;
}
ret = DtsStartCapture(priv->dev);
if (ret != BC_STS_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "CrystalHD: DtsStartCapture failed\n");
goto fail;
}
if (avctx->codec->id == CODEC_ID_H264) {
priv->parser = av_parser_init(avctx->codec->id);
if (!priv->parser)
av_log(avctx, AV_LOG_WARNING,
"Cannot open the h.264 parser! Interlaced h.264 content "
"will not be detected reliably.\n");
priv->parser->flags = PARSER_FLAG_COMPLETE_FRAMES;
}
av_log(avctx, AV_LOG_VERBOSE, "CrystalHD: Init complete.\n");
return 0;
fail:
uninit(avctx);
return -1;
}
static inline CopyRet copy_frame(AVCodecContext *avctx,
BC_DTS_PROC_OUT *output,
void *data, int *data_size)
{
BC_STATUS ret;
BC_DTS_STATUS decoder_status;
uint8_t trust_interlaced;
uint8_t interlaced;
CHDContext *priv = avctx->priv_data;
int64_t pkt_pts = AV_NOPTS_VALUE;
uint8_t pic_type = 0;
uint8_t bottom_field = (output->PicInfo.flags & VDEC_FLAG_BOTTOMFIELD) ==
VDEC_FLAG_BOTTOMFIELD;
uint8_t bottom_first = !!(output->PicInfo.flags & VDEC_FLAG_BOTTOM_FIRST);
int width = output->PicInfo.width;
int height = output->PicInfo.height;
int bwidth;
uint8_t *src = output->Ybuff;
int sStride;
uint8_t *dst;
int dStride;
if (output->PicInfo.timeStamp != 0) {
OpaqueList *node = opaque_list_pop(priv, output->PicInfo.timeStamp);
if (node) {
pkt_pts = node->reordered_opaque;
pic_type = node->pic_type;
av_free(node);
} else {
/*
* We will encounter a situation where a timestamp cannot be
* popped if a second field is being returned. In this case,
* each field has the same timestamp and the first one will
* cause it to be popped. To keep subsequent calculations
* simple, pic_type should be set a FIELD value - doesn't
* matter which, but I chose BOTTOM.
*/
pic_type = PICT_BOTTOM_FIELD;
}
av_log(avctx, AV_LOG_VERBOSE, "output \"pts\": %"PRIu64"\n",
output->PicInfo.timeStamp);
av_log(avctx, AV_LOG_VERBOSE, "output picture type %d\n",
pic_type);
}
ret = DtsGetDriverStatus(priv->dev, &decoder_status);
if (ret != BC_STS_SUCCESS) {
av_log(avctx, AV_LOG_ERROR,
"CrystalHD: GetDriverStatus failed: %u\n", ret);
return RET_ERROR;
}
/*
* For most content, we can trust the interlaced flag returned
* by the hardware, but sometimes we can't. These are the
* conditions under which we can trust the flag:
*
* 1) It's not h.264 content
* 2) The UNKNOWN_SRC flag is not set
* 3) We know we're expecting a second field
* 4) The hardware reports this picture and the next picture
* have the same picture number.
*
* Note that there can still be interlaced content that will
* fail this check, if the hardware hasn't decoded the next
* picture or if there is a corruption in the stream. (In either
* case a 0 will be returned for the next picture number)
*/
trust_interlaced = avctx->codec->id != CODEC_ID_H264 ||
!(output->PicInfo.flags & VDEC_FLAG_UNKNOWN_SRC) ||
priv->need_second_field ||
(decoder_status.picNumFlags & ~0x40000000) ==
output->PicInfo.picture_number;
/*
* If we got a false negative for trust_interlaced on the first field,
* we will realise our mistake here when we see that the picture number is that
* of the previous picture. We cannot recover the frame and should discard the
* second field to keep the correct number of output frames.
*/
if (output->PicInfo.picture_number == priv->last_picture && !priv->need_second_field) {
av_log(avctx, AV_LOG_WARNING,
"Incorrectly guessed progressive frame. Discarding second field\n");
/* Returning without providing a picture. */
return RET_OK;
}
interlaced = (output->PicInfo.flags & VDEC_FLAG_INTERLACED_SRC) &&
trust_interlaced;
if (!trust_interlaced && (decoder_status.picNumFlags & ~0x40000000) == 0) {
av_log(avctx, AV_LOG_VERBOSE,
"Next picture number unknown. Assuming progressive frame.\n");
}
av_log(avctx, AV_LOG_VERBOSE, "Interlaced state: %d | trust_interlaced %d\n",
interlaced, trust_interlaced);
if (priv->pic.data[0] && !priv->need_second_field)
avctx->release_buffer(avctx, &priv->pic);
priv->need_second_field = interlaced && !priv->need_second_field;
priv->pic.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE |
FF_BUFFER_HINTS_REUSABLE;
if (!priv->pic.data[0]) {
if (avctx->get_buffer(avctx, &priv->pic) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return RET_ERROR;
}
}
bwidth = av_image_get_linesize(avctx->pix_fmt, width, 0);
if (priv->is_70012) {
int pStride;
if (width <= 720)
pStride = 720;
else if (width <= 1280)
pStride = 1280;
else if (width <= 1080)
pStride = 1080;
sStride = av_image_get_linesize(avctx->pix_fmt, pStride, 0);
} else {
sStride = bwidth;
}
dStride = priv->pic.linesize[0];
dst = priv->pic.data[0];
av_log(priv->avctx, AV_LOG_VERBOSE, "CrystalHD: Copying out frame\n");
if (interlaced) {
int dY = 0;
int sY = 0;
height /= 2;
if (bottom_field) {
av_log(priv->avctx, AV_LOG_VERBOSE, "Interlaced: bottom field\n");
dY = 1;
} else {
av_log(priv->avctx, AV_LOG_VERBOSE, "Interlaced: top field\n");
dY = 0;
}
for (sY = 0; sY < height; dY++, sY++) {
memcpy(&(dst[dY * dStride]), &(src[sY * sStride]), bwidth);
dY++;
}
} else {
av_image_copy_plane(dst, dStride, src, sStride, bwidth, height);
}
priv->pic.interlaced_frame = interlaced;
if (interlaced)
priv->pic.top_field_first = !bottom_first;
priv->pic.pkt_pts = pkt_pts;
if (!priv->need_second_field) {
*data_size = sizeof(AVFrame);
*(AVFrame *)data = priv->pic;
}
/*
* Two types of PAFF content have been observed. One form causes the
* hardware to return a field pair and the other individual fields,
* even though the input is always individual fields. We must skip
* copying on the next decode() call to maintain pipeline length in
* the first case.
*/
if (!interlaced && (output->PicInfo.flags & VDEC_FLAG_UNKNOWN_SRC) &&
(pic_type == PICT_TOP_FIELD || pic_type == PICT_BOTTOM_FIELD)) {
av_log(priv->avctx, AV_LOG_VERBOSE, "Fieldpair from two packets.\n");
return RET_SKIP_NEXT_COPY;
}
/*
* Testing has shown that in all cases where we don't want to return the
* full frame immediately, VDEC_FLAG_UNKNOWN_SRC is set.
*/
return priv->need_second_field &&
!(output->PicInfo.flags & VDEC_FLAG_UNKNOWN_SRC) ?
RET_COPY_NEXT_FIELD : RET_OK;
}
