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mirror of https://git.videolan.org/git/ffmpeg.git synced 2024-10-15 04:38:48 +02:00

crystalhd: Remove h.264 parser

Now that we don't need to do ridiculous things to work out if a
frame is interlaced or not, we don't need an extra h.264 parser.
This commit is contained in:
Philip Langdale 2016-10-11 21:00:17 -07:00
parent 89ba55dc0d
commit 13dbf77b81

View File

@ -83,7 +83,6 @@
#include <libcrystalhd/libcrystalhd_if.h>
#include "avcodec.h"
#include "h264dec.h"
#include "internal.h"
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
@ -112,7 +111,6 @@ typedef struct OpaqueList {
struct OpaqueList *next;
uint64_t fake_timestamp;
uint64_t reordered_opaque;
uint8_t pic_type;
} OpaqueList;
typedef struct {
@ -125,7 +123,6 @@ typedef struct {
uint32_t orig_extradata_size;
AVBSFContext *bsfc;
AVCodecParserContext *parser;
uint8_t is_70012;
uint8_t *sps_pps_buf;
@ -221,8 +218,7 @@ static inline void print_frame_info(CHDContext *priv, BC_DTS_PROC_OUT *output)
* OpaqueList functions
****************************************************************************/
static uint64_t opaque_list_push(CHDContext *priv, uint64_t reordered_opaque,
uint8_t pic_type)
static uint64_t opaque_list_push(CHDContext *priv, uint64_t reordered_opaque)
{
OpaqueList *newNode = av_mallocz(sizeof (OpaqueList));
if (!newNode) {
@ -239,7 +235,6 @@ static uint64_t opaque_list_push(CHDContext *priv, uint64_t reordered_opaque,
}
priv->tail = newNode;
newNode->reordered_opaque = reordered_opaque;
newNode->pic_type = pic_type;
return newNode->fake_timestamp;
}
@ -340,7 +335,6 @@ static av_cold int uninit(AVCodecContext *avctx)
priv->orig_extradata_size = 0;
}
av_parser_close(priv->parser);
if (priv->bsfc) {
av_bsf_free(&priv->bsfc);
}
@ -533,14 +527,6 @@ static av_cold int init(AVCodecContext *avctx)
goto fail;
}
if (avctx->codec->id == AV_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;
@ -561,7 +547,6 @@ static inline CopyRet copy_frame(AVCodecContext *avctx,
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;
@ -579,23 +564,18 @@ static inline CopyRet copy_frame(AVCodecContext *avctx,
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.
* cause it to be popped. We'll avoid overwriting the valid
* timestamp below.
*/
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);
@ -806,7 +786,6 @@ static int crystalhd_decode_packet(AVCodecContext *avctx, const AVPacket *avpkt)
BC_STATUS bc_ret;
CHDContext *priv = avctx->priv_data;
HANDLE dev = priv->dev;
uint8_t pic_type = 0;
AVPacket filtered_packet = { 0 };
int ret = 0;
@ -859,32 +838,6 @@ static int crystalhd_decode_packet(AVCodecContext *avctx, const AVPacket *avpkt)
av_packet_unref(&filter_packet);
}
if (priv->parser) {
uint8_t *pout;
int psize;
int index;
H264Context *h = priv->parser->priv_data;
index = av_parser_parse2(priv->parser, avctx, &pout, &psize,
avpkt->data, avpkt->size, avpkt->pts,
avpkt->dts, 0);
if (index < 0) {
av_log(avctx, AV_LOG_WARNING,
"CrystalHD: Failed to parse h.264 packet to "
"detect interlacing.\n");
} else if (index != avpkt->size) {
av_log(avctx, AV_LOG_WARNING,
"CrystalHD: Failed to parse h.264 packet "
"completely. Interlaced frames may be "
"incorrectly detected.\n");
} else {
av_log(avctx, AV_LOG_VERBOSE,
"CrystalHD: parser picture type %d\n",
h->picture_structure);
pic_type = h->picture_structure;
}
}
if (avpkt->size < tx_free) {
/*
* Despite being notionally opaque, either libcrystalhd or
@ -896,7 +849,7 @@ static int crystalhd_decode_packet(AVCodecContext *avctx, const AVPacket *avpkt)
* we know will not be mangled.
*/
int64_t safe_pts = avpkt->pts == AV_NOPTS_VALUE ? 0 : avpkt->pts;
uint64_t pts = opaque_list_push(priv, safe_pts, pic_type);
uint64_t pts = opaque_list_push(priv, safe_pts);
if (!pts) {
ret = AVERROR(ENOMEM);
goto exit;