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Code Issues Releases Activity

avcodec/libuavs3d: process extradata

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Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
This commit is contained in:
Zhao Zhili
2025-02-24 21:51:51 +08:00
parent 2d7966aee1
commit 5a32496962
1 changed files with 89 additions and 31 deletions
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120
libavcodec/libuavs3d.c
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@ -106,6 +106,91 @@ FF_ENABLE_DEPRECATION_WARNINGS
uavs3d_img_cpy_cvt(&frm_out, dec_frame, dec_frame->bit_depth);
}
#define UAVS3D_CHECK_INVALID_RANGE(v, l, r) ((v)<(l)||(v)>(r))
static int libuavs3d_on_seq_header(AVCodecContext *avctx)
{
uavs3d_context *h = avctx->priv_data;
uavs3d_io_frm_t *frm_dec = &h->dec_frame;
struct uavs3d_com_seqh_t *seqh = frm_dec->seqhdr;
int ret;
if (UAVS3D_CHECK_INVALID_RANGE(seqh->frame_rate_code, 0, 15)) {
av_log(avctx, AV_LOG_ERROR, "Invalid frame rate code: %d.\n", seqh->frame_rate_code);
seqh->frame_rate_code = 3; // default 25 fps
} else {
avctx->framerate.num = ff_avs3_frame_rate_tab[seqh->frame_rate_code].num;
avctx->framerate.den = ff_avs3_frame_rate_tab[seqh->frame_rate_code].den;
}
avctx->has_b_frames = seqh->output_reorder_delay;
avctx->pix_fmt = seqh->bit_depth_internal == 8 ? AV_PIX_FMT_YUV420P : AV_PIX_FMT_YUV420P10LE;
ret = ff_set_dimensions(avctx, seqh->horizontal_size, seqh->vertical_size);
if (ret < 0)
return ret;
h->got_seqhdr = 1;
if (seqh->colour_description) {
if (UAVS3D_CHECK_INVALID_RANGE(seqh->colour_primaries, 0, 9) ||
UAVS3D_CHECK_INVALID_RANGE(seqh->transfer_characteristics, 0, 14) ||
UAVS3D_CHECK_INVALID_RANGE(seqh->matrix_coefficients, 0, 11)) {
av_log(avctx, AV_LOG_ERROR,
"Invalid colour description: primaries: %d"
"transfer characteristics: %d"
"matrix coefficients: %d.\n",
seqh->colour_primaries,
seqh->transfer_characteristics,
seqh->matrix_coefficients);
} else {
avctx->color_primaries = ff_avs3_color_primaries_tab[seqh->colour_primaries];
avctx->color_trc = ff_avs3_color_transfer_tab [seqh->transfer_characteristics];
avctx->colorspace = ff_avs3_color_matrix_tab [seqh->matrix_coefficients];
}
}
return 0;
}
static int libuavs3d_decode_extradata(AVCodecContext *avctx)
{
uavs3d_context *h = avctx->priv_data;
uint8_t *header = avctx->extradata;
int header_size = avctx->extradata_size;
uavs3d_io_frm_t *frm_dec = &h->dec_frame;
if (avctx->extradata_size < 4) {
av_log(avctx, AV_LOG_WARNING, "Invalid extradata size %d\n",
avctx->extradata_size);
return 0;
}
if (header[0] == 1) {
// Skip configurationVersion and sequence_header_length
header += 3;
// Also remove library_dependency_idc at the end
header_size -= 4;
}
frm_dec->nal_type = 0;
frm_dec->pkt_pos = 0;
frm_dec->pkt_size = header_size;
frm_dec->bs = header;
frm_dec->bs_len = header_size;
frm_dec->pts = 0;
frm_dec->dts = 0;
uavs3d_decode(h->dec_handle, frm_dec);
if (frm_dec->nal_type == NAL_SEQ_HEADER) {
int ret = libuavs3d_on_seq_header(avctx);
if (ret < 0)
av_log(avctx, AV_LOG_WARNING,
"Process sequence header failed, %s\n", av_err2str(ret));
} else {
av_log(avctx, AV_LOG_WARNING,
"Missing sequence header in extradata\n");
}
return 0;
}
static av_cold int libuavs3d_init(AVCodecContext *avctx)
{
uavs3d_context *h = avctx->priv_data;
@ -120,6 +205,9 @@ static av_cold int libuavs3d_init(AVCodecContext *avctx)
return AVERROR(ENOMEM);
}
if (avctx->extradata)
return libuavs3d_decode_extradata(avctx);
return 0;
}
@ -146,7 +234,6 @@ static void libuavs3d_flush(AVCodecContext * avctx)
}
}
#define UAVS3D_CHECK_INVALID_RANGE(v, l, r) ((v)<(l)||(v)>(r))
static int libuavs3d_decode_frame(AVCodecContext *avctx, AVFrame *frm,
int *got_frame, AVPacket *avpkt)
{
@ -207,38 +294,9 @@ FF_ENABLE_DEPRECATION_WARNINGS
buf_ptr += bs_len;
if (frm_dec->nal_type == NAL_SEQ_HEADER) {
struct uavs3d_com_seqh_t *seqh = frm_dec->seqhdr;
if (UAVS3D_CHECK_INVALID_RANGE(seqh->frame_rate_code, 0, 15)) {
av_log(avctx, AV_LOG_ERROR, "Invalid frame rate code: %d.\n", seqh->frame_rate_code);
seqh->frame_rate_code = 3; // default 25 fps
} else {
avctx->framerate.num = ff_avs3_frame_rate_tab[seqh->frame_rate_code].num;
avctx->framerate.den = ff_avs3_frame_rate_tab[seqh->frame_rate_code].den;
}
avctx->has_b_frames = seqh->output_reorder_delay;
avctx->pix_fmt = seqh->bit_depth_internal == 8 ? AV_PIX_FMT_YUV420P : AV_PIX_FMT_YUV420P10LE;
ret = ff_set_dimensions(avctx, seqh->horizontal_size, seqh->vertical_size);
ret = libuavs3d_on_seq_header(avctx);
if (ret < 0)
return ret;
h->got_seqhdr = 1;
if (seqh->colour_description) {
if (UAVS3D_CHECK_INVALID_RANGE(seqh->colour_primaries, 0, 9) ||
UAVS3D_CHECK_INVALID_RANGE(seqh->transfer_characteristics, 0, 14) ||
UAVS3D_CHECK_INVALID_RANGE(seqh->matrix_coefficients, 0, 11)) {
av_log(avctx, AV_LOG_ERROR,
"Invalid colour description: primaries: %d"
"transfer characteristics: %d"
"matrix coefficients: %d.\n",
seqh->colour_primaries,
seqh->transfer_characteristics,
seqh->matrix_coefficients);
} else {
avctx->color_primaries = ff_avs3_color_primaries_tab[seqh->colour_primaries];
avctx->color_trc = ff_avs3_color_transfer_tab [seqh->transfer_characteristics];
avctx->colorspace = ff_avs3_color_matrix_tab [seqh->matrix_coefficients];
}
}
}
if (frm_dec->got_pic) {
break;