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hevc: split out setting AVCodecContext parameters 

Additionally always set the software pixel format, so it's available
even if ff_get_format() is not called later. This will be useful for
exporting stream parameters from init().
This commit is contained in:
Anton Khirnov 2015-03-29 14:09:51 +02:00
parent 7d097a0fc5
commit 1ae7afd256
1 changed files with 48 additions and 40 deletions
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88
libavcodec/hevc.c
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@ -383,24 +383,65 @@ static int decode_lt_rps(HEVCContext *s, LongTermRPS *rps, GetBitContext *gb)
return 0;
}
static void export_stream_params(AVCodecContext *avctx,
const HEVCContext *s, const HEVCSPS *sps)
{
const HEVCVPS *vps = (const HEVCVPS*)s->vps_list[sps->vps_id]->data;
unsigned int num = 0, den = 0;
avctx->pix_fmt = sps->pix_fmt;
avctx->coded_width = sps->width;
avctx->coded_height = sps->height;
avctx->width = sps->output_width;
avctx->height = sps->output_height;
avctx->has_b_frames = sps->temporal_layer[sps->max_sub_layers - 1].num_reorder_pics;
avctx->profile = sps->ptl.general_ptl.profile_idc;
avctx->level = sps->ptl.general_ptl.level_idc;
ff_set_sar(avctx, sps->vui.sar);
if (sps->vui.video_signal_type_present_flag)
avctx->color_range = sps->vui.video_full_range_flag ? AVCOL_RANGE_JPEG
: AVCOL_RANGE_MPEG;
else
avctx->color_range = AVCOL_RANGE_MPEG;
if (sps->vui.colour_description_present_flag) {
avctx->color_primaries = sps->vui.colour_primaries;
avctx->color_trc = sps->vui.transfer_characteristic;
avctx->colorspace = sps->vui.matrix_coeffs;
} else {
avctx->color_primaries = AVCOL_PRI_UNSPECIFIED;
avctx->color_trc = AVCOL_TRC_UNSPECIFIED;
avctx->colorspace = AVCOL_SPC_UNSPECIFIED;
}
if (vps->vps_timing_info_present_flag) {
num = vps->vps_num_units_in_tick;
den = vps->vps_time_scale;
} else if (sps->vui.vui_timing_info_present_flag) {
num = sps->vui.vui_num_units_in_tick;
den = sps->vui.vui_time_scale;
}
if (num != 0 && den != 0)
av_reduce(&avctx->framerate.den, &avctx->framerate.num,
num, den, 1 << 30);
}
static int set_sps(HEVCContext *s, const HEVCSPS *sps)
{
#define HWACCEL_MAX (CONFIG_HEVC_DXVA2_HWACCEL)
enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmt = pix_fmts;
int ret;
unsigned int num = 0, den = 0;
export_stream_params(s->avctx, s, sps);
pic_arrays_free(s);
ret = pic_arrays_init(s, sps);
if (ret < 0)
goto fail;
s->avctx->coded_width = sps->width;
s->avctx->coded_height = sps->height;
s->avctx->width = sps->output_width;
s->avctx->height = sps->output_height;
s->avctx->has_b_frames = sps->temporal_layer[sps->max_sub_layers - 1].num_reorder_pics;
if (sps->pix_fmt == AV_PIX_FMT_YUV420P || sps->pix_fmt == AV_PIX_FMT_YUVJ420P) {
#if CONFIG_HEVC_DXVA2_HWACCEL
*fmt++ = AV_PIX_FMT_DXVA2_VLD;
@ -415,24 +456,6 @@ static int set_sps(HEVCContext *s, const HEVCSPS *sps)
goto fail;
s->avctx->pix_fmt = ret;
ff_set_sar(s->avctx, sps->vui.sar);
if (sps->vui.video_signal_type_present_flag)
s->avctx->color_range = sps->vui.video_full_range_flag ? AVCOL_RANGE_JPEG
: AVCOL_RANGE_MPEG;
else
s->avctx->color_range = AVCOL_RANGE_MPEG;
if (sps->vui.colour_description_present_flag) {
s->avctx->color_primaries = sps->vui.colour_primaries;
s->avctx->color_trc = sps->vui.transfer_characteristic;
s->avctx->colorspace = sps->vui.matrix_coeffs;
} else {
s->avctx->color_primaries = AVCOL_PRI_UNSPECIFIED;
s->avctx->color_trc = AVCOL_TRC_UNSPECIFIED;
s->avctx->colorspace = AVCOL_SPC_UNSPECIFIED;
}
ff_hevc_pred_init(&s->hpc, sps->bit_depth);
ff_hevc_dsp_init (&s->hevcdsp, sps->bit_depth);
ff_videodsp_init (&s->vdsp, sps->bit_depth);
@ -448,18 +471,6 @@ static int set_sps(HEVCContext *s, const HEVCSPS *sps)
s->sps = sps;
s->vps = (HEVCVPS*) s->vps_list[s->sps->vps_id]->data;
if (s->vps->vps_timing_info_present_flag) {
num = s->vps->vps_num_units_in_tick;
den = s->vps->vps_time_scale;
} else if (sps->vui.vui_timing_info_present_flag) {
num = sps->vui.vui_num_units_in_tick;
den = sps->vui.vui_time_scale;
}
if (num != 0 && den != 0)
av_reduce(&s->avctx->framerate.den, &s->avctx->framerate.num,
num, den, 1 << 30);
return 0;
fail:
@ -509,9 +520,6 @@ static int hls_slice_header(HEVCContext *s)
s->max_ra = INT_MAX;
}
s->avctx->profile = s->sps->ptl.general_ptl.profile_idc;
s->avctx->level = s->sps->ptl.general_ptl.level_idc;
sh->dependent_slice_segment_flag = 0;
if (!sh->first_slice_in_pic_flag) {
int slice_address_length;