static int prepare_video_decoding( lsmash_handler_t *h, video_option_t *opt )
{
avs_handler_t *hp = (avs_handler_t *)h->video_private;
h->video_sample_count = hp->vi->num_frames;
h->framerate_num = hp->vi->fps_numerator;
h->framerate_den = hp->vi->fps_denominator;
/* Set up video rendering. */
int input_width = hp->vi->width;
enum AVPixelFormat input_pixel_format = as_to_av_input_pixel_format( hp->vi->pixel_type, opt->avs.bit_depth, &input_width );
return au_setup_video_rendering( &hp->voh, opt, &h->video_format, input_width, hp->vi->height, input_pixel_format );
}
static int prepare_video_decoding
(
lsmash_handler_t *h,
video_option_t *opt
)
{
vpy_handler_t *hp = (vpy_handler_t *)h->video_private;
h->video_sample_count = hp->vi->numFrames;
h->framerate_num = hp->vi->fpsNum;
h->framerate_den = hp->vi->fpsDen;
/* Set up the initial input format. */
hp->ctx->width = hp->vi->width;
hp->ctx->height = hp->vi->height;
hp->ctx->pix_fmt = vs_to_av_input_pixel_format( hp->vi->format->id );
hp->ctx->color_range = AVCOL_RANGE_UNSPECIFIED;
hp->ctx->colorspace = AVCOL_SPC_UNSPECIFIED;
/* Set up video rendering. */
if( !au_setup_video_rendering( &hp->voh, hp->ctx, opt, &h->video_format, hp->vi->width, hp->vi->height ) )
return -1;
return 0;
}
static int prepare_video_decoding( lsmash_handler_t *h, video_option_t *opt )
{
libav_handler_t *hp = (libav_handler_t *)h->video_private;
lwlibav_video_decode_handler_t *vdhp = &hp->vdh;
if( !vdhp->ctx )
return 0;
vdhp->seek_mode = opt->seek_mode;
vdhp->forward_seek_threshold = opt->forward_seek_threshold;
lwlibav_video_output_handler_t *vohp = &hp->voh;
h->video_sample_count = vohp->frame_count;
/* Import AVIndexEntrys. */
if( lwlibav_import_av_index_entry( (lwlibav_decode_handler_t *)vdhp ) < 0 )
return -1;
/* Set up timestamp info. */
hp->uType = MB_OK;
lwlibav_setup_timestamp_info( &hp->lwh, vdhp, vohp, &h->framerate_num, &h->framerate_den );
hp->uType = MB_ICONERROR | MB_OK;
/* Set up the initial input format. */
vdhp->ctx->width = vdhp->initial_width;
vdhp->ctx->height = vdhp->initial_height;
vdhp->ctx->pix_fmt = vdhp->initial_pix_fmt;
vdhp->ctx->colorspace = vdhp->initial_colorspace;
/* Set up video rendering. */
vdhp->exh.get_buffer = au_setup_video_rendering( vohp, vdhp->ctx, opt, &h->video_format, vdhp->max_width, vdhp->max_height );
if( !vdhp->exh.get_buffer )
return -1;
#ifndef DEBUG_VIDEO
vdhp->lh.level = LW_LOG_FATAL;
#endif
/* Find the first valid video frame. */
if( lwlibav_find_first_valid_video_frame( vdhp ) < 0 )
return -1;
/* Force seeking at the first reading. */
vdhp->last_frame_number = h->video_sample_count + 1;
return 0;
}
