int i_delta_pic_order_cnt1;
} slice_t;
+#define SPS_MAX (32)
+#define PPS_MAX (256)
struct decoder_sys_t
{
block_bytestream_t bytestream;
size_t i_offset;
uint8_t startcode[4];
- bool b_slice;
- block_t *p_frame;
+ bool b_slice;
+ block_t *p_frame;
+ bool b_header;
bool b_sps;
bool b_pps;
- bool b_header;
+ block_t *pp_sps[SPS_MAX];
+ block_t *pp_pps[PPS_MAX];
/* avcC data */
int i_avcC_length_size;
- block_t *p_sps;
- block_t *p_pps;
/* Useful values of the Sequence Parameter Set */
int i_log2_max_frame_num;
static block_t *ParseNALBlock( decoder_t *, block_t * );
-static block_t *CreateAnnexbNAL( decoder_t *, uint8_t *p, int );
+static block_t *CreateAnnexbNAL( decoder_t *, const uint8_t *p, int );
static block_t *OutputPicture( decoder_t *p_dec );
static void PutSPS( decoder_t *p_dec, block_t *p_frag );
{
decoder_t *p_dec = (decoder_t*)p_this;
decoder_sys_t *p_sys;
+ int i;
if( p_dec->fmt_in.i_codec != VLC_FOURCC( 'h', '2', '6', '4') &&
p_dec->fmt_in.i_codec != VLC_FOURCC( 'H', '2', '6', '4') &&
p_sys->bytestream = block_BytestreamInit();
p_sys->b_slice = false;
p_sys->p_frame = NULL;
+ p_sys->b_header= false;
p_sys->b_sps = false;
p_sys->b_pps = false;
- p_sys->p_sps = 0;
- p_sys->p_pps = 0;
- p_sys->b_header= false;
+ for( i = 0; i < SPS_MAX; i++ )
+ p_sys->pp_sps[i] = NULL;
+ for( i = 0; i < PPS_MAX; i++ )
+ p_sys->pp_pps[i] = NULL;
p_sys->slice.i_nal_type = -1;
p_sys->slice.i_nal_ref_idc = -1;
msg_Dbg( p_dec, "avcC length size=%d, sps=%d, pps=%d",
p_sys->i_avcC_length_size, i_sps, i_pps );
- if( !p_sys->p_sps || p_sys->p_pps )
+ if( !p_sys->b_sps || !p_sys->b_pps )
return VLC_EGENERIC;
/* FIXME: FFMPEG isn't happy at all if you leave this */
- if( p_dec->fmt_out.i_extra > 0 ) free( p_dec->fmt_out.p_extra );
+ if( p_dec->fmt_out.i_extra > 0 )
+ free( p_dec->fmt_out.p_extra );
p_dec->fmt_out.i_extra = 0;
p_dec->fmt_out.p_extra = NULL;
/* Set the new extradata */
- p_dec->fmt_out.i_extra = p_sys->p_pps->i_buffer + p_sys->p_sps->i_buffer;
+ for( i = 0; i < SPS_MAX; i++ )
+ {
+ if( p_sys->pp_sps[i] )
+ p_dec->fmt_out.i_extra += p_sys->pp_sps[i]->i_buffer;
+ }
+ for( i = 0; i < PPS_MAX; i++ )
+ {
+ if( p_sys->pp_pps[i] )
+ p_dec->fmt_out.i_extra += p_sys->pp_pps[i]->i_buffer;
+ }
p_dec->fmt_out.p_extra = malloc( p_dec->fmt_out.i_extra );
if( p_dec->fmt_out.p_extra )
{
- memcpy( (uint8_t*)p_dec->fmt_out.p_extra,
- p_sys->p_sps->p_buffer, p_sys->p_sps->i_buffer);
- memcpy( (uint8_t*)p_dec->fmt_out.p_extra+p_sys->p_sps->i_buffer,
- p_sys->p_pps->p_buffer, p_sys->p_pps->i_buffer);
+ uint8_t *p_dst = p_dec->fmt_out.p_extra;
+
+ for( i = 0; i < SPS_MAX; i++ )
+ {
+ if( p_sys->pp_sps[i] )
+ {
+ memcpy( p_dst, p_sys->pp_sps[i]->p_buffer, p_sys->pp_sps[i]->i_buffer );
+ p_dst += p_sys->pp_sps[i]->i_buffer;
+ }
+ }
+ for( i = 0; i < PPS_MAX; i++ )
+ {
+ if( p_sys->pp_pps[i] )
+ {
+ memcpy( p_dst, p_sys->pp_pps[i]->p_buffer, p_sys->pp_pps[i]->i_buffer );
+ p_dst += p_sys->pp_pps[i]->i_buffer;
+ }
+ }
p_sys->b_header = true;
}
- else p_dec->fmt_out.i_extra = 0;
+ else
+ {
+ p_dec->fmt_out.i_extra = 0;
+ }
/* Set callback */
p_dec->pf_packetize = PacketizeAVC1;
{
decoder_t *p_dec = (decoder_t*)p_this;
decoder_sys_t *p_sys = p_dec->p_sys;
+ int i;
if( p_sys->p_frame ) block_ChainRelease( p_sys->p_frame );
- if( p_sys->p_sps ) block_Release( p_sys->p_sps );
- if( p_sys->p_pps ) block_Release( p_sys->p_pps );
+ for( i = 0; i < SPS_MAX; i++ )
+ {
+ if( p_sys->pp_sps[i] )
+ block_Release( p_sys->pp_sps[i] );
+ }
+ for( i = 0; i < PPS_MAX; i++ )
+ {
+ if( p_sys->pp_pps[i] )
+ block_Release( p_sys->pp_pps[i] );
+ }
block_BytestreamRelease( &p_sys->bytestream );
free( p_sys );
}
/****************************************************************************
* Helpers
****************************************************************************/
-static block_t *CreateAnnexbNAL( decoder_t *p_dec, uint8_t *p, int i_size )
+static block_t *CreateAnnexbNAL( decoder_t *p_dec, const uint8_t *p, int i_size )
{
block_t *p_nal;
}
static void CreateDecodedNAL( uint8_t **pp_ret, int *pi_ret,
- uint8_t *src, int i_src )
+ const uint8_t *src, int i_src )
{
- uint8_t *end = &src[i_src];
+ const uint8_t *end = &src[i_src];
uint8_t *dst = malloc( i_src );
*pp_ret = dst;
{
if( p_sys->b_slice )
p_pic = OutputPicture( p_dec );
+
+ /* TODO parse SEI for CC support */
}
/* Append the block */
if( !p_sys->b_header && p_sys->slice.i_frame_type != BLOCK_FLAG_TYPE_I)
return NULL;
- if( p_sys->slice.i_frame_type == BLOCK_FLAG_TYPE_I && p_sys->p_sps && p_sys->p_pps )
+ if( p_sys->slice.i_frame_type == BLOCK_FLAG_TYPE_I && p_sys->b_sps && p_sys->b_pps )
{
- block_t *p_sps = block_Duplicate( p_sys->p_sps );
- block_t *p_pps = block_Duplicate( p_sys->p_pps );
- p_sps->i_dts = p_sys->p_frame->i_dts;
- p_sps->i_pts = p_sys->p_frame->i_pts;
- block_ChainAppend( &p_sps, p_pps );
- block_ChainAppend( &p_sps, p_sys->p_frame );
- p_sys->b_header = true;
- p_pic = block_ChainGather( p_sps );
+ block_t *p_list = NULL;
+ int i;
+
+ for( i = 0; i < SPS_MAX; i++ )
+ {
+ if( p_sys->pp_sps[i] )
+ block_ChainAppend( &p_list, block_Duplicate( p_sys->pp_sps[i] ) );
+ }
+ for( i = 0; i < PPS_MAX; i++ )
+ {
+ if( p_sys->pp_pps[i] )
+ block_ChainAppend( &p_list, block_Duplicate( p_sys->pp_pps[i] ) );
+ }
+ if( p_list )
+ {
+ p_list->i_dts = p_sys->p_frame->i_dts;
+ p_list->i_pts = p_sys->p_frame->i_pts;
+ p_sys->b_header = true;
+ }
+ block_ChainAppend( &p_list, p_sys->p_frame );
+ p_pic = block_ChainGather( p_list );
}
else
{
{
decoder_sys_t *p_sys = p_dec->p_sys;
- uint8_t *dec = NULL;
+ uint8_t *pb_dec = NULL;
int i_dec = 0;
bs_t s;
int i_tmp;
+ int i_sps_id;
- if( !p_sys->b_sps )
- msg_Dbg( p_dec, "found NAL_SPS" );
-
- p_sys->b_sps = true;
-
- CreateDecodedNAL( &dec, &i_dec, &p_frag->p_buffer[5],
+ CreateDecodedNAL( &pb_dec, &i_dec, &p_frag->p_buffer[5],
p_frag->i_buffer - 5 );
- bs_init( &s, dec, i_dec );
+ bs_init( &s, pb_dec, i_dec );
/* Skip profile(8), constraint_set012, reserver(5), level(8) */
bs_skip( &s, 8 + 1+1+1 + 5 + 8 );
/* sps id */
- bs_read_ue( &s );
+ i_sps_id = bs_read_ue( &s );
+ if( i_sps_id >= SPS_MAX )
+ {
+ msg_Warn( p_dec, "invalid SPS (sps_id=%d)", i_sps_id );
+ free( pb_dec );
+ block_Release( p_frag );
+ return;
+ }
+
/* Skip i_log2_max_frame_num */
p_sys->i_log2_max_frame_num = bs_read_ue( &s );
if( p_sys->i_log2_max_frame_num > 12)
i_tmp = bs_read( &s, 1 );
if( i_tmp )
{
- static const struct { int w, h; } sar[14] =
+ static const struct { int w, h; } sar[17] =
{
{ 0, 0 }, { 1, 1 }, { 12, 11 }, { 10, 11 },
{ 16, 11 }, { 40, 33 }, { 24, 11 }, { 20, 11 },
{ 32, 11 }, { 80, 33 }, { 18, 11 }, { 15, 11 },
- { 64, 33 }, { 160,99 },
+ { 64, 33 }, { 160,99 }, { 4, 3 }, { 3, 2 },
+ { 2, 1 },
};
int i_sar = bs_read( &s, 8 );
int w, h;
- if( i_sar < 14 )
+ if( i_sar < 17 )
{
w = sar[i_sar].w;
h = sar[i_sar].h;
}
- else
+ else if( i_sar == 255 )
{
w = bs_read( &s, 16 );
h = bs_read( &s, 16 );
}
+ else
+ {
+ w = 0;
+ h = 0;
+ }
if( h != 0 )
p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR * w /
h * p_dec->fmt_out.video.i_width /
}
}
- free( dec );
+ free( pb_dec );
/* We have a new SPS */
- if( p_sys->p_sps )
- block_Release( p_sys->p_sps );
- p_sys->p_sps = p_frag;
+ if( !p_sys->b_sps )
+ msg_Dbg( p_dec, "found NAL_SPS (sps_id=%d)", i_sps_id );
+ p_sys->b_sps = true;
+
+ if( p_sys->pp_sps[i_sps_id] )
+ block_Release( p_sys->pp_sps[i_sps_id] );
+ p_sys->pp_sps[i_sps_id] = p_frag;
}
static void PutPPS( decoder_t *p_dec, block_t *p_frag )
{
decoder_sys_t *p_sys = p_dec->p_sys;
bs_t s;
+ int i_pps_id;
+ int i_sps_id;
bs_init( &s, &p_frag->p_buffer[5], p_frag->i_buffer - 5 );
- bs_read_ue( &s ); // pps id
- bs_read_ue( &s ); // sps id
+ i_pps_id = bs_read_ue( &s ); // pps id
+ i_sps_id = bs_read_ue( &s ); // sps id
+ if( i_pps_id >= PPS_MAX || i_sps_id >= SPS_MAX )
+ {
+ msg_Warn( p_dec, "invalid PPS (pps_id=%d sps_id=%d)", i_pps_id, i_sps_id );
+ block_Release( p_frag );
+ return;
+ }
bs_skip( &s, 1 ); // entropy coding mode flag
p_sys->i_pic_order_present_flag = bs_read( &s, 1 );
+ /* TODO */
+ /* We have a new PPS */
if( !p_sys->b_pps )
- msg_Dbg( p_dec, "found NAL_PPS" );
+ msg_Dbg( p_dec, "found NAL_PPS (pps_id=%d sps_id=%d)", i_pps_id, i_sps_id );
p_sys->b_pps = true;
- /* TODO */
-
- /* We have a new PPS */
- if( p_sys->p_pps )
- block_Release( p_sys->p_pps );
- p_sys->p_pps = p_frag;
+ if( p_sys->pp_pps[i_pps_id] )
+ block_Release( p_sys->pp_pps[i_pps_id] );
+ p_sys->pp_pps[i_pps_id] = p_frag;
}
static void ParseSlice( decoder_t *p_dec, bool *pb_new_picture, slice_t *p_slice,
projects / vlc / blobdiff