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aacdec: Reconfigure output as needed, disable pop_output_configuration()
Fixes Ticket1694 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -328,6 +328,11 @@ struct AACContext {
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};
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int ff_aac_output_configure(AACContext *ac,
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uint8_t layout_map[MAX_ELEM_ID*4][3], int tags,
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enum OCStatus oc_type, int get_new_frame);
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void ff_aacdec_init_mips(AACContext *c);
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#endif /* AVCODEC_AAC_H */
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@ -114,10 +114,6 @@
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static VLC vlc_scalefactors;
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static VLC vlc_spectral[11];
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static int output_configure(AACContext *ac,
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uint8_t layout_map[MAX_ELEM_ID*4][3], int tags,
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enum OCStatus oc_type, int get_new_frame);
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#define overread_err "Input buffer exhausted before END element found\n"
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static int count_channels(uint8_t (*layout)[3], int tags)
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@ -407,11 +403,12 @@ static void push_output_configuration(AACContext *ac) {
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* configuration is unlocked.
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*/
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static void pop_output_configuration(AACContext *ac) {
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return;
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if (ac->oc[1].status != OC_LOCKED && ac->oc[0].status != OC_NONE) {
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ac->oc[1] = ac->oc[0];
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ac->avctx->channels = ac->oc[1].channels;
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ac->avctx->channel_layout = ac->oc[1].channel_layout;
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output_configure(ac, ac->oc[1].layout_map, ac->oc[1].layout_map_tags,
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ff_aac_output_configure(ac, ac->oc[1].layout_map, ac->oc[1].layout_map_tags,
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ac->oc[1].status, 0);
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}
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}
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@ -421,7 +418,7 @@ static void pop_output_configuration(AACContext *ac) {
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*
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* @return Returns error status. 0 - OK, !0 - error
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*/
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static int output_configure(AACContext *ac,
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int ff_aac_output_configure(AACContext *ac,
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uint8_t layout_map[MAX_ELEM_ID*4][3], int tags,
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enum OCStatus oc_type, int get_new_frame)
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{
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@ -525,7 +522,7 @@ static ChannelElement *get_che(AACContext *ac, int type, int elem_id)
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if (set_default_channel_config(ac->avctx, layout_map, &layout_map_tags,
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2) < 0)
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return NULL;
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if (output_configure(ac, layout_map, layout_map_tags,
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if (ff_aac_output_configure(ac, layout_map, layout_map_tags,
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OC_TRIAL_FRAME, 1) < 0)
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return NULL;
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@ -543,7 +540,7 @@ static ChannelElement *get_che(AACContext *ac, int type, int elem_id)
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if (set_default_channel_config(ac->avctx, layout_map, &layout_map_tags,
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1) < 0)
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return NULL;
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if (output_configure(ac, layout_map, layout_map_tags,
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if (ff_aac_output_configure(ac, layout_map, layout_map_tags,
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OC_TRIAL_FRAME, 1) < 0)
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return NULL;
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@ -737,7 +734,7 @@ static int decode_ga_specific_config(AACContext *ac, AVCodecContext *avctx,
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} else if (m4ac->sbr == 1 && m4ac->ps == -1)
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m4ac->ps = 1;
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if (ac && (ret = output_configure(ac, layout_map, tags, OC_GLOBAL_HDR, 0)))
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if (ac && (ret = ff_aac_output_configure(ac, layout_map, tags, OC_GLOBAL_HDR, 0)))
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return ret;
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if (extension_flag) {
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@ -920,7 +917,7 @@ static av_cold int aac_decode_init(AVCodecContext *avctx)
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int ret = set_default_channel_config(avctx, layout_map,
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&layout_map_tags, ac->oc[1].m4ac.chan_config);
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if (!ret)
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output_configure(ac, layout_map, layout_map_tags,
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ff_aac_output_configure(ac, layout_map, layout_map_tags,
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OC_GLOBAL_HDR, 0);
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else if (avctx->err_recognition & AV_EF_EXPLODE)
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return AVERROR_INVALIDDATA;
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@ -2035,21 +2032,13 @@ static int decode_extension_payload(AACContext *ac, GetBitContext *gb, int cnt,
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if (!che) {
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av_log(ac->avctx, AV_LOG_ERROR, "SBR was found before the first channel element.\n");
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return res;
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} else if (!ac->oc[1].m4ac.sbr) {
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av_log(ac->avctx, AV_LOG_ERROR, "SBR signaled to be not-present but was found in the bitstream.\n");
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skip_bits_long(gb, 8 * cnt - 4);
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return res;
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} else if (ac->oc[1].m4ac.sbr == -1 && ac->oc[1].status == OC_LOCKED) {
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av_log(ac->avctx, AV_LOG_ERROR, "Implicit SBR was found with a first occurrence after the first frame.\n");
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skip_bits_long(gb, 8 * cnt - 4);
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return res;
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} else if (ac->oc[1].m4ac.ps == -1 && ac->oc[1].status < OC_LOCKED && ac->avctx->channels == 1) {
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} else if (ac->oc[1].m4ac.sbr != 1) {
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av_log(ac->avctx, AV_LOG_DEBUG, "SBR was found in the bitstream.\n");
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ac->oc[1].m4ac.sbr = 1;
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ac->oc[1].m4ac.ps = 1;
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output_configure(ac, ac->oc[1].layout_map, ac->oc[1].layout_map_tags,
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if (ac->oc[1].m4ac.ps == -1 && ac->avctx->channels == 1)
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ac->oc[1].m4ac.ps = 1;
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ff_aac_output_configure(ac, ac->oc[1].layout_map, ac->oc[1].layout_map_tags,
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ac->oc[1].status, 1);
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} else {
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ac->oc[1].m4ac.sbr = 1;
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}
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res = ff_decode_sbr_extension(ac, &che->sbr, gb, crc_flag, cnt, elem_type);
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break;
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@ -2440,7 +2429,7 @@ static int parse_adts_frame_header(AACContext *ac, GetBitContext *gb)
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if (set_default_channel_config(ac->avctx, layout_map,
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&layout_map_tags, hdr_info.chan_config))
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return -7;
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if (output_configure(ac, layout_map, layout_map_tags,
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if (ff_aac_output_configure(ac, layout_map, layout_map_tags,
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FFMAX(ac->oc[1].status, OC_TRIAL_FRAME), 0))
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return -7;
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} else {
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@ -2456,7 +2445,7 @@ static int parse_adts_frame_header(AACContext *ac, GetBitContext *gb)
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layout_map[0][2] = layout_map[1][2] = AAC_CHANNEL_FRONT;
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layout_map[0][1] = 0;
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layout_map[1][1] = 1;
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if (output_configure(ac, layout_map, layout_map_tags,
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if (ff_aac_output_configure(ac, layout_map, layout_map_tags,
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OC_TRIAL_FRAME, 0))
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return -7;
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}
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@ -2560,7 +2549,7 @@ static int aac_decode_frame_int(AVCodecContext *avctx, void *data,
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av_log(avctx, AV_LOG_ERROR,
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"Not evaluating a further program_config_element as this construct is dubious at best.\n");
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} else {
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err = output_configure(ac, layout_map, tags, OC_TRIAL_PCE, 1);
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err = ff_aac_output_configure(ac, layout_map, tags, OC_TRIAL_PCE, 1);
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if (!err)
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ac->oc[1].m4ac.chan_config = 0;
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pce_found = 1;
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@ -925,11 +925,13 @@ static void read_sbr_extension(AACContext *ac, SpectralBandReplication *sbr,
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{
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switch (bs_extension_id) {
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case EXTENSION_ID_PS:
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if (!ac->oc[1].m4ac.ps) {
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av_log(ac->avctx, AV_LOG_ERROR, "Parametric Stereo signaled to be not-present but was found in the bitstream.\n");
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skip_bits_long(gb, *num_bits_left); // bs_fill_bits
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*num_bits_left = 0;
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} else {
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if (ac->oc[1].m4ac.ps != 1) {
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av_log(ac->avctx, AV_LOG_DEBUG, "Parametric Stereo was found in the bitstream.\n");
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ac->oc[1].m4ac.ps = 1;
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ff_aac_output_configure(ac, ac->oc[1].layout_map, ac->oc[1].layout_map_tags,
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ac->oc[1].status, 1);
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}
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av_assert0(ac->oc[1].m4ac.ps);
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#if 1
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*num_bits_left -= ff_ps_read_data(ac->avctx, gb, &sbr->ps, *num_bits_left);
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#else
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@ -937,7 +939,6 @@ static void read_sbr_extension(AACContext *ac, SpectralBandReplication *sbr,
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skip_bits_long(gb, *num_bits_left); // bs_fill_bits
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*num_bits_left = 0;
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#endif
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}
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break;
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default:
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// some files contain 0-padding
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