diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c index 4ae06b5ec1..d6a5be4378 100644 --- a/libavcodec/vp3.c +++ b/libavcodec/vp3.c @@ -43,95 +43,6 @@ #define FRAGMENT_PIXELS 8 -/* - * Debugging Variables - * - * Define one or more of the following compile-time variables to 1 to obtain - * elaborate information about certain aspects of the decoding process. - * - * DEBUG_VP3: high-level decoding flow - * DEBUG_INIT: initialization parameters - * DEBUG_DEQUANTIZERS: display how the dequanization tables are built - * DEBUG_BLOCK_CODING: unpacking the superblock/macroblock/fragment coding - * DEBUG_MODES: unpacking the coding modes for individual fragments - * DEBUG_VECTORS: display the motion vectors - * DEBUG_TOKEN: display exhaustive information about each DCT token - * DEBUG_VLC: display the VLCs as they are extracted from the stream - * DEBUG_DC_PRED: display the process of reversing DC prediction - * DEBUG_IDCT: show every detail of the IDCT process - */ - -#define DEBUG_VP3 0 -#define DEBUG_INIT 0 -#define DEBUG_DEQUANTIZERS 0 -#define DEBUG_BLOCK_CODING 0 -#define DEBUG_MODES 0 -#define DEBUG_VECTORS 0 -#define DEBUG_TOKEN 0 -#define DEBUG_VLC 0 -#define DEBUG_DC_PRED 0 -#define DEBUG_IDCT 0 - -#if DEBUG_VP3 -#define debug_vp3(args...) av_log(NULL, AV_LOG_DEBUG, ## args) -#else -static inline void debug_vp3(const char *format, ...) { } -#endif - -#if DEBUG_INIT -#define debug_init(args...) av_log(NULL, AV_LOG_DEBUG, ## args) -#else -static inline void debug_init(const char *format, ...) { } -#endif - -#if DEBUG_DEQUANTIZERS -#define debug_dequantizers(args...) av_log(NULL, AV_LOG_DEBUG, ## args) -#else -static inline void debug_dequantizers(const char *format, ...) { } -#endif - -#if DEBUG_BLOCK_CODING -#define debug_block_coding(args...) av_log(NULL, AV_LOG_DEBUG, ## args) -#else -static inline void debug_block_coding(const char *format, ...) { } -#endif - -#if DEBUG_MODES -#define debug_modes(args...) av_log(NULL, AV_LOG_DEBUG, ## args) -#else -static inline void debug_modes(const char *format, ...) { } -#endif - -#if DEBUG_VECTORS -#define debug_vectors(args...) av_log(NULL, AV_LOG_DEBUG, ## args) -#else -static inline void debug_vectors(const char *format, ...) { } -#endif - -#if DEBUG_TOKEN -#define debug_token(args...) av_log(NULL, AV_LOG_DEBUG, ## args) -#else -static inline void debug_token(const char *format, ...) { } -#endif - -#if DEBUG_VLC -#define debug_vlc(args...) av_log(NULL, AV_LOG_DEBUG, ## args) -#else -static inline void debug_vlc(const char *format, ...) { } -#endif - -#if DEBUG_DC_PRED -#define debug_dc_pred(args...) av_log(NULL, AV_LOG_DEBUG, ## args) -#else -static inline void debug_dc_pred(const char *format, ...) { } -#endif - -#if DEBUG_IDCT -#define debug_idct(args...) av_log(NULL, AV_LOG_DEBUG, ## args) -#else -static inline void debug_idct(const char *format, ...) { } -#endif - typedef struct Coeff { struct Coeff *next; DCTELEM coeff; @@ -373,8 +284,6 @@ static int init_block_mapping(Vp3DecodeContext *s) 0, 1, 0, -1 }; - debug_vp3(" vp3: initialize block mapping tables\n"); - hilbert_walk_mb[0] = 1; hilbert_walk_mb[1] = s->macroblock_width; hilbert_walk_mb[2] = 1; @@ -382,9 +291,6 @@ static int init_block_mapping(Vp3DecodeContext *s) /* iterate through each superblock (all planes) and map the fragments */ for (i = 0; i < s->superblock_count; i++) { - debug_init(" superblock %d (u starts @ %d, v starts @ %d)\n", - i, s->u_superblock_start, s->v_superblock_start); - /* time to re-assign the limits? */ if (i == 0) { @@ -446,14 +352,8 @@ static int init_block_mapping(Vp3DecodeContext *s) if ((current_width < right_edge) && (current_height < bottom_edge)) { s->superblock_fragments[mapping_index] = current_fragment; - debug_init(" mapping fragment %d to superblock %d, position %d (%d/%d x %d/%d)\n", - s->superblock_fragments[mapping_index], i, j, - current_width, right_edge, current_height, bottom_edge); } else { s->superblock_fragments[mapping_index] = -1; - debug_init(" superblock %d, position %d has no fragment (%d/%d x %d/%d)\n", - i, j, - current_width, right_edge, current_height, bottom_edge); } mapping_index++; @@ -492,14 +392,8 @@ static int init_block_mapping(Vp3DecodeContext *s) if ((current_width < right_edge) && (current_height < bottom_edge)) { s->superblock_macroblocks[mapping_index] = current_macroblock; - debug_init(" mapping macroblock %d to superblock %d, position %d (%d/%d x %d/%d)\n", - s->superblock_macroblocks[mapping_index], i, j, - current_width, right_edge, current_height, bottom_edge); } else { s->superblock_macroblocks[mapping_index] = -1; - debug_init(" superblock %d, position %d has no macroblock (%d/%d x %d/%d)\n", - i, j, - current_width, right_edge, current_height, bottom_edge); } mapping_index++; @@ -514,15 +408,12 @@ static int init_block_mapping(Vp3DecodeContext *s) for (j = 0; j < s->fragment_width; j += 2) { - debug_init(" macroblock %d contains fragments: ", current_macroblock); s->all_fragments[current_fragment].macroblock = current_macroblock; s->macroblock_fragments[mapping_index++] = current_fragment; - debug_init("%d ", current_fragment); if (j + 1 < s->fragment_width) { s->all_fragments[current_fragment + 1].macroblock = current_macroblock; s->macroblock_fragments[mapping_index++] = current_fragment + 1; - debug_init("%d ", current_fragment + 1); } else s->macroblock_fragments[mapping_index++] = -1; @@ -531,7 +422,6 @@ static int init_block_mapping(Vp3DecodeContext *s) current_macroblock; s->macroblock_fragments[mapping_index++] = current_fragment + s->fragment_width; - debug_init("%d ", current_fragment + s->fragment_width); } else s->macroblock_fragments[mapping_index++] = -1; @@ -540,7 +430,6 @@ static int init_block_mapping(Vp3DecodeContext *s) current_macroblock; s->macroblock_fragments[mapping_index++] = current_fragment + s->fragment_width + 1; - debug_init("%d ", current_fragment + s->fragment_width + 1); } else s->macroblock_fragments[mapping_index++] = -1; @@ -549,15 +438,11 @@ static int init_block_mapping(Vp3DecodeContext *s) (i * s->fragment_width / 4) + (j / 2); s->all_fragments[c_fragment].macroblock = s->macroblock_count; s->macroblock_fragments[mapping_index++] = c_fragment; - debug_init("%d ", c_fragment); c_fragment = s->fragment_start[2] + (i * s->fragment_width / 4) + (j / 2); s->all_fragments[c_fragment].macroblock = s->macroblock_count; s->macroblock_fragments[mapping_index++] = c_fragment; - debug_init("%d ", c_fragment); - - debug_init("\n"); if (j + 2 <= s->fragment_width) current_fragment += 2; @@ -602,8 +487,6 @@ static void init_dequantizer(Vp3DecodeContext *s) int dc_scale_factor = s->coded_dc_scale_factor[s->quality_index]; int i, plane, inter, qri, bmi, bmj, qistart; - debug_vp3(" vp3: initializing dequantization tables\n"); - for(inter=0; inter<2; inter++){ for(plane=0; plane<3; plane++){ int sum=0; @@ -670,11 +553,7 @@ static int unpack_superblocks(Vp3DecodeContext *s, GetBitContext *gb) int i, j; int current_fragment; - debug_vp3(" vp3: unpacking superblock coding\n"); - if (s->keyframe) { - - debug_vp3(" keyframe-- all superblocks are fully coded\n"); memset(s->superblock_coding, SB_FULLY_CODED, s->superblock_count); } else { @@ -691,10 +570,6 @@ static int unpack_superblocks(Vp3DecodeContext *s, GetBitContext *gb) s->superblock_run_length_vlc.table, 6, 2); if (current_run == 33) current_run += get_bits(gb, 12); - debug_block_coding(" setting superblocks %d..%d to %s\n", - current_superblock, - current_superblock + current_run - 1, - (bit) ? "partially coded" : "not coded"); /* if any of the superblocks are not partially coded, flag * a boolean to decode the list of fully-coded superblocks */ @@ -732,10 +607,6 @@ static int unpack_superblocks(Vp3DecodeContext *s, GetBitContext *gb) if (current_run == 33) current_run += get_bits(gb, 12); } - - debug_block_coding(" setting superblock %d to %s\n", - current_superblock, - (bit) ? "fully coded" : "not coded"); s->superblock_coding[current_superblock] = 2*bit; } current_superblock++; @@ -808,14 +679,10 @@ static int unpack_superblocks(Vp3DecodeContext *s, GetBitContext *gb) } s->coded_fragment_list_index++; s->macroblock_coding[s->all_fragments[current_fragment].macroblock] = MODE_INTER_NO_MV; - debug_block_coding(" superblock %d is partially coded, fragment %d is coded\n", - i, current_fragment); } else { /* not coded; copy this fragment from the prior frame */ s->all_fragments[current_fragment].coding_method = MODE_COPY; - debug_block_coding(" superblock %d is partially coded, fragment %d is not coded\n", - i, current_fragment); } } else { @@ -836,8 +703,6 @@ static int unpack_superblocks(Vp3DecodeContext *s, GetBitContext *gb) } s->coded_fragment_list_index++; s->macroblock_coding[s->all_fragments[current_fragment].macroblock] = MODE_INTER_NO_MV; - debug_block_coding(" superblock %d is fully coded, fragment %d is coded\n", - i, current_fragment); } } } @@ -850,13 +715,6 @@ static int unpack_superblocks(Vp3DecodeContext *s, GetBitContext *gb) /* end the list of coded C fragments */ s->last_coded_c_fragment = s->coded_fragment_list_index - 1; - debug_block_coding(" %d total coded fragments, y: %d -> %d, c: %d -> %d\n", - s->coded_fragment_list_index, - s->first_coded_y_fragment, - s->last_coded_y_fragment, - s->first_coded_c_fragment, - s->last_coded_c_fragment); - return 0; } @@ -873,11 +731,7 @@ static int unpack_modes(Vp3DecodeContext *s, GetBitContext *gb) int coding_mode; int custom_mode_alphabet[CODING_MODE_COUNT]; - debug_vp3(" vp3: unpacking encoding modes\n"); - if (s->keyframe) { - debug_vp3(" keyframe-- all blocks are coded as INTRA\n"); - for (i = 0; i < s->fragment_count; i++) s->all_fragments[i].coding_method = MODE_INTRA; @@ -885,24 +739,13 @@ static int unpack_modes(Vp3DecodeContext *s, GetBitContext *gb) /* fetch the mode coding scheme for this frame */ scheme = get_bits(gb, 3); - debug_modes(" using mode alphabet %d\n", scheme); /* is it a custom coding scheme? */ if (scheme == 0) { - debug_modes(" custom mode alphabet ahead:\n"); for (i = 0; i < 8; i++) custom_mode_alphabet[get_bits(gb, 3)] = i; } - for (i = 0; i < 8; i++) { - if(scheme) - debug_modes(" mode[%d][%d] = %d\n", scheme, i, - ModeAlphabet[scheme-1][i]); - else - debug_modes(" mode[0][%d] = %d\n", i, - custom_mode_alphabet[i]); - } - /* iterate through all of the macroblocks that contain 1 or more * coded fragments */ for (i = 0; i < s->u_superblock_start; i++) { @@ -944,9 +787,6 @@ static int unpack_modes(Vp3DecodeContext *s, GetBitContext *gb) s->all_fragments[current_fragment].coding_method = coding_mode; } - - debug_modes(" coding method for macroblock starting @ fragment %d = %d\n", - s->macroblock_fragments[current_macroblock * 6], coding_mode); } } } @@ -971,20 +811,13 @@ static int unpack_vectors(Vp3DecodeContext *s, GetBitContext *gb) int current_macroblock; int current_fragment; - debug_vp3(" vp3: unpacking motion vectors\n"); if (s->keyframe) { - - debug_vp3(" keyframe-- there are no motion vectors\n"); - } else { - memset(motion_x, 0, 6 * sizeof(int)); memset(motion_y, 0, 6 * sizeof(int)); /* coding mode 0 is the VLC scheme; 1 is the fixed code scheme */ coding_mode = get_bits1(gb); - debug_vectors(" using %s scheme for unpacking motion vectors\n", - (coding_mode == 0) ? "VLC" : "fixed-length"); /* iterate through all of the macroblocks that contain 1 or more * coded fragments */ @@ -1111,9 +944,6 @@ static int unpack_vectors(Vp3DecodeContext *s, GetBitContext *gb) } /* assign the motion vectors to the correct fragments */ - debug_vectors(" vectors for macroblock starting @ fragment %d (coding method %d):\n", - current_fragment, - s->macroblock_coding[current_macroblock]); for (k = 0; k < 6; k++) { current_fragment = s->macroblock_fragments[current_macroblock * 6 + k]; @@ -1126,8 +956,6 @@ static int unpack_vectors(Vp3DecodeContext *s, GetBitContext *gb) } s->all_fragments[current_fragment].motion_x = motion_x[k]; s->all_fragments[current_fragment].motion_y = motion_y[k]; - debug_vectors(" vector %d: fragment %d = (%d, %d)\n", - k, current_fragment, motion_x[k], motion_y[k]); } } } @@ -1179,7 +1007,6 @@ static int unpack_vlcs(Vp3DecodeContext *s, GetBitContext *gb, if (!eob_run) { /* decode a VLC into a token */ token = get_vlc2(gb, table->table, 5, 3); - debug_vlc(" token = %2d, ", token); /* use the token to get a zero run, a coefficient, and an eob run */ if (token <= 6) { eob_run = eob_run_base[token]; @@ -1208,12 +1035,8 @@ static int unpack_vlcs(Vp3DecodeContext *s, GetBitContext *gb, s->next_coeff->next=NULL; fragment->next_coeff= s->next_coeff++; } - debug_vlc(" fragment %d coeff = %d\n", - s->coded_fragment_list[i], fragment->next_coeff[coeff_index]); } else { s->coeff_counts[fragment_num] |= 128; - debug_vlc(" fragment %d eob with %d coefficients\n", - s->coded_fragment_list[i], s->coeff_counts[fragment_num]&127); eob_run--; } } @@ -1239,14 +1062,10 @@ static int unpack_dct_coeffs(Vp3DecodeContext *s, GetBitContext *gb) dc_c_table = get_bits(gb, 4); /* unpack the Y plane DC coefficients */ - debug_vp3(" vp3: unpacking Y plane DC coefficients using table %d\n", - dc_y_table); residual_eob_run = unpack_vlcs(s, gb, &s->dc_vlc[dc_y_table], 0, s->first_coded_y_fragment, s->last_coded_y_fragment, residual_eob_run); /* unpack the C plane DC coefficients */ - debug_vp3(" vp3: unpacking C plane DC coefficients using table %d\n", - dc_c_table); residual_eob_run = unpack_vlcs(s, gb, &s->dc_vlc[dc_c_table], 0, s->first_coded_c_fragment, s->last_coded_c_fragment, residual_eob_run); @@ -1256,56 +1075,36 @@ static int unpack_dct_coeffs(Vp3DecodeContext *s, GetBitContext *gb) /* unpack the group 1 AC coefficients (coeffs 1-5) */ for (i = 1; i <= 5; i++) { - - debug_vp3(" vp3: unpacking level %d Y plane AC coefficients using table %d\n", - i, ac_y_table); residual_eob_run = unpack_vlcs(s, gb, &s->ac_vlc_1[ac_y_table], i, s->first_coded_y_fragment, s->last_coded_y_fragment, residual_eob_run); - debug_vp3(" vp3: unpacking level %d C plane AC coefficients using table %d\n", - i, ac_c_table); residual_eob_run = unpack_vlcs(s, gb, &s->ac_vlc_1[ac_c_table], i, s->first_coded_c_fragment, s->last_coded_c_fragment, residual_eob_run); } /* unpack the group 2 AC coefficients (coeffs 6-14) */ for (i = 6; i <= 14; i++) { - - debug_vp3(" vp3: unpacking level %d Y plane AC coefficients using table %d\n", - i, ac_y_table); residual_eob_run = unpack_vlcs(s, gb, &s->ac_vlc_2[ac_y_table], i, s->first_coded_y_fragment, s->last_coded_y_fragment, residual_eob_run); - debug_vp3(" vp3: unpacking level %d C plane AC coefficients using table %d\n", - i, ac_c_table); residual_eob_run = unpack_vlcs(s, gb, &s->ac_vlc_2[ac_c_table], i, s->first_coded_c_fragment, s->last_coded_c_fragment, residual_eob_run); } /* unpack the group 3 AC coefficients (coeffs 15-27) */ for (i = 15; i <= 27; i++) { - - debug_vp3(" vp3: unpacking level %d Y plane AC coefficients using table %d\n", - i, ac_y_table); residual_eob_run = unpack_vlcs(s, gb, &s->ac_vlc_3[ac_y_table], i, s->first_coded_y_fragment, s->last_coded_y_fragment, residual_eob_run); - debug_vp3(" vp3: unpacking level %d C plane AC coefficients using table %d\n", - i, ac_c_table); residual_eob_run = unpack_vlcs(s, gb, &s->ac_vlc_3[ac_c_table], i, s->first_coded_c_fragment, s->last_coded_c_fragment, residual_eob_run); } /* unpack the group 4 AC coefficients (coeffs 28-63) */ for (i = 28; i <= 63; i++) { - - debug_vp3(" vp3: unpacking level %d Y plane AC coefficients using table %d\n", - i, ac_y_table); residual_eob_run = unpack_vlcs(s, gb, &s->ac_vlc_4[ac_y_table], i, s->first_coded_y_fragment, s->last_coded_y_fragment, residual_eob_run); - debug_vp3(" vp3: unpacking level %d C plane AC coefficients using table %d\n", - i, ac_c_table); residual_eob_run = unpack_vlcs(s, gb, &s->ac_vlc_4[ac_c_table], i, s->first_coded_c_fragment, s->last_coded_c_fragment, residual_eob_run); } @@ -1394,8 +1193,6 @@ static void reverse_dc_prediction(Vp3DecodeContext *s, int transform = 0; - debug_vp3(" vp3: reversing DC prediction\n"); - vul = vu = vur = vl = 0; last_dc[0] = last_dc[1] = last_dc[2] = 0; @@ -1410,8 +1207,6 @@ static void reverse_dc_prediction(Vp3DecodeContext *s, current_frame_type = compatible_frame[s->all_fragments[i].coding_method]; - debug_dc_pred(" frag %d: orig DC = %d, ", - i, DC_COEFF(i)); transform= 0; if(x){ @@ -1439,16 +1234,11 @@ static void reverse_dc_prediction(Vp3DecodeContext *s, } } - debug_dc_pred("transform = %d, ", transform); - if (transform == 0) { /* if there were no fragments to predict from, use last * DC saved */ predicted_dc = last_dc[current_frame_type]; - debug_dc_pred("from last DC (%d) = %d\n", - current_frame_type, DC_COEFF(i)); - } else { /* apply the appropriate predictor transform */ @@ -1471,7 +1261,6 @@ static void reverse_dc_prediction(Vp3DecodeContext *s, predicted_dc = vul; } - debug_dc_pred("from pred DC = %d\n", DC_COEFF(i)); } @@ -1621,10 +1410,6 @@ static void render_slice(Vp3DecodeContext *s, int slice) } /* dequantize the DCT coefficients */ - debug_idct("fragment %d, coding mode %d, DC = %d, dequant = %d:\n", - i, s->all_fragments[i].coding_method, - DC_COEFF(i), dequantizer[0]); - if(s->avctx->idct_algo==FF_IDCT_VP3){ Coeff *coeff= s->coeffs + i; memset(block, 0, sizeof(block)); @@ -1656,19 +1441,6 @@ static void render_slice(Vp3DecodeContext *s, int slice) stride, block); } - - debug_idct("block after idct_%s():\n", - (s->all_fragments[i].coding_method == MODE_INTRA)? - "put" : "add"); - for (m = 0; m < 8; m++) { - for (n = 0; n < 8; n++) { - debug_idct(" %3d", *(output_plane + - s->all_fragments[i].first_pixel + (m * stride + n))); - } - debug_idct("\n"); - } - debug_idct("\n"); - } else { /* copy directly from the previous frame */ @@ -1860,8 +1632,6 @@ static void vp3_calculate_pixel_addresses(Vp3DecodeContext *s) s->golden_frame.linesize[0] * y * FRAGMENT_PIXELS - s->golden_frame.linesize[0] + x * FRAGMENT_PIXELS; - debug_init(" fragment %d, first pixel @ %d\n", - i-1, s->all_fragments[i-1].first_pixel); } } @@ -1873,8 +1643,6 @@ static void vp3_calculate_pixel_addresses(Vp3DecodeContext *s) s->golden_frame.linesize[1] * y * FRAGMENT_PIXELS - s->golden_frame.linesize[1] + x * FRAGMENT_PIXELS; - debug_init(" fragment %d, first pixel @ %d\n", - i-1, s->all_fragments[i-1].first_pixel); } } @@ -1886,8 +1654,6 @@ static void vp3_calculate_pixel_addresses(Vp3DecodeContext *s) s->golden_frame.linesize[2] * y * FRAGMENT_PIXELS - s->golden_frame.linesize[2] + x * FRAGMENT_PIXELS; - debug_init(" fragment %d, first pixel @ %d\n", - i-1, s->all_fragments[i-1].first_pixel); } } } @@ -1907,8 +1673,6 @@ static void theora_calculate_pixel_addresses(Vp3DecodeContext *s) s->golden_frame.linesize[0] * y * FRAGMENT_PIXELS - s->golden_frame.linesize[0] + x * FRAGMENT_PIXELS; - debug_init(" fragment %d, first pixel @ %d\n", - i-1, s->all_fragments[i-1].first_pixel); } } @@ -1920,8 +1684,6 @@ static void theora_calculate_pixel_addresses(Vp3DecodeContext *s) s->golden_frame.linesize[1] * y * FRAGMENT_PIXELS - s->golden_frame.linesize[1] + x * FRAGMENT_PIXELS; - debug_init(" fragment %d, first pixel @ %d\n", - i-1, s->all_fragments[i-1].first_pixel); } } @@ -1933,8 +1695,6 @@ static void theora_calculate_pixel_addresses(Vp3DecodeContext *s) s->golden_frame.linesize[2] * y * FRAGMENT_PIXELS - s->golden_frame.linesize[2] + x * FRAGMENT_PIXELS; - debug_init(" fragment %d, first pixel @ %d\n", - i-1, s->all_fragments[i-1].first_pixel); } } } @@ -1998,23 +1758,6 @@ static av_cold int vp3_decode_init(AVCodecContext *avctx) s->fragment_start[1] = s->fragment_width * s->fragment_height; s->fragment_start[2] = s->fragment_width * s->fragment_height * 5 / 4; - debug_init(" Y plane: %d x %d\n", s->width, s->height); - debug_init(" C plane: %d x %d\n", c_width, c_height); - debug_init(" Y superblocks: %d x %d, %d total\n", - s->y_superblock_width, s->y_superblock_height, y_superblock_count); - debug_init(" C superblocks: %d x %d, %d total\n", - s->c_superblock_width, s->c_superblock_height, c_superblock_count); - debug_init(" total superblocks = %d, U starts @ %d, V starts @ %d\n", - s->superblock_count, s->u_superblock_start, s->v_superblock_start); - debug_init(" macroblocks: %d x %d, %d total\n", - s->macroblock_width, s->macroblock_height, s->macroblock_count); - debug_init(" %d fragments, %d x %d, u starts @ %d, v starts @ %d\n", - s->fragment_count, - s->fragment_width, - s->fragment_height, - s->fragment_start[1], - s->fragment_start[2]); - s->all_fragments = av_malloc(s->fragment_count * sizeof(Vp3Fragment)); s->coeff_counts = av_malloc(s->fragment_count * sizeof(*s->coeff_counts)); s->coeffs = av_malloc(s->fragment_count * sizeof(Coeff) * 65); @@ -2569,7 +2312,6 @@ static int theora_decode_init(AVCodecContext *avctx) init_get_bits(&gb, header_start[i], header_len[i]); ptype = get_bits(&gb, 8); - debug_vp3("Theora headerpacket type: %x\n", ptype); if (!(ptype & 0x80)) {